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Dissertations / Theses on the topic 'Senior healthcare'
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1
Bouffard, Stacey Renee. "Senior Perspectives on Healthcare: A PhotoVoice© Project." Thesis, The University of Arizona, 2015. http://hdl.handle.net/10150/579245.
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Six seniors (ages 70-79) participated in a six-week focus group to identify healthcare issues relevant to older adults in Arizona. The PhotoVoice© methodology was used to organize discussion around participants' own photographic documentation of experiences with healthcare systems. The overarching concern for participants was that of healthcare systems navigation. Five domains of concern related to Healthcare Navigation were identified and documented by participants through photographic process; Access, Getting Information, Relationships with Healthcare Providers, Managing Medication and Lifestyle. All participants expressed dissatisfaction with some aspects of their healthcare. Participants identified personal resources and high levels of self-efficacy in areas of recording one's own medical information and staying healthy through lifestyle choices, such as diet, exercise and positive outlook on life. The group in collaboration with the facilitator developed a PREZI© and presented their ideas at the 2015 Conference on Successful Aging in Tucson, Arizona.
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McDonald, Carmen. "The Relationship between Senior Healthcare Executives' Emotional Intelligence and Employee Satisfaction." ScholarWorks, 2015. http://scholarworks.waldenu.edu/dissertations/1701.
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The healthcare industry evolved on March 23, 2010, when the Affordable Care Act
(ACA) was signed into law. The general problem prompting the need for this study was
that healthcare workers are affected by patient and family anxiety, evolving evidencebased
practices and treatments, and regulatory complexities. Outdated managerial skills
with leaders lacking emotional intelligence may produce employee dissatisfaction, and
satisfied workers may influence the quality of care and patient satisfaction. The purpose
of this study was to examine the relationship between senior healthcare leaders' EI and
employee satisfaction. EI theory was the conceptual foundation for this research. This
quantitative study used a survey to collect EI scores from 25 senior healthcare executives
using the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT) and employee
satisfaction scores from the Press Ganey Employee Voice Solution Survey collected by
their organizations. Data were analysed using Pearson correlations, independent sample
t tests, and ANOVAs to test the variables of EI and employee satisfaction. Assumptions
of the t test and ANOVA were met to ensure the sample size was sufficient. The results
of the Pearson correlation indicated that employee satisfaction percentile and score were
not related to EI within the sample. No differences were found in EI by age, gender,
years of experience, or educational level. The changes in healthcare require focusing on
social change as it relates to service behaviors by all individuals who have any impact on
the patient-care experience.
3
Borucka, Kamila. "Suburban Senior Living : Future Environments with Focus on Ageing." Thesis, KTH, Arkitektur, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-223239.
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Stockholm is growing very fast and many new housing investments are under construction outside of the city center. Suburbs are getting densifed and readjusted to modern needs as this is where many of us live today and be living in the future. At the same time our society is aging. Sweden today has 1,6 million inhabitants over 64 years old. This number is expected to raise up to 2,7 million in 2060, which means that approximately 1 in 4 people will be aged over 64*. Current urbanization rate of Sweden is oscillating around 85%, therefore the vast majority of Swedish elderly will be living in cities. We are also expected to live and work longer, changing our professions few times during our lifetime. We will have to be fast learners and flexible employees to keep up with technological development and changing job market. We will have to compete with robots and smart technologies in order to keep our positions. This equals being a “lifelong student”, even in the older age. Looking towards the future, where the demographic structure of the society will shift, it is already time to start planning our cities for an aging population, where regardless date of birth everyone can feel important and integral part of our society
4
Liang, Zhanming, and N/A. "Characteristics, Competencies and Challenges: A Quantitative and Qualitative Study of the Senior Health Executive Workforce in New South Wales, 1990-1999." Griffith University. School of Public Health, 2007. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20070914.091446.
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Healthcare reforms and restructuring have been a global phenomenon since the early 1980s. The major structural reforms in the healthcare system in New South Wales (NSW) including the introduction and implementation of the area health management model (1986), the senior executive service (1989) and performance agreements (1990), heralded a new era in management responsibility and accountability. It is believed that the reforms, the process of the reforms, and the instability brought about by the reforms may have not only resulted in the change of senior healthcare management practices, but also in the change of competencies required for senior healthcare managers in meeting the challenges in the new era. However, limited studies have been conducted which examined how health reforms affected its senior health executive workforce and the above changes. Moreover, no study on senior healthcare managers has focused specifically on NSW after the major reforms were implemented. The purpose of this research was to examine how reforms in the NSW Health public sector affected its senior health executive workforce between 1990 and 1999 in terms of their roles and responsibilities, the competencies required, and the challenges they faced. This study, from a broad perspective, aimed to provide an overview of the NSW reforms, the forces behind the reforms and the effects the reforms may have had on senior health managers as predicted by the national and international literature. This study also explored the changes to the senior health executive workforce in the public sector during the period of rapid change in the 1990s and has provided indications of the managerial educational needs for future senior healthcare managers. Both quantitative and qualitative data have been collected by this study using triangulated methods including scientific document review and analyses, a postal questionnaire survey, and in-depth telephone interviews. The findings from the two quantitative methods informed and guided the development of the open-ended questions and overall focus of the telephone interviews. This study found differences in the characteristics and employment-related aspects between this study and previous studies in the 1980s and 1990s, and identified four major tasks, twelve key roles and seven core competencies required by senior health executives in the NSW Health public sector between 1990 and 1999. The study concludes that the demographic characteristics and the roles and responsibilities of the NSW Health senior executive workforce since the reforms of the 1980s have changed. This study also identified seven major obstacles and difficulties experienced by senior health executives and suggested that during the introduction and implementation of major healthcare reforms in NSW since 1986, barriers created by the system prevented the achievement of its full potential benefits. Although this study did not focus on detailed strategies on how to minimise the negative impact of the health reforms on the senior health executives or maximise the chance of success in introducing new changes to the system, some suggestions are proposed. Most significantly, the study has developed a clear analytical framework for understanding the pyramidal relationships between tasks, roles and competencies and has developed and piloted a new competency assessment approach for assessing the core competencies required by senior health managers. These significant findings indicate the need for a replication of the study on an Australia-wide scale in order to extend the generalisability of the results and test the reliability and validity of the new competency assessment approach at various management levels in a range of healthcare sectors. This is the first study acknowledging the impact of the introduction of the area health management model, the senior executive service and performance agreements in the NSW public health system through an original insight into the personal experiences of the senior health executives of the reforms and examination of the major tasks that senior health executives performed and relevant essential competencies required to perform these tasks. The possible solutions identified in this study can guide the development of strategies in providing better support to senior healthcare managers when large-scale organisational changes are proposed in the future.
5
Liang, Zhanming. "Characteristics, Competencies and Challenges: A Quantitative and Qualitative Study of the Senior Health Executive Workforce in New South Wales, 1990-1999." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/366277.
Full textAbstract:
Healthcare reforms and restructuring have been a global phenomenon since the early 1980s. The major structural reforms in the healthcare system in New South Wales (NSW) including the introduction and implementation of the area health management model (1986), the senior executive service (1989) and performance agreements (1990), heralded a new era in management responsibility and accountability. It is believed that the reforms, the process of the reforms, and the instability brought about by the reforms may have not only resulted in the change of senior healthcare management practices, but also in the change of competencies required for senior healthcare managers in meeting the challenges in the new era. However, limited studies have been conducted which examined how health reforms affected its senior health executive workforce and the above changes. Moreover, no study on senior healthcare managers has focused specifically on NSW after the major reforms were implemented. The purpose of this research was to examine how reforms in the NSW Health public sector affected its senior health executive workforce between 1990 and 1999 in terms of their roles and responsibilities, the competencies required, and the challenges they faced. This study, from a broad perspective, aimed to provide an overview of the NSW reforms, the forces behind the reforms and the effects the reforms may have had on senior health managers as predicted by the national and international literature. This study also explored the changes to the senior health executive workforce in the public sector during the period of rapid change in the 1990s and has provided indications of the managerial educational needs for future senior healthcare managers. Both quantitative and qualitative data have been collected by this study using triangulated methods including scientific document review and analyses, a postal questionnaire survey, and in-depth telephone interviews. The findings from the two quantitative methods informed and guided the development of the open-ended questions and overall focus of the telephone interviews. This study found differences in the characteristics and employment-related aspects between this study and previous studies in the 1980s and 1990s, and identified four major tasks, twelve key roles and seven core competencies required by senior health executives in the NSW Health public sector between 1990 and 1999. The study concludes that the demographic characteristics and the roles and responsibilities of the NSW Health senior executive workforce since the reforms of the 1980s have changed. This study also identified seven major obstacles and difficulties experienced by senior health executives and suggested that during the introduction and implementation of major healthcare reforms in NSW since 1986, barriers created by the ‘system’ prevented the achievement of its full potential benefits. Although this study did not focus on detailed strategies on how to minimise the negative impact of the health reforms on the senior health executives or maximise the chance of success in introducing new changes to the system, some suggestions are proposed. Most significantly, the study has developed a clear analytical framework for understanding the pyramidal relationships between tasks, roles and competencies and has developed and piloted a new competency assessment approach for assessing the core competencies required by senior health managers. These significant findings indicate the need for a replication of the study on an Australia-wide scale in order to extend the generalisability of the results and test the reliability and validity of the new competency assessment approach at various management levels in a range of healthcare sectors. This is the first study acknowledging the impact of the introduction of the area health management model, the senior executive service and performance agreements in the NSW public health system through an original insight into the personal experiences of the senior health executives of the reforms and examination of the major tasks that senior health executives performed and relevant essential competencies required to perform these tasks. The possible solutions identified in this study can guide the development of strategies in providing better support to senior healthcare managers when large-scale organisational changes are proposed in the future.Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Public Health
Faculty of Health
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Elekwachi, Philip Nwaogazie. "Perceptions of Financial Bribery and Kickbacks on Nigerian Healthcare Public Policy." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/6324.
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Financial bribery and kickbacks are characteristics of corruption that are considered a serious threat to healthcare development in Nigeria. The influence of corruption leads to financial waste and negative health consequences for citizens. High demand for quality healthcare and other socioeconomic development infrastructures in the rural areas of the state provide opportunities for misappropriation of allocated healthcare development funds. Using Kingdon's multiple streams theory as the foundation, the purpose of this case study of a single city in Nigeria was to understand how state and city legislators and health administrators perceive the influence of corruption on senior healthcare development, its service delivery, and the lives of residents. Data were collected through interviews with 15 individuals representing older adult participants, state and city legislators, and healthcare administrators and publicly available government data. Following a root cause analysis framework, these data were inductively coded and subject to a thematic analysis procedure. Identified key themes from the study findings were (a) healthcare services, (b) poor infrastructure, (c) poverty, (d) healthcare cost, (e) government and corruption, (f) unpaid wages, (g) health centers, and (h) public and private hospitals. The positive social change implications stemming from this study include recommendations to National Health Insurance Scheme to formulate policies that may improve quality healthcare service and delivery, improve communication between local government and residents, and reduce the high out-of-pocket cost of healthcare. These recommendations may enhance healthcare provider insight on equal healthcare access to seniors and the entire rural community.
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Anders, Judith E. "Senior Graduating Nursing Students: Career Choices in Gerontological Nursing in Response to Expanding Geriatric Population." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc103285/.
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Access to healthcare is needed and wanted by people of all ages and especially by those of the older population. The number of people in the 65 years of age and older population is rapidly growing with their needs expected to have a significant impact on the existing healthcare system and healthcare providers. The impact will be critical given the severe shortage of healthcare providers, especially of nurses and the rate of services being more often provided in non-hospital settings. The objectives of the study were to discover the plans of graduating nursing students as they choose their first place of employment, if they have future plans to pursue a nursing advance practice degree, and if they are very happy with their decision to become a nurse. Data for the study were obtained from a questionnaire presented to senior graduating nursing students. The findings were: (a) Most students prefer a hospital setting. (b) Younger students are three times as likely to seek out the hospital, and 1/3 of the students seek out the hospital setting because they were encouraged to become a nurse. (c) About 70% of the students want to work with their friends while 1/3 will seek the hospital worksite, as it is perceived as being the strongest resource in paying back loans. (d) Nearly 87% are considering the nursing advance practice role, and 52% have interest in the nurse practitioner role. The majority of students identified as very happy with their decision to become a nurse. This study provided insight for schools of nursing as they make curriculum decisions and to businesses as they learn of the preferences and plans of the new emerging nurses.
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Boadu, Frimpomaa, and Malin Fougman. "Sjuksköterskors upplevelser av att arbeta med kvalitetsregistret Senior alert och hur det påverkar vården av äldre." Thesis, Uppsala universitet, Institutionen för folkhälso- och vårdvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-312133.
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Bakgrund: Senior alert är ett nationellt kvalitetsregister som avser att förebygga trycksår, fall, undernäring, ohälsa i munnen och blåsdysfunktion hos patienter över 65 år. För att identifiera dessa riskområden används olika bedömningsinstrument och sjuksköterskor ansvarar för att registreringarna genomförs och att förebyggande åtgärder sätts in. Syfte: Studiens syfte var att studera sjuksköterskors upplevelse av att arbeta med kvalitetsregistret Senior alert samt hur sjuksköterskorna upplever att arbetet med kvalitetsregistret påverkar vården hos de äldre. Metod: Sex sjuksköterskor verksamma inom Uppsala kommun med erfarenhet av att arbeta med Senior alert intervjuades och en kvalitativ innehållsanalys användes för att bearbeta den insamlade datan. Resultat: Utifrån den insamlade datan utformades fyra kategorier, Upplevelser av Senior alert som redskap, Senior alert kan förbättras, Tillämpandet av senior alert i praktiken och Arbetet med Senior alert bidrar till ökad vårdprevention och sju underkategorier. Slutsats: Senior alert upplevs som ett bra redskap för att arbeta förebyggande och främja teamarbete, men uppfattas som tidskrävande. Sjuksköterskorna i den här studien anser att vården av de äldre förbättras då identifiering av riskområden sker tidigt och åtgärder sätts in. För att kunna göra resultatet överförbart och veta på vilket sätt vården förbättras behövs ett större urval och frågor som är utformade för att kunna besvara syftet.Background: Senior Alert is a quality registry which aims to prevent pressure ulcers, falling, malnutrition, bad oral health and urinary incontinence among patients over 65 years. To identify these areas different evaluation tools are used and nurses are responsible for the registrations and making sure preventive actions are made. Aim: The aim of this study was to describe how nurses experience working with the quality registry Senior Alert and how it affects the care of the elderly. Methods: Six nurses working in Uppsala county with experience of working with Senior Alert was interviewed. The interviews were analyzed using a qualitative content analysis. Results: Four categories, Senior Alert as a tool, Senior Alert needs improvement, Working with Senior Alert and Senior Alert contributes to a better health care and seven subcategories were identified. Conclusions: The respondents found Senior Alert to be a helpful tool for preventive work and that it promotes teamwork, but is perceived as time consuming. The nurses in this study think that the care of the elderly improves by early identification and preventive actions, but to do this, study-result transferability and knowing in what way the care will improve it will need a larger target group and more questions to answer the aim of the study.
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Ritter, Benjamin. "The Relationship between the Rates of Job Satisfaction and the Degree of Person-Job Value Congruence for Senior Healthcare Leaders." Thesis, Pepperdine University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10930342.
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Acute care hospitals and senior healthcare leaders are facing increasing governmental regulations enacted by the Affordable Care Act (ACA), Value-Based Programing, and a constantly changing political agenda. Senior healthcare leaders are expected to solve these new challenges and lead their employees and organizations during these challenging times. However, the ever-changing healthcare environment, which may be attributing to the high turnover rates and low rates of job satisfaction for senior healthcare leaders, is preventing lasting solutions to the current challenges the healthcare industry is facing (Fiabane, Giorgi, Sguazzin, & Argentero, 2013; Keyko, Cummings, Yonge, & Wong, 2016). Research supports that intrinsic variables of job satisfaction are the key to increasing motivation and job satisfaction for healthcare employees (Janssen, De Jonge, & Bakker, 1999; Lee & Cummings, 2008; Lundh, 1999; Nolan, Nolan, & Grant, 1995; Speedling, 1990). Research also indicated that value congruence is positively related to job satisfaction (Edwards & Cable, 2009; Kristof, 1996; Kristof-Brown, Zimmerman, & Johnson, 2005; Ren & Hamann, 2015) and has a stronger relationship between intrinsic variables of job satisfaction than extrinsic variables of job satisfaction (Caudron, 1997; Fisher, 2010). The purpose of this research study was to explore the relationship between the rates of extrinsic and intrinsic job satisfaction and the degree of person-job value congruence for senior healthcare leaders. Surprisingly, this study’s findings indicated that there is no statistically significant relationship between person-job value congruence and extrinsic or intrinsic job satisfaction. Also, contrary to previous literature, extrinsic job satisfaction was highlighted as more important than intrinsic job satisfaction for increasing job satisfaction for senior healthcare leaders. The study’s findings also note that female senior healthcare leaders have less extrinsic job satisfaction and feel that they need to achieve more (be more successful, capable, and ambitious) in their roles than male senior healthcare leaders. This study’s findings offer acute care hospitals evidence that supports employee engagement strategies that differ from the common practice to focus on intrinsic variables and personal values. Instead, this study’s findings suggest acute care hospitals focus on the more explicit extrinsic variables of job satisfaction and explore potential gender differences between senior healthcare leaders.
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El-Sharkawi, Hossam K. "Development of a model to integrate patient, staff & doctor satisfaction attributes and predictors into senior level healthcare management decision-making & policy development." Thesis, City University London, 2000. http://openaccess.city.ac.uk/8069/.
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This thesis addressesth e question of the significance or addedv alue derived from directly integrating client (defined as patients, doctors, and staff) satisfaction level predictors and attributes into senior level healthcare decision-making and policy development processes. It poses the questions: 1. Is satisfaction level measurement for patients, doctors and staff an important requirement for improved managerial efficiency and effectiveness? If so, then why? 2. Are the satisfaction attributes for each of these groups associated? What are the implications of such an association on senior managerial decision outcomes? 3. How to best integrate satisfaction predictors and attributes to improve decisionmaking and policy development? To address the above, the thesis proposes a unified model to allow for the utilisation of satisfaction study findings to inform both policy and decision-making processes. Through client satisfaction impact assessment (CSIA) methods, the model may permit healthcare managers to achieve higher levels of client loyalty, by better understanding, predicting and possibly influencing client needs, expectations and satisfaction. Modelling is a means that enables senior managers to simulate realistic scenarios while avoiding costly and/or unethical trial and error strategies. Therefore, modelling acts as a decision-aiding methodology. The model links health management decision-making process and frameworks with key attributes and predictors of user/patient, doctor and staff satisfaction, to show implications on the development of sound policy and decision outcomes, while avoiding pitfalls. It goes beyond simple measurements of satisfaction, by examining its multi-dimensional nature, decomposing it into constituent attributes, and investigating its predictors. Satisfaction attributes are viewed as an extension of people's needs and expectations. The data corroborates the work of other researchers as to the complexity of the concept of satisfaction and its expression. Data were collected through focus groups, household surveys, and exit questionnaires in the West Bank (Palestine) as a case study; the thesis outlines the need and practical methods to harmonise healthcare organisation policy setting and evolution with patient, staff and doctor expectations and beliefs, to the extent possible. The resulting synergy from this harmonisation would work to reduce some of the inherit uncertainty associated with decision outcomes by lowering the risk of dissonance between management and its main client groups (patients, staff, medical doctors). Dissonance, or position discrepancy, is viewed as a key contributing factor to reduced client satisfaction and increased decision uncertainty. From the organisational policy development perspective, the model reveals the significance satisfaction attributes and predictors of all three client groups (patients, staff, medical doctors) and subsequent decisions they make (observed behaviour) through the institutionalisation of systematic methods to incorporate vital information at policy levels. The determinants of these decisions are further analysed including beliefs, perceptions, attitudes, and intentions to enhance the understanding of how these factors fit into decision-making and policy development processes. It further points to the consequences healthcare managers may encounter when the opposing needs and expectations (multi-attributes of satisfaction) on these groups are not closely examined.
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Nieves, Rafael. "Perceptions of Senior Citizens in Central Florida Regarding Quality of Care Under the Patient Protection and Affordable Care Act (ACA)." Honors in the Major Thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/958.
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On March 23, 2010, President Barack Obama signed the Patient Protection and Affordable Care Act (PPACA) into law. This reform, it is argued, is projected to increase insurance coverage of pre-existing conditions, to expand access to insurance for more than 30 million Americans, and to increase estimated National medical spending while lowering projected Medicare spending. This thesis sought to investigate and analyze the perceptions of senior citizens in Central Florida about PPACA and their perceived effects on the healthcare quality provided to them under this law. Four sections of PPACA bill, thought to specifically pertain to the elderly, were selected for this study; respondents were asked their opinions regarding PPACA's aspects of: (1) the reform on preventive healthcare services; (2) Medicare Part D (prescription drugs); (3) Medicare; and (4) Medicaid. This thesis employed both qualitative and quantitative methodologies; data were collected and analyzed with findings presented and discussed.B.S.
Bachelors
Health and Public Affairs
Health Management and Informatics
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Haroon, Arshad. "A medical sensor services framework for home healthcare." Thesis, Liverpool John Moores University, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.590091.
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Advances in technology and the increased use of home medical devices, such as blood glucose meters, blood pressure monitors and heart monitors are revolutionising the way public healthcare is administered. Homes and their associated networks in conjunction with such devices will take over many mundane healthcare tasks and manage new and enriched lifestyle choices that are at present dramatically affecting our overall quality of life. The combination of wireless and fixed networking infrastructures will form explicit links between the home and its devices and external entities such as gymnasiums, hospitals and general practitioner surgeries. Through these interconnected networks new real-time healthcare management systems will emerge that continually provide information and react to adverse or unusual medical conditions received from occupants within the home. Each home user will be empowered to influence all aspects of their health where healthcare practitioners are continually informed and only used for more specialised treatments. We can see obvious benefits such a system would bring. For example, we can make decisions about actions under consideration and influence this may have on long-term health. Whether this is through real-time monitoring or trend analysis, a better understanding of health and lifestyle choices will gain which at present is not possible. Movement towards this vision is already evident. For example, pacemaker technology is well understood and a natural progression would be to make such devices wireless, allowing easy connectivity to home, hospital and healthcare practitioner networks. This will undoubtedly lead to the development of a multitude of other similar devices designed to carry out some medical function to proactively monitor and act upon adverse factors that may threaten the health of a person. Healthcare practitioners will have direct access to these devices where they could be controlled or queried allowing data to be stored, accessed, and used in assessments. Given this use of networked devices home users could even pose questions about their health will gain to millions of networked sensors either insider or outside the body, with each sensor providing information about a particular aspect of a person's health. Much work has been
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Chung, W. Y. (Wan-Young). "Ubiquitous healthcare system based on a wireless sensor network." Doctoral thesis, University of Oulu, 2009. http://urn.fi/urn:isbn:9789514292903.
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Abstract
This dissertation aimed at developing a multi-modal sensing u-healthcare system (MSUS), which reflects the unique properties of a healthcare application in a wireless sensor network. Together with health parameters, such as ECG, SpO2 and blood pressure, the system also transfers context-aware data, including activity, position and tracking data, in a wireless sensor network environment at home or in a hospital.
Since packet loss may have fatal consequences for patients, health-related data are more critical than most other types of monitoring data. Thus, compared to environmental, agricultural or industrial monitoring, healthcare monitoring in a wireless environment imposes different requirements and priorities. These include heavy data traffic with wavelike parameters in wireless sensor network and fatal data loss due to the traffic. To ensure reliable data transfer in a wireless sensor network, this research placed special emphasis on the optimization of sampling rate, packet length and transmission rate, and on the traffic reduction method.
To improve the reliability and accuracy of diagnosis, the u-healthcare system also collects context-aware information on the user’s activity and location and provides real-time tracking.
Waveform health parameters, such as ECG, are normally sampled in the 100 to 400 Hz range according to the monitoring purpose. This type of waveform data may incur a heavy burden in wireless communication. To reduce wireless traffic between the sensor nodes and the gateway node, the system utilizes on-site ECG analysis implemented on the sensor nodes as well as query architecture. A 3D VRML viewer was also developed for the realistic monitoring of the user’s moving path and location.
Two communication methods, an 802.15.4-based wireless sensor network and a CDMA cellular network are used by sensors placed on the users’ bodies to gather medical data, which is then transmitted to a server PC at home or in the hospital, depending on whether the sensor is within or outside the range of the wireless sensor network.
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Celentano, Laura J. "RFID-assisted wireless sensor networks for cardiac tele-healthcare /." Online version of thesis, 2007. http://hdl.handle.net/1850/5719.
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Nelson, David Lee M. Eng Massachusetts Institute of Technology. "Drift compensated inertial position sensor for healthcare patient monitoring." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/36768.
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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.Includes bibliographical references (p. 71-72).
In order to provide more effective health care, especially to the elderly, we must enable the physician to monitor the patient outside of the clinic or hospital. A patient's activities are a critical indicator of his or her well-being, and the physician must have an un-intrusive and inexpensive means of monitoring patient activity. The objective of this project was to design and construct a low-cost, low-power, six degree-of-freedom inertial activity monitor that can be used with a portable computer. In this thesis, I describe the design and implementation of a such a monitor that can communicate using several popular peripheral bus protocols. I describe a simple attitude estimation filter and give a qualitative assessment of its performance.
by David Lee Nelson.
M.Eng.
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Xiao, Shuo Electrical Engineering & Telecommunications Faculty of Engineering UNSW. "Transmission power control in body-wearable sensor devices for healthcare monitoring." Publisher:University of New South Wales. Electrical Engineering & Telecommunications, 2008. http://handle.unsw.edu.au/1959.4/41104.
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Emerging body-wearable sensor devices for continuous health monitoring are severely energy constrained and yet required to offer high communication reliability under fluctuating channel conditions. This thesis aims at investigating the opportunities and challenges in the use of dynamic radio transmit power control for prolonging the lifetime of such devices. We first present extensive empirical evidence that the wireless link quality can change rapidly in body area networks, and a fixed transmit power results in either wasted energy (when the link is good) or low reliability (when the link is bad). We then propose a class of schemes feasible for practical implementation that adapt transmit power in real-time based on feedback information from the receiver. We show conservative, balanced, and aggressive adaptations of our scheme that progressively achieve higher energy savings of 14%-30% in exchange for higher potential packet losses (up to 10%). We also provide guidelines on how the parameters can be tuned to achieve the desired trade-off between energy savings and reliability within the chosen operating environment. Finally, we implement and profile our scheme on a MicaZ mote based platform, demonstrating that energy savings are achievable even with imperfect feedback information, and report preliminary results on the ultra-low-power integrated healthcare monitoring platform from our collaborating partner Toumaz Technology. In conclusion, our work shows adaptive radio transmit power control as a low-cost way of extending the battery-life of severely energy constrained body wearable devices, and opens the door to further optimizations customized for specific deployment scenarios.
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Steinhausen, Natasha. "Applications of the electric potential sensor for healthcare and assistive technologies." Thesis, University of Sussex, 2014. http://sro.sussex.ac.uk/id/eprint/48596/.
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The work discussed in this thesis explores the possibility of employing the Electric Potential Sensor for use in healthcare and assistive technology applications with the same and in some cases better degrees of accuracy than those of conventional technologies. The Electric Potential Sensor is a generic and versatile sensing technology capable of working in both contact and non-contact (remote) modes. New versions of the active sensor were developed for specific surface electrophysiological signal measurements. The requirements in terms of frequency range, electrode size and gain varied with the type of signal measured for each application. Real-time applications based on electrooculography, electroretinography and electromyography are discussed, as well as an application based on human movement. A three sensor electrooculography eye tracking system was developed which is of interest to eye controlled assistive technologies. The system described achieved an accuracy at least as good as conventional wet gel electrodes for both horizontal and vertical eye movements. Surface recording of the electroretinogram, used to monitor eye health and diagnose degenerative diseases of the retina, was achieved and correlated with both corneal fibre and wet gel surface electrodes. The main signal components of electromyography lie in a higher bandwidth and surface signals of the deltoid muscle were recorded over the course of rehabilitation of a subject with an injured arm. Surface electromyography signals of the bicep were also recorded and correlated with the joint dynamics of the elbow. A related non-contact application of interest to assistive technologies was also developed. Hand movement within a defined area was mapped and used to control a mouse cursor and a predictive text interface.
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Chen, Lei. "Identifying the usage anomalies for ECG-based healthcare body sensor networks." Thesis, University of York, 2016. http://etheses.whiterose.ac.uk/17339/.
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This thesis is looking into the dependability of a Electrocardiogram(ECG) based Healthcare Body Sensor Network system (HC-BSNs). For these type of devices, the dependability is not only depending on the devices themselves, but also heavily depending on how the devices are used. Existing literature has identified that there are around 4% of usage issues when existing ECG devices are used by professionals. The rate of usage issue will not be better for the ECG-Based HC-BSNs as these devices are more likely to be used by untrained people. Subsequently, it is with paramount importance to address the usage issues so that the overall dependability of the ECG-Based HC-BSNs can be assured. Our approach to address the usage issue is to detect the usage-related anomaly, which is contained in the captured signal when erroneous usage is made, and identify the cause to the usage-related anomaly automatically and without human intervention. By doing this, the user can be prompted with clearer and accurate correction instruction. Subsequently, the usage issues can be well corrected by the user. Based on the above concept, in this thesis, we have studied the anomalous signals which can be caused by the usage issues. Two methodologies, names as AID and FFNAID, have been proposed and evaluated to detect the usage-related anomalies. We have also studied how each usage issue can affect the signals on a mote, and we use the knowledge learnt from the study to propose a methodology, named as ACLP, to identify the root cause to the usage-related anomaly. All these methodologies are fully automated and does not require any human intervention once they are deployed. The evaluations have also shown the effectiveness of these methodologies.
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Saleh, Yasmine. "A study of privacy-preserving mechanisms for wireless multimedia sensor networks in healthcare." Thesis, Staffordshire University, 2018. http://eprints.staffs.ac.uk/4833/.
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Although the importance of privacy is well-acknowledged for sensitive data, a significant research effort is still needed to develop robust privacy protection solutions for Wireless Sensor Networks (WSNs) used in the context of healthcare. The focus of this doctoral research is to investigate privacy-preserving mechanisms for Wireless Multimedia Sensor Networks (WMSNs) for use in healthcare, to ensure privacy-aware transmission (from sensors to the base station) of multimedia data captured for healthcare. Towards achieving the goal stated above, the following research questions are addressed in this thesis: (i) What are the significant privacy threats in a WMSN used in the healthcare domain? (ii) What countermeasures can be deployed to stop privacy attacks that realize these threats? (iii) What is the impact, on the WMSN, of the deployment of the privacy countermeasures, with regards to the enhancement of privacy and to the associated computation, communication and storage overheads? A threat analysis, conducted in the research reported herein, revealed that linkability, identifiability and location disclosure are significant privacy threats for WMSNs in healthcare. Consequently, privacy countermeasures and the corresponding mechanisms to achieve unlinkability, anonymity / pseudonymity and location privacy are required in a privacy-aware WMSN for healthcare. The AntSensNet routing protocol (Cobo et al., 2010) for WMSNs was adapted in the work reported in this thesis, by adding to it privacy-preserving mechanisms, towards achieving unlinkability, anonymity / pseudonymity and location privacy. The standard AntSensNet routing protocol is vulnerable to privacy threats. Consequently, the following countermeasures were investigated in this thesis: (i) size correlation and encryption of scalar and multimedia data transmitted through a WMSN, and size correlation and encryption of ants, to achieve unlinkability and location privacy; (ii) fake traffic injection, to achieve anonymity, source location and base station location privacy, as well as unlinkability; (iii) pseudonyms, to achieve unlinkability. To assess the impact of the introduction of the above privacy countermeasures, a quantitative performance analysis was conducted (using the NS2 simulator and a theoretical analysis) to gauge the computation overhead (number of extra operations), communication overhead (number of extra network messages) and storage overhead (number of extra encryption keys) of the privacy countermeasures which were added to the AntSensNet protocol deployed within a WMSN. The performance analysis results show that the messages and memory overheads due to the added privacy countermeasures increase mostly linearly with the number of scalar and multimedia sensors, and the resulting traffic, increases in the network. iii Furthermore, a WMSN (with sensors having specifications similar to healthcare sensors, but not deploying the privacy-aware AntSensNet protocol) was simulated using the NS2 simulator, to study the effect of the introduction of fake traffic, towards achieving unlinkability, anonymity and location privacy. Entropy and anonymity set size were adopted to quantify the change in the level of privacy (anonymity, unlinkability and location privacy) as the number of fake sources and the volume of fake traffic increase. The results show that the level of privacy enhancement increases with the number of fake sources and volume of fake traffic, but at the expense of an increased delay in the data delivery and an increased level of multimedia jitter (as a result of the consumption of the available bandwidth by fake traffic). This delay and jitter might not be acceptable in critical situations where rapid medical action is required, such as for a patient who has suffered a stroke or a patient (remotely monitored by cameras) who has fallen and broken a bone. The novel contributions to knowledge which have arisen from this doctoral research are: (i) the elicitation of privacy threats, through a threat analysis methodology named LINDDUN (Wuyts et al., 2014) ─ applied to WMSNs for healthcare ─ to identify significant threats and hence the privacy enhancement mechanisms required by a privacy-aware WMSN; (ii) the enhancement of the AntSensNet routing protocol for WMSNs, to make it privacy-aware; (iii) the findings from the assessment of the privacy-awareness resulting from the deployed privacy-enhancing countermeasures and findings from the assessment of their associated computation, communication and storage overheads.
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Márquez, Ruiz Juan Carlos. "Sensor-Based Garments that Enable the Use of Bioimpedance Technology : Towards Personalized Healthcare Monitoring." Doctoral thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-3645.
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Functional garments for physiological sensing purposes have been utilized in several disciplinesi.e. sports, firefighting, military and medical. In most of the cases textile electrodes (Textrodes)embedded in the garment are employed to monitor vital signs and other physiologicalmeasurements. Electrical Bioimpedance (EBI) is a non-invasive and effective technology that canbe used for detection and supervision of different health conditions. In some specific applicationssuch as body composition assessment EBIS has shown encouraging results proving good degreeof effectiveness and reliability. In a similar way Impedance Cardiography (ICG) is anothermodality of EBI primarily concerned with the determination of Stroke Volume SV, indices ofcontractility, and other aspects of hemodynamics.EBI technology in the previously mentioned modalities can benefit from a integration with agarment; however, a successful implementation of EBI technology depends on the goodperformance of textile electrodes. The main weakness of Textrodes is a deficient skin-electrodeinterface which produces a high degree of sensitivity to signal disturbances. This sensitivity canbe reduced with a suitable selection of the electrode material and an intelligent and ergonomicgarment design that ensures an effective skin-electrode contact area.This research work studies the performance of textile electrodes and garments for EBIspectroscopy for Total Body Assessment and Transthoracic Electrical Bioimpedance (TEB) forcardio monitoring. Their performance is analyzed based on impedance spectra, estimation ofparameters, influence of electrode polarization impedance Zep and quality of the signals using asreference Ag/AgCl electrodes. The study includes the analysis of some characteristics of thetextile electrodes such as conductive material, skin-electrode contact area size and fabricconstruction.The results obtained in this research work present evidence that textile garments with a dry skinelectrodeinterface like the ones used in research produce reliable EBI measurements in bothmodalities: BIS for Total Body Assessment and TEB for Impedance Cardiography. Textiletechnology, if successfully integrated, may enable the utilization of EBI in both modalities andconsequently implementing wearable applications for home and personal health monitoring.
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LI, XUEYUN. "Enabling communication between border router and 6LoWPAN-based WSN for Healthcare." Thesis, Mittuniversitetet, Institutionen för informationsteknologi och medier, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-14155.
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Tang, Derek Hugh. "Healthcare Utilization and Expenditure Associated with Newly Diagnosed Epilepsy among Seniors of Arizona Medicaid Beneficiaries." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/293457.
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Purposes: The purpose of this study was to estimate the incidence rate of epilepsy in 2009 among various patient populations of Arizona seniors enrolled in Medicaid. Additionally, this study aimed to assess the incremental and relative economic and healthcare resource burden of new-onset epilepsy compared with those without newly diagnosed epilepsy. Methods: Arizona Medicaid claims data years 2008 through 2010 were used for this analysis. Patients who were at least 65 years of age as of January 1, 2009 and were continuously enrolled in any coverage group pertaining to Arizona Medicaid for at least 12 months during 2008 and 2009 were considered eligible for the 2009 cohort; patients who were continuously enrolled during 2008 but not at all during 2009 were excluded. In addition to meeting the criteria for the 2009 cohort, incident cases of 2009 must also have epilepsy-related healthcare claims, a one-year clean period during which they cannot have any epilepsy-related healthcare claim, and that their first epilepsy-related healthcare claim in 2009 cannot have with a diagnosis code of 345.x1. The outcome variables assessed included incidence rate of being diagnosed with epilepsy, total monthly healthcare costs, total monthly inpatient costs, total monthly outpatient costs, total monthly prescription costs, incidence rate of inpatient stay, and incidence rate of physician visits. Results: The incidence rate of epilepsy in 2009 for this population was 7.9 per 1,000. Patients with epilepsy-related disease-based risk factors and of younger age had significantly greater incidence rate compared with their counterparts. In general, total monthly healthcare costs and incidence rate of inpatient stay were approximately three times greater in patients with newly diagnosed epilepsy compared with their counterpart (p < 0.001); incremental total monthly healthcare costs in patients with newly diagnosed epilepsy reached 2,077 US dollars. Conclusion: The Arizona Medicaid population appeared to have higher incidence rate compared with the US Medicare and the general US population. Additionally, Arizona Medicaid beneficiaries with newly diagnosed epilepsy had significantly greater healthcare costs and resource utilization compared with those without epilepsy.
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Jiang, Chuan. "A Smart and Minimally Intrusive Monitoring Framework Design for Health Assessment of the Elderly." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439294464.
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Tang, Jun. "A Middleware of Wireless sensor networks for Home healthcare monitoring application : Design and implementation based on multiple module of data acquisition." Thesis, Mittuniversitetet, Institutionen för informationsteknologi och medier, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-19702.
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With the continued increases in the global population, a serious problem will occur in relation to an ageing population. The reason for this is that a significant number of elderly people may suffer from serial chronic diseases making it difficult for them to live independently and thus they pose a significant economic burden for both themselves and for their government. In order to solve this problem, more and more E-healthcare applications are being designed. In addition, a wide range of medical sensors exist, which can monitor almost all the important physiological parameters of the human body. However, different sensors may use different communication protocols, data units and formats. Additionally, the elderly may use more than one E-healthcare application at the same time and this can lead to problems if there is more than one data source. The project “A Middleware of Wireless sensor networks for Home healthcare monitoring application” is designed to solve these problems. The focus of this report is on the design and implementation based on multiple modules of data acquisition. There are four data acquisition modules which include the ZigBee module, 6LowPAN module, Wi-Fi module and a Bluetooth module. Thus, multiple data acquisition module middleware supports the sensor by means of ZigBee, 6LowPAN, Wi-Fi and Bluetooth. The tasks of the middleware are to collect packets from sensors, perform data processing and mapping and then displaying as real-time data and finally transmitting the data to the remote server.
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Sigwele, Tshiamo, Yim Fun Hu, M. Ali, Jiachen Hou, M. Susanto, and H. Fitriawan. "An intelligent edge computing based semantic gateway for healthcare systems interoperability and collaboration." IEEE, 2018. http://hdl.handle.net/10454/17552.
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YesThe use of Information and Communications Technology (ICTs) in healthcare has the potential of minimizing medical errors, reducing healthcare cost and improving collaboration between healthcare systems which can dramatically improve the healthcare service quality. However interoperability within different healthcare systems (clinics/hospitals/pharmacies) remains an issue of further research due to a lack of collaboration and exchange of healthcare information. To solve this problem, cross healthcare system collaboration is required. This paper proposes a conceptual semantic based healthcare collaboration framework based on Internet of Things (IoT) infrastructure that is able to offer a secure cross system information and knowledge exchange between different healthcare systems seamlessly that is readable by both machines and humans. In the proposed framework, an intelligent semantic gateway is introduced where a web application with restful Application Programming Interface (API) is used to expose the healthcare information of each system for collaboration. A case study that exposed the patient's data between two different healthcare systems was practically demonstrated where a pharmacist can access the patient's electronic prescription from the clinic.
British Council Institutional Links grant under the BEIS-managed Newton Fund.
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Chakraborty, Suryadip. "Data Aggregation in Healthcare Applications and BIGDATA set in a FOG based Cloud System." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1471346052.
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Liu, Congrui. "Wearable Fall Detection using Barometric Pressure Sensor." Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-29968.
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Wearable wireless sensor devices, which are implemented by deploying sensor nodes on objects, are widely utilized in a broad field of applica-tions, especially in the healthcare system for improving the quality of life or monitoring different types of physical data from the observed objects. The aim of this study is to design an in-home, small-size and long-term wearable fall detection system in wireless network by using barometric pressure sensing for elderly or patient who needs healthcare monitoring. This threshold-based fall detection system is to measure the altitude of different positions on the human body, and detect the fall event from that altitude information. As a surveillance system, it would trigger an alert when the fall event occurs so that to protect people from the potential life risk by immediate rescue and treatment. After all the performances evaluation, the measurement result shows that standing, sitting and fall state was detected with 100% accuracy and lying on bed state was detected with 93.3% accuracy by using this wireless fall detection system. Furthermore, this system with low power consumption on battery-node can operate continuously up to 150 days.
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Mishra, Amitabh. "Modeling and Performance Evaluation of Wireless Body Area Networks for Healthcare Applications." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439281330.
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Salehi, Shahraki Ahmad. "Data flow and access control policy models in wireless body area network for healthcare." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/101501/1/Ahmad_Salehi%20Shahraki_Thesis.pdf.
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This thesis starts with an investigation of the interactions in terms of data flow between parties involved in body area networks or BANs under healthcare scenarios targeting outdoor and indoor environments. Using these scenarios, data flow requirements are identified between BAN elements and parties involved in BANs such as patients and doctors. Identified requirements are used to generate BAN data flow models. Data flow models and key information security and the privacy requirements were used to design an access control policy model that would allow authorized parties to access medical resources and data securely.
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Ramjaun, Aliya. "Can administrative healthcare data be used to predict post-discharge emergency room visits in seniors with colon cancer?" Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119719.
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Background: The comprehensive geriatric assessment (CGA) is a multidimensional in-depth evaluation that can be used to assess and estimate life expectancy, risk of morbidity and the physiological age of older cancer patients. Conducting a CGA, however, is resource-intensive. The CGA is also not specifically targeted towards assessing cancer patients and fails to take into account the impact of past medical events. Objectives: We sought to determine if age-specific risk factors comprising the CGA as well as patterns of healthcare use could be assessed in patients 65 years and older undergoing colon cancer surgery between 2000-2006 using administrative healthcare data. We also aimed to determine whether any associations exist between these risk factors and the occurrence of post-discharge emergency room visits (PERVs). Methods: We first conducted a systematic review (PROSPERO registration number CRD42012002476) using MEDLINE, CINAHL, EMBASE and CANCERLIT databases. to identify CGA domains most predictive of adverse cancer-related outcomes, including treatment-related toxicity, mortality and postoperative complications. Studies published in English or French between May 1997 and May 2012, in which a CGA was conducted in patients over the age of 65 initiating cancer treatment, were assessed for eligibility, of which 9 studies were selected for this review. We subsequently conducted a historical cohort study using administrative healthcare data. This involved using administrative claims provided by Quebec's healthcare insurance program (RAMQ) and hospitalization data to identify patients 65 years and older receiving colon cancer surgery between January 1, 2000 and December 31, 2006. Using a one-year look-back period, ICD-9 and generic drug codes were used to characterize patients' history of relevant comorbidities. Service claims, hospitalization and prescription data were also used to characterize past patterns of healthcare use. Following bivariate analyses, a multivariate logistic regression was used to quantify risk factors for ER visits occurring within 30 days of discharge. Results: Our systematic review indicated that, in predicting mortality, in at least one study or another, all CGA domains were found to be significant. Most frequently, the following domains were reported for predicting mortality: nutritional status, the presence of geriatric syndromes such as depression, and functional status. With regards to chemotherapy-related toxicity, similar findings were obtained where functional status and the presence of geriatric syndromes, such as impaired hearing, had the most significant predictive value. Only one study reported on the incidence of post-operative complications for which severe comorbidity was found to be highly associated with experiencing severe complications, while functional status was found to be significantly associated with experiencing any complication. 3789 patients were included in our historical cohort, of which 17.18% made a PERV. The results of the multivariate logistic regression indicated that certain CGA domains were predictive of PERVs. Specifically, individuals that had recently received care for either diabetes or cardiovascular disease had a greater odds of experiencing a PERV. In addition, individuals with increased medication use, as measured by the number of unique medications dispensed within 6 months preceding surgery were more likely to experience a PERV. A number of patterns of past healthcare use also demonstrated predictive utility for the PERV outcome, including a history of visiting the ER, and whether a patient had visited the ER within 30 days preceding surgery for colon cancer-related symptoms. Conclusions: Certain age-specific risk factors and past patterns of healthcare use may predict PERVs. This has important implications in the development of age-sensitive electronic risk-profiling tools.Contexte: L'évaluation gériatrique globale (CGA) est une évaluation approfondie multidimensionnel qui peut être utilisé pour évaluer et estimer l'espérance de vie, risque de morbidité et l'âge physiologique des patients âgés cancereux. Mais, la réalisation d'une CGA exige beaucoup de ressources. Elle est non spécifiquement dirigée pour l'évaluation des patients cancéreux et ne prend en considération la conséquence des événements médicaux passés. Objectifs : Nous voulions déterminer si des éléments à risques concernant l'âge, y compris la CGA ainsi que les différents usages des systèmes médicaux pourraient être évalués pour ceux de ≥ 65 ans qui ont subis la chirurgie du cancer du colon entre 2000 à 2006 en utilisant les données administratives des services de santé. On a aussi cherché à savoir si des liens existent entre ces facteurs des risque objectif et des événements suivant la d'échange des visites postopératoires (PERVs).Méthodes : On a d'abord entrepris une revue systématique en utilisant MEDLINE, CINAHL, EMBASE et CANCERLIT pour identifier les domaines CGA les plus prédictifs d'effets indésirables liés au cancer, notamment la toxicité liée au traitement, la mortalité et les complications postopératoires. Les études publiées en anglais ou en français, entre mai 1997 et mai 2012, dans lesquelles un CGA a été menée chez des patients ≥ 65 ans commencent le traitement du cancer, ont été évalués pour l'admissibilité et dont 9 études ont été choisis pour cette revue. Puis, on a mené une étude d'ensemble historique en utilisant les données administratives de la santé, y compris les réclamations permises par l'assurance de santé du Québec (RAMQ) et les données d'hospitalisation pour identifier ceux de ≥ 65 ans qui ont subi la chirurgie du cancer du colon (2000-2006). L'utilisation d'une année d'histoire médicale passée, les codes diagnostiques (ICD-9) et ceux de médicaments génériques ont servi à mieux comprendre l'histoire de comorbidités. On a aussi utilisé les mêmes données pour cerner les tendances passées de l'utilisation des soins. Une régression logistique multiple a été utilisée pour mesurer les facteurs de risque de visites à l'urgence survenant dans les 30 jours après la sortie de l'hôpital. Résultats: Les résultats de notre étude ont indiqué que, le plus souvent, les domaines suivants ont été rapportés pour prédire la mortalité : l'état nutritionnel, la présence de syndromes gériatriques tels que la dépression et l'état fonctionnel. Concernant la toxicité liée à la chimiothérapie, l'état fonctionnel et la présence de syndromes gériatriques comme les troubles de l'audition, avaient une valeur prédictive importante. Une seule étude est publiée sur l'incidence des complications postopératoires dont la comorbidité sévère a été jugée associée à des complications graves, tandis que l'état fonctionnel a été trouvé significativement lié à aucune complication. 3789 patients ont été inclus dans notre étude, dont 17.18% ont fait une visite à la salle d'urgence. Les résultats de la régression logistique multiples ont indiqué que certains domaines CGA étaient prédictifs de PERV. Plus précisément, ceux qui ont récemment reçu des soins pour le diabète ou les maladies cardiovasculaires avaient une plus grande probabilité de faire un PERV. Aussi, les individus avec une forte consommation de médicaments uniques dans les six mois précédant la chirurgie étaient les plus susceptibles de faire un PERV. En plus, les patients qui avaient visité la salle d'urgence, et ceux qui ont fait la même chose dans les 30 jours précédant la chirurgie pour des symptômes liés au cancer du côlon étaient plus susceptibles d'avoir besoin d'un PERV. Conclusions : Certaines facteurs de risque spécifiques à l'âge et les habitudes passées d'utilisation des soins de santé peuvent prédire PERV. Ceci a des implications importantes dans le développement des méthodes et autres outils électroniques.
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Maw, Htoo Aung. "A trust-based adaptive access control model for wireless sensor networks." Thesis, University of Hertfordshire, 2015. http://hdl.handle.net/2299/16564.
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Wireless Sensor Networks (WSNs) have recently attracted much interest in the research community because of their wide range of applications. One emerging application for WSNs involves their use in healthcare where they are generally termed Wireless Medical Sensor Networks (WMSNs). In a hospital, fitting patients with tiny, wearable, wireless vital sign sensors would allow doctors, nurses and others to continuously monitor the state of those in their care. In the healthcare industry, patients are expected to be treated in reasonable time and any loss in data availability can result in further decline in the patient's condition or can even lead to death. Therefore, the availability of data is more important than security concerns. The overwhelming priority is to take care of the patient, but the privacy and confidentiality of that patient's medical records cannot be neglected. In current healthcare applications, there are many problems concerning security policy violations such as unauthorised denial of use, unauthorised information modification and unauthorised information release of medical data in the real world environment. Current WSN access control models used the traditional Role-Based Access Control (RBAC) or cryptographic methods for data access control but the systems still need to predefine attributes, roles and policies before deployment. It is, however, difficult to determine in advance all the possible needs for access in real world applications because there may be unanticipated situations at any time. This research proceeds to study possible approaches to address the above issues and to develop a new access control model to fill the gaps in work done by the WSN research community. Firstly, the adaptive access control model is proposed and developed based on the concept of discretionary overriding to address the data availability issue. In the healthcare industry, there are many problems concerning unauthorised information release. So, we extended the adaptive access control model with a prevention and detection mechanism to detect security policy violations, and added the concept of obligation to take a course of action when a restricted access is granted or denied. However, this approach does not consider privacy of patients' information because data availability is prioritised. To address the conflict between data availability and data privacy, this research proposed the Trust-based Adaptive Access Control (TBA2C) model that integrates the concept of trust into the previous model. A simple user behaviour trust model is developed to calculate the behaviour trust value which measures the trustworthiness of the users and that is used as one of the defined thresholds to override access policy for data availability purpose, but the framework of the TBA2C model can be adapted with other trust models in the research community. The trust model can also protect data privacy because only a user who satisfies the relevant trust threshold can get restricted access in emergency and unanticipated situations. Moreover, the introduction of trust values in the enforcement of authorisation decisions can detect abnormal data access even from authorised users. Ponder2 is used to develop the TBA2C model gradually, starting from a simple access control model to the full TBA2C. In Ponder2, a Self-Managed Cell (SMC) simulates a sensor node with the TBA2C engine inside it. Additionally, to enable a full comparison with the proposed TBA2C model, the Break-The-Glass Role Based Access Control (BTGRBAC) model is redesigned and developed in the same platform (Ponder2). The proposed TBA2C model is the first to realise a flexible access control engine and to address the conflict between data availability and data privacy by combining the concepts of discretionary overriding, the user behaviour trust model, and the prevention and detection mechanism.
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Sundaravadivel, Prabha. "Application-Specific Things Architectures for IoT-Based Smart Healthcare Solutions." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1157532/.
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Human body is a complex system organized at different levels such as cells, tissues and organs, which contributes to 11 important organ systems. The functional efficiency of this complex system is evaluated as health. Traditional healthcare is unable to accommodate everyone's need due to the ever-increasing population and medical costs. With advancements in technology and medical research, traditional healthcare applications are shaping into smart healthcare solutions. Smart healthcare helps in continuously monitoring our body parameters, which helps in keeping people health-aware. It provides the ability for remote assistance, which helps in utilizing the available resources to maximum potential. The backbone of smart healthcare solutions is Internet of Things (IoT) which increases the computing capacity of the real-world components by using cloud-based solutions. The basic elements of these IoT based smart healthcare solutions are called "things." Things are simple sensors or actuators, which have the capacity to wirelessly connect with each other and to the internet. The research for this dissertation aims in developing architectures for these things, focusing on IoT-based smart healthcare solutions. The core for this dissertation is to contribute to the research in smart healthcare by identifying applications which can be monitored remotely. For this, application-specific thing architectures were proposed based on monitoring a specific body parameter; monitoring physical health for family and friends; and optimizing the power budget of IoT body sensor network using human body communications. The experimental results show promising scope towards improving the quality of life, through needle-less and cost-effective smart healthcare solutions.
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Jamthe, Anagha. "Mitigating interference in Wireless Body Area Networks and harnessing big data for healthcare." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1445341798.
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Boidi, Krishna Verma. "Design, Simulate and Prototype Data Decision System for the Smart Universal Gateway for e-HealthCare System : Master Thesis." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Data- och elektroteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-14837.
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Cánovas, Martínez Rocío. "Tailor-made chemical sensing platforms for decentralized healthcare and wellbeing." Doctoral thesis, Universitat Rovira i Virgili, 2018. http://hdl.handle.net/10803/462914.
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Aquesta tesis fa referència a la necessitat social de la implementació de sensors electroquímics en la nostra vida quotidiana a diferents nivells. Des d’un enfocament sanitari, l’ús i l’aplicació real de plataformes fàcils d’utilitzar pel propi pacient facilitarien la presa de decisions gràcies a la obtenció d’informació rellevant i monitoratge d’una malaltia. Així mateix, l’ús d’aquestes eines de manera individual, en centres de salut o inclús hospitals, ajudarien a disminuir el cost que la sanitat ha d’afrontar diàriament. Des d’un enfocament diferent, aquest tipus de sensors poden oferir també altres tipus de aplicacions, poden ser usats amb finalitats mediambientals o de seguretat. La fabricació de sensors electroquímics (amperomètrics i potenciomètrics) integrats i impresos en diferents substrats fàcils de manipular, de baix cost i robustos (com tèxtils, globus o paper) ha estat aconseguida durant aquesta tesis. L’estudi del seu rendiment analític sota la influencia de diferents situacions d’estres i en diferents fluids biològics (detectant ions en suor o glucosa en sèrum i sang) també ha estat realitzat amb èxit. Aquestes aportacions tecnològiques van dirigides a superar els reptes que la societat d’avui en dia necessita solucionar: com pot ser la sostenibilitat del sistema sanitari en una població cada vegada mes envellida; el manteniment d’una seguretat i un estat del benestar; i el control mediambiental. Aquesta tesis suposa un avenç en aquest sentit i mostra diferents solucions científiques i eines útils per aquests reptes que la societat necessita afrontar.Esta tesis hace referencia a la necesidad social de la implantación de sensores electroquímicos en nuestra vida diaria a distintos niveles. Desde un enfoque sanitario, el uso y la aplicación real de plataformas fáciles de usar mediante el propio paciente facilitarían la toma de decisiones gracias a la obtención de información relevante y monitoreo de una enfermedad. Así mismo, el uso de estas herramientas de manera individual, en centros de salud o incluso hospitales disminuiría el costo que la sanidad debe afrontar diariamente. Desde un enfoque diferente, este tipo de sensores pueden ofrecer también otro tipo de usos, pudiendo ser aplicados para fines medioambientales o de seguridad. La fabricación de sensores electroquímicos (amperométricos y potenciométricos) integrados e impresos en diferentes sustratos fáciles de manipular, de bajo costo y robustos (como textiles, globos o papel) ha sido lograda durante esta tesis. El estudio de su rendimiento analítico bajo diferentes situaciones de estrés y en diferentes fluidos biológicos (detectando iones en sudor o glucosa en suero y sangre) también ha sido realizado de manera exitosa. Estas aportaciones tecnológicas van dirigidas a superar los retos que la sociedad de hoy en día necesita solucionar: como puede ser la sostenibilidad del sistema sanitario en una población cada vez más envejecida; el mantenimiento de una seguridad y un bienestar general; y el control medioambiental. Esta tesis supone un avance en este sentido y muestra diferentes soluciones científicas y herramientas útiles para estos retos que la sociedad necesita afrontar.
This thesis refers to the social need of the implementation of electrochemical sensors in our daily life at different levels. From a sanitary point of view, the use and real application of user-friendly platforms by the patient itself would facilitate the decision-making process thanks to the obtaining of relevant information and monitoring of a disease. Besides, the use of these tools individually, in health centers or even hospitals, would reduce the cost that healthcare must pay on a daily basis. In a different approach, this type of sensors can also offer other types of applications, which can be applied for environmental or safety purposes. The manufacturing of electrochemical sensors (amperometric and potentiometric) integrated and embedded on different substrates easy to manipulate, low cost and robust (such as textiles, balloons or paper) has been achieved during this thesis. The study of their analytical performance under different mechanical stress and using different biological fluids (detecting ions in sweat or glucose in serum and blood) has also been carried out successfully. These technological contributions are aimed at overcoming the challenges that today's society needs to solve: such as the sustainability of the health system in an aging population; the maintenance of security and general wellbeing; and environmental control. This thesis contributes with huge advancements to face these issues and shows different scientific solutions and useful tools for these challenges that society needs to address. This thesis refers to the social need of the implementation of electrochemical sensors in our daily life at different levels. From a sanitary point of view, the use and real application of user-friendly platforms by the patient itself would facilitate the decision-making process thanks to the obtaining of relevant information and monitoring of a disease. Besides, the use of these tools individually, in health centers or even hospitals, would reduce the cost that healthcare must pay on a daily basis. In a different approach, this type of sensors can also offer other types of applications, which can be applied for environmental or safety purposes. The manufacturing of electrochemical sensors (amperometric and potentiometric) integrated and embedded on different substrates easy to manipulate, low cost and robust (such as textiles, balloons or paper) has been achieved during this thesis. The study of their analytical performance under different mechanical stress and using different biological fluids (detecting ions in sweat or glucose in serum and blood) has also been carried out successfully. These technological contributions are aimed at overcoming the challenges that today's society needs to solve: such as the sustainability of the health system in an aging population; the maintenance of security and general wellbeing; and environmental control. This thesis contributes with huge advancements to face these issues and shows different scientific solutions and useful tools for these challenges that society needs to address.
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Zörner, Alicia [Verfasser], Sannakaisa [Akademischer Betreuer] Virtanen, and Sannakaisa [Gutachter] Virtanen. "Development and Investigation of a Printed Multi-Ion-Selective Sensor System Towards Healthcare Applications / Alicia Zörner ; Gutachter: Sannakaisa Virtanen ; Betreuer: Sannakaisa Virtanen." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2021. http://d-nb.info/1235224538/34.
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Mercuriali, Dennis. "Progettazione di un Sistema Informatico con Web Semantico per Assistenza Sanitaria." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13893/.
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La tesi si concentra su come sviluppare un sistema informatico basato su Web Semantico per la raccolta, gestione, analisi e visualizzazione di dati clinici riguardanti persone, ricoverate e non.
Il progetto propone un sistema che metta in relazione malattie, sintomi e oggetti fisici al fine di creare un database contenente la cartella clinica dettagliata di una persona. La creazione di una cartella clinica elettronica consente alla persona e ai medici di avere accesso a tutti i dati clinici di tale persona indipendentemente dalla loro posizione, oltre ad abbassare i costi per la gestione dei documenti che oggi sono mantenuti in forma cartacea.
Il sistema si compone anche di un "modulo" formato da reti di sensori per il monitoraggio in tempo reale e a distanza dei pazienti ricoverati o in riabilitazione.
Dopo la progettazione teorica del sistema, è stato sviluppato un prototipo che mostra come sia possibile sfruttare le tecnologie del Web Semantico per la memorizzazione, accesso e analisi dei dati nel database.
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Chen, Yun. "Mining Dynamic Recurrences in Nonlinear and Nonstationary Systems for Feature Extraction, Process Monitoring and Fault Diagnosis." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6072.
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Real-time sensing brings the proliferation of big data that contains rich information of complex systems. It is well known that real-world systems show high levels of nonlinear and nonstationary behaviors in the presence of extraneous noise. This brings significant challenges for human experts to visually inspect the integrity and performance of complex systems from the collected data. My research goal is to develop innovative methodologies for modeling and optimizing complex systems, and create enabling technologies for real-world applications. Specifically, my research focuses on Mining Dynamic Recurrences in Nonlinear and Nonstationary Systems for Feature Extraction, Process Monitoring and Fault Diagnosis. This research will enable and assist in (i) sensor-driven modeling, monitoring and optimization of complex systems; (ii) integrating product design with system design of nonlinear dynamic processes; and (iii) creating better prediction/diagnostic tools for real-world complex processes.
My research accomplishments include the following.
(1) Feature Extraction and Analysis:
I proposed a novel multiscale recurrence analysis to not only delineate recurrence dynamics in complex systems, but also resolve the computational issues for the large-scale datasets. It was utilized to identify heart failure subjects from the 24-hour heart rate variability (HRV) time series and control the quality of mobile-phone-based electrocardiogram (ECG) signals.
(2) Modeling and Prediction:
I proposed the design of stochastic sensor network to allow a subset of sensors at varying locations within the network to transmit dynamic information intermittently, and a new approach of sparse particle filtering to model spatiotemporal dynamics of big data in the stochastic sensor network. It may be noted that the proposed algorithm is very general and can be potentially applicable for stochastic sensor networks in a variety of disciplines, e.g., environmental sensor network and battlefield surveillance network.
(3) Monitoring and Control:
Process monitoring of dynamic transitions in complex systems is more concerned with aperiodic recurrences and heterogeneous types of recurrence variations. However, traditional recurrence analysis treats all recurrence states homogeneously, thereby failing to delineate heterogeneous recurrence patterns. I developed a new approach of heterogeneous recurrence analysis for complex systems informatics, process monitoring and anomaly detection.
(4) Simulation and Optimization:
Another research focuses on fractal-based simulation to study spatiotemporal dynamics on fractal surfaces of high-dimensional complex systems, and further optimize spatiotemporal patterns. This proposed algorithm is applied to study the reaction-diffusion modeling on fractal surfaces and real-world 3D heart surfaces.
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Hoang, Thai Bang. "Infrared and visible wireless optical technology for body sensor connectivity." Thesis, Limoges, 2019. http://www.theses.fr/2019LIMO0027/document.
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Cette thèse est axée sur le domaine de la communication optique sans fil en intérieur pour la surveillance de la santé basée sur des capteurs corporels. L’état de l'art des communications optique sans fil dans les domaines infrarouge, visible et UV ainsi que l'analyse des systèmes liés à la santé utilisant cette technologie ont été fournis. Cela a permis de définir les objectifs et l'orientation de cette thèse. Nous avons étudié l'utilisation de la technologie infrarouge pour la transmission de données entre un capteur porté par un patient et des récepteurs situés aux coins d'un panneau d'éclairage central au plafond de l'environnement. Un lien en visible a été utilisé pour la transmission de données du luminaire vers le patient portant un smartphone équipé d'un décodeur. Les principaux défis étaient la robustesse des liens infrarouge et visible en ce qui concerne la mobilité du patient et l'impact du corps de l'utilisateur en raison de l'emplacement du capteur. Les simulations de canaux réalisées grâce à la technique de Ray-Tracing associée à la méthode de Monte-Carlo ont permis de déterminer le gain de canal qui est le paramètre principal représentant la performance. En raison de la mobilité du patient, l'analyse a été réalisée de manière statistique et en tenant compte de différents emplacements du capteur sur le corps, de la cheville à l'épaule. Les paramètres physiques et géométriques optimaux relatifs aux émetteurs et aux récepteurs afin de garantir les meilleures performances ont été déduites. Il a été démontré qu’il est essentiel de modéliser la présence du corps pour les deux liaisons montante et descendante. Les performances globales du système ont mis en évidence le potentiel des transmissions sans fil entièrement optiques pour la surveillance médicale basée sur des capteurs corporels. Cela a été en partie confirmé par des expérimentations menées à partir de prototypes de capteur communicant en infrarouge et de produits commerciaux pour la liaison en visibleThis thesis is focused on the field of indoor optical wireless communication for health monitoring based on body sensors. The state of the art of optical wireless in the infrared, visible and UV domains as well as the analysis of health related systems using this technology have been provided. This helped to define the objectives and orientations of this thesis. We have studied the use of infrared technology for data transmission between a sensor worn by a patient and receivers located at the corners of a central lighting panel at the ceiling of the environment. A link in visible was used for the transmission of data from the luminaire to the patient carrying a smartphone equipped with a decoder. The main challenges were the robustness of the infrared and visible links with regard to patient mobility and the impact of the user's body due to the location of the sensor. The channel simulations performed using the Ray-Tracing technique associated with the Monte-Carlo method allowed determining the channel gain, which is the main parameter representing the performance. Due to the patient mobility, the analysis was performed statistically and taking into account different locations of the sensor on the body, from the ankle to the shoulder. The optimal physical and geometrical parameters for transmitters and receivers to ensure the best performance have been deduced. It has been shown that it is essential to model the presence of the body for both uplink and downlink. The overall performance of the system has highlighted the potential of fully optical wireless transmissions for medical surveillance based on body sensors. This has been partly confirmed by experiments carried out from infrared communicating sensor prototypes and commercial products for the visible link
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Myint, Cho Zin. "A new electronic device for measuring pulse and oxygen concentration." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1788.
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Sensor devices such as pulse oximetry are practical tools used by most healthcare professionals, and even patients. An electronic sensor device that has the capability to measure physiological signs of saturation of arterial oxygen (SpO2) and heart beat rate of the human body has been developed in this study.The hardware design of the sensor device consists of a microcontroller PIC18F452, an external flash memory, and a transceiver unit. The most suitable sensors of red and infra red LEDs are installed on the arms of the plastic clip and functioned with the right resistor values. The red and infra red lights are detected by the photo diode and converted to digital numbers by the Assembly Language software program embedded into the microcontroller PIC18LF452. Those digital numbers are converted to SpO2 value in percentage level. A low power dual operational amplifier LM358 is used to amplify the current signal of the two lights, which depends on the intensity and visibility of the two lights. The output signals are displayed in 16 characters and 2 lines on Hitachi HD44870 compatible liquid crystal display (LCD). In order to display this data on personal computer (PC) monitor, the data is also transmitted via Universal Synchronous Asynchronous Receiver Transmitter (USART) ports of microcontroller to a PC. A Visual Basic 6 programming language is installed in the PC to display the wave forms, the percentage of the SpO2 level, and the pulse rate.Pulse oximetry has a promising future in the healthcare industry. This research enables a more efficient and economical means for managing the healthcare of the growing population.
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Belletti, Francesco. "Soluzioni wireless low power per nodi sensori miniaturizzati." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15659/.
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Uno degli aspetti potenzialmente più rivoluzionari nel settore sanitario è l'applicazione delle Wireless Sensor Networks (WSN), ovvero un insieme di dispositivi elettronici autonomi in grado di prelevare dati dall'ambiente circostante e di interagire tra loro tramite protocolli di comunicazione wireless.
Un'introduzione a queste reti è presente nella prima parte dell'elaborato, con particolare attenzione ai possibili impieghi in ambito medico.
In seguito, vengono presi come riferimento dell'analisi i sensori impiantabili direttamente su protesi, per monitorare lo spostamento oppure l'effettiva realizzazione di un impianto e, come oggetto di studio, la trasmissione dei dati dal sensore interno al corpo verso l'esterno, finalizzato alla riduzione dei cablaggi rivolti al paziente nella misura di determinati segnali fisiologici.
Obiettivo di questo elaborato è lo studio di due protocolli di comunicazione wireless che utilizzano onde radio come mezzo trasmissivo: Near Field Communication e Bluetooth Low Energy.
Infine, vengono analizzate le prestazioni, prendendo in esame principalmente i consumi energetici e le dimensioni delle possibili soluzioni offerte dal mercato.
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Horn, Jacqueline Marie. "Design of a Wearable Flexible Resonant Body Temperature Sensor with Inkjet-Printing." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1703340/.
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A wearable body temperature sensor would allow for early detection of fever or infection, as well as frequent and accurate hassle-free recording. This thesis explores the design of a body-temperature-sensing device inkjet-printed on a flexible substrate. All structures were first modeled by first-principles, theoretical calculations, and then simulated in HFSS. A variety of planar square inductor geometries were studied before selecting an optimal design. The designs were fabricated using multiple techniques and compared to the simulation results. It was determined that inductance must be carefully measured and documented to ensure good functionality. The same is true for parallel-plate and interdigitated capacitors. While inductance remains relatively constant with temperature, the capacitance of the device with a temperature-sensitive dielectric layer will result in a shift in the resonant frequency as environmental or ambient temperature changes. This resonant frequency can be wirelessly detected, with no battery required for the sensing device, from which the temperature can be deduced. From this work, the optimized version of the design comprises of conductive silver in with a temperature-sensitive graphene oxide layer, intended for inkjet-printing on flexible polyimide substrates. Graphene oxide demonstrates a high dielectric permittivity with good sensing capabilities and high accuracy. This work pushes the state-of-the-art in applying these novel materials and techniques to enable flexible body temperature sensors for future biomedical applications.
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Ferreira, Gonzalez Javier. "Textile-enabled Bioimpedance Instrumentation for Personalised Health Monitoring Applications." Licentiate thesis, KTH, Medicinska sensorer, signaler och system (MSSS), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-120373.
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A growing number of factors, including the costs, technological advancements, an ageing population, and medical errors are leading industrialised countries to invest in research on alternative solutions to improving their health care systems and increasing patients’ life quality. Personal Health System (PHS) solutions envision the use of information and communication technologies that enable a paradigm shift from the traditional hospital-centred healthcare delivery model toward a preventive and person-centred approach. PHS offers the means to follow patient health using wearable, portable or implantable systems that offer ubiquitous, unobtrusive bio-data acquisition, allowing remote access to patient status and treatment monitoring. Electrical Bioimpedance (EBI) technology is a non-invasive, quick and relatively affordable technique that can be used for assessing and monitoring different health conditions, e.g., body composition assessments for nutrition. EBI technology combined with state-of-the-art advances in sensor and textile technology are fostering the implementation of wearable bioimpedance monitors that use functional garments for the implementation of personalised healthcare applications. This research studies the development of a portable EBI spectrometer that can use dry textile electrodes for the assessment of body composition for the purposes of clinical uses. The portable bioimpedance monitor has been developed using the latest advances in system-on-chip technology for bioimpedance spectroscopy instrumentation. The obtained portable spectrometer has been validated against commercial spectrometer that performs total body composition assessment using functional textrode garments. The development of a portable Bioimpedance spectrometer using functional garments and dry textile electrodes for body composition assessment has been shown to be a feasible option. The availability of such measurement systems bring closer the real implementation of personalised healthcare systems.QC 20130405
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Shaban, Heba Ahmed. "A Novel Highly Accurate Wireless Wearable Human Locomotion Tracking and Gait Analysis System via UWB Radios." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/27562.
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Gait analysis is the systematic study of human walking. Clinical gait analysis is the process by which quantitative information is collected for the assessment and decision-making of any gait disorder. Although observational gait analysis is the therapistâ s primary clinical tool for describing the quality of a patientâ s walking pattern, it can be very unreliable. Modern gait analysis is facilitated through the use of specialized equipment. Currently, accurate gait analysis requires dedicated laboratories with complex settings and highly skilled operators. Wearable locomotion tracking systems are available, but they are not sufficiently accurate for clinical gait analysis. At the same time, wireless healthcare is evolving. Particularly, ultra wideband (UWB) is a promising technology that has the potential for accurate ranging and positioning in dense multi-path environments. Moreover, impulse-radio UWB (IR-UWB) is suitable for low-power and low-cost implementation, which makes it an attractive candidate for wearable, low-cost, and battery-powered health monitoring systems. The goal of this research is to propose and investigate a full-body wireless wearable human locomotion tracking system using UWB radios. Ultimately, the proposed system should be capable of distinguishing between normal and abnormal gait, making it suitable for accurate clinical gait analysis.Ph. D.
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Rodrigues, Filho Roberto Vito. "Um simulador para arquitetura de redes de sensores do corpo humano baseado na plataforma SHIMMER." Universidade Federal de Goiás, 2013. http://repositorio.bc.ufg.br/tede/handle/tede/3743.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
Body Sensor Networks (BSN) are a technology used to supply individual’s vital signs to ubiquitous and pervasive systems. This systems applied to the healthcare area uses BSN to monitor patient’s vital signs remotely, that is without them being in a hospital environment. This technology applied as a base to this application assists healthcare professional to remotely monitor patients, which contribute to solve healthcare services problems. One of those problems is the crowded treatments centers. The usage of BSN, by conditioning remote monitoring, can colaborate to reduce the patients’ needs to consistently go to hospitals, thus contributing to reduce the number of patients in those environments. Given this tecnology potential comes the need to develop good quality applications. However, considering an analysis of BSN projects applied to the healthcare field, the usage of inadequated hardware platforms are noticed. Therefore aiming to make the development of this type of applications easier, it is proposed a simulator specific for BSN applied to the healthcare field. Hence, this work’s goal is to show this application simulator through the usage of a simulated hardware platform which takes intoconsiderationhealthcare demands to provide a test environment.
As Redes de Sensores do Corpo Humano (RSCH) são uma tecnologia utilizada para o fornecimento de sinais vitais de um indivíduo para sistemas pervasivos. Esses sistemas aplicados à área da saúde utilizam as RSCH para o monitoramento de sinais vitais de um paciente de forma remota, sem que o mesmo tenha que estar em um ambiente hospitalar. Essa tecnologia usada como base dessas aplicações, auxiliam os profissionais da saúde no monitoramento de pacientes à distância, ajudando a resolver problemas na prestação de serviço de saúde. Um desses problemas é a lotação dos centros de atendimento. A utilização das RSCH, por condicionar o monitoramento remoto, colabora na redução da necessidadeconstantedaidadopacienteaoshospitais,contribuindoassimcomaredução da lotação nesses ambientes. Com o potencial dessa tecnologia surge a necessidade de desenvolver aplicações de qualidade. Entretanto, considerando uma análise dos projetos de RSCH aplicados à área da saúde, nota-se a realização de testes em ambientes e plataformas de hardware inadequados. Dessa forma, visando facilitar o desenvolvimento deaplicaçõesnestaárea,épropostoumsimuladorespecíficoparaRSCHaplicadasàárea dasaúde.Assim,oobjetivodestetrabalhoémostraressesimuladordeaplicaçõesatravés da utilização de uma plataforma simulada de hardware, a qual leva em consideração as demandas da área médica, para prover um ambiente de testes.
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Okcan, Alper. "Automatic Acquisition And Use Of Multimodal Medical Device Observations Based On Iso/ieee 11073 And Hl7 Standards." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608462/index.pdf.
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The delivery of quality healthcare to all citizens at reasonable costs is an important challenge. With the increase in the aging population, the costs of managing chronic diseases increase. Today, healthcare services tend to shift from recovery to prevention. Remote healthcare monitoring is crucial for prevention and monitoring of chronic diseases since they require continuous and long-term monitoring. The advances in networking, mobile communications and medical device technologies offer a great potential to realize remote healthcare monitoring. However, seamless integration of multi-modal medical devices to the existing healthcare information systems is necessary for the automated use of medical device observations in related applications.
The thesis addresses the automatic acquisition and use of multi-modal medical device observations in healthcare information systems. The interoperability of medical devices with healthcare information systems requires both physical connectivity and application level interoperability. Therefore, the thesis concentrates on both the medical device domain and the interoperability efforts on the existing healthcare information systems. It provides an interoperability solution based on ISO/IEEE 11073 and HL7 standards. This work is also realized the automatic acquisition and use of multi-modal medical device observations in an intelligent healthcare monitoring and decision support system which is developed as a part of the IST-027074 SAPHIRE project funded by the European Commission.
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Ball, Stephen. "Investigating telemonitoring technologies for the detection of activities and the application of BLE in smart homes for elderly independent living." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/123510/1/Stephen%20Ball%20Thesis.pdf.
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Due to the rise in the elderly population and the prevalence of chronic diseases, healthcare organizations around the world are faced with an economic burden which will continue to grow. For this reason there is an urgent demand to reduce the intake of elders in hospitals and nursing homes by allowing them to live independently for greater lengths of time. In response to this demand, researchers are strongly focusing on 'telemonitoring', which is the use of information technology (IT) to monitor the health status of an individual from a remote location (e.g. their home).
The first aim of this thesis was to investigate how telemonitoring technologies can detect elderly activities for health assessment purposes. To assess a patient's health status holistically, a wide variety of factors needed be considered by practitioners. Currently many telemonitoring technologies in research have addressed these factors/assessments by monitoring elderly activities. However based on the literature reviews, researchers have not been able to develop a comprehensive understanding of how these technologies support each assessment.
Therefore the first contribution in chapter 3 of this thesis addresses this gap. A literature review was conducted where 215 telemonitoring technologies were identified from 82 papers, published between 2000 and 2016. Six assessments which involve monitoring of activities were identified as (1) mobility, (2) nutrition, (3) safety, (4) cognitive, (5) social, and (6) routine. All included technologies were categorized into six tables according to the assessment that they supported. From assessing the contents of these tables, it was found that a significant portion of ITs relate to mobility, nutritional, safety and routine assessments. Many of the studies were found to assess technologies inside of laboratory setting and still require improvement before they are suited for real world application. It also found that many of the technologies were not equipped with wireless communication.
In recent years recently have been focusing been integrating wireless sensing technology into telemonitoring applications. Many of these wireless technologies are small, unobtrusive, and usually need to be powered by small batteries (e.g. coin cell) which have limited capacity. For this reason, researchers have had difficulties prolonging battery life to a duration that is practical. However the recent release of Bluetooth Low Energy (BLE) has the potential of resolving this issue due to its power saving qualities.
The 2nd aim of this thesis is to assess the performance of Bluetooth Low Energy (BLE) in telemonitoring frameworks using advertising mode. Advertising mode is often used for device discovery purposes, however it can also be used to send context data without the need for device connection establishment. This method has received little investigation from researchers and yet it has the potential of offering advantages such as reduction in power consumption and manufacturing costs. Therefore in this thesis, the performance of BLE advertising mode was used within two telemonitoring applications.
Firstly, a new device called 'BLUESOUND' is proposed. The device uses ultrasound sensing technology which can efficiently differentiate multiple residents in a home environment based on their height. The device consists of three sensing/communication modules: A Passive Infrared (PIR) occupancy module, an ultrasound array module and a BLE communication module. The PIR occupancy module is used to detect walking direction, while the ultrasound array measures the resident's height. The combination of these two technologies can also be used to detect a resident's velocity. BLE advertising mode is used to communicate acquired data to a smart phone gateway/database. A new embedded algorithm was able to increase the energy efficiency of the identification technology. Comprehensive modelling and experimentation was undertaken to assess the performance the BLUESOUND device. The BLUESOUND device was able to distinguish between multiple resident identities by measuring height accurately.
Currently researchers have developed various wearable ECG monitors as there is a demand to detect the onset of cardiac disease earlier in the elderly population. However most of these devices have only lasted a couple of days on a coin cell battery which is not practical. Therefore the performance of BLE advertising mode was explored using a virtual BLE based ECG model in MATLAB. To further minimize power consumption, an ECG extraction technique (based on the 'So and Chan' algorithm [1]) was used in the model to extract some of the most significant points on the signal. Based on three simulation trails, ECG data was transferred to a scanning device with high accuracy (average of 99.62%). It was estimated that the virtual system is approximately 13 times more energy efficient compared to sending ECG stream data continuously when a connection is established.
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Bourennane, Walid. "Étude et conception d’un système de télésurveillance et de détection de situations critiques "par suivi actimétrique" des personnes à risques en milieu indoor et outdoor." Thesis, Toulouse 2, 2013. http://www.theses.fr/2013TOU20072.
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Le vieillissement rapide de la population implique une évolution du système de soins pour prendre en charge les personnes dépendantes dont la proportion ne cesse de croître. Une option possible est de développer et de mettre en œuvre une technologie d’assistance à domicile. Ce travail de thèse consiste à concevoir et à expérimenter des solutions de « surveillance » multicapteurs : déploiement de capteurs dans l’environnement réel du patient, fusion multisensorielle et algorithmes de diagnostics automatiques, afin d’assurer la sécurité des personnes mais également d’aider les professionnels de santé à maintenir la qualité du suivi et des soins. Ce manuscrit présente à travers une étude bibliographique, un état des connaissances et des pratiques sur les systèmes d’analyse des activités des personnes âgées. Ensuite, il détaille l’étape de conception du système de surveillance retenu et selon une approche fonctionnelle présente l’architecture matérielle et logicielle mise en œuvre pour répondre aux spécifications établies. Deux projets sont issus de ce travail : 1) Le projet Homecare qui vise à expérimenter et à qualifier, au niveau opérationnel, un système complet de Télésurveillance pour les personnes âgées atteintes de la maladie d'Alzheimer. 2) Le projet BéA qui est plutôt orienté sur la surveillance « outdoor » pour des personnes valides mais fragiles : Notre contribution a concerné la mise en place d’une architecture système qui intègre un algorithme auto-adaptatif de détection et de modélisation des déambulations par tranche horaire. Enfin, les pistes d’un modèle économique qui définit les options offertes, aujourd’hui, au déploiement de ce type de systèmes sont discutéesThe aging of the population implies an evolution of the healthcare systems, in order to take over dependent people whose proportion is growing. A possible solution is to develop and implement a home care technology. In this context, this PhD work consist to design and test a multisensory monitoring system: deployment of sensors in patient environment, sensory data fusion and automatic diagnostic algorithms, in order allowing patients to live in better safety conditions and helping health professionals to give better care quality. This manuscript presents, in the beginning, the problematic of elderly care and the state of knowledge and practices of activity analysis systems for elderly, through a literature review. Then, it describes the design step of monitoring system according to a functional approach. This approach presents the implemented hardware and software architecture in order to satisfy established specifications. We worked on two projects: 1) Homecare System aims to experiment and validate the good working of a remote monitoring system for elderly (or disabled) suffering from Alzheimer's disease. 2) BéA System (Bracelet Electronique d’Autonomie) is oriented to outdoor monitoring of able-bodied people but frail: Our contribution is to implement a system architecture which integrates a self-adaptive algorithm for detecting and modelling wandering by day-part. For these two projects, we present the results and make a first experience feedback. Finally, we propose a potential economic model that defines the available options that allow, today, the deployment these types of system
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Gaszczyk, Dariusz. "Wearable Assistant For Monitoring Solitary People." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-14592.
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Master Thesis presents the system consisting of software and components of Arduinoplatform along with modules compatible with it, intended for use indoor. The device fulfils thefollowing requirements which are: to ensure privacy preservation, low energy consumptionand the wireless nature. This thesis reports the development of a prototype that would ensure step detection,posture detection, indoor localization, tumble detection and heart rate detection using themicrocontroller, AltIMU-10 v4 module, heart rate monitor, WiFi module and battery. Veryimportant part of the thesis is algorithm, which uses comparison function. Thanks to thewireless nature of a prototype, the system collects data regardless of an environment and sendthem directly to every device supported by Microsoft Windows platform, Linux platform orOS X platform, which are monitored by the supervisor, who takes care of the solitary person. The main contributions of the prototype are: indoor localization, identification andclassification of occurring situations and monitoring vital signs of the solitary person. To ensure indoor localization the prototype must collect data from accelerometer. Ofcourse data from AltIMU-10 v4 module in basic form are useless for the supervisor, so thealgorithm, using by the prototype, is programmed to processing and filtering it. Algorithm is also used to identification and classification occurring situations. Datafrom accelerometer are processed by it and compared with the created pattern. Monitoring vital signs of the solitary person are more complicated function, because itrequires not only data from accelerometer, but also from heart rate monitor. This sensor isusing to the analyzing condition of the patient when dangerous situation occurs.
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Ferrigo, Samuel Francisco. "Momicare: um middleware móvel para smartphones para gerenciamento de uma rede de sensores sem fio corporais." Universidade do Vale do Rio dos Sinos, 2017. http://www.repositorio.jesuita.org.br/handle/UNISINOS/6631.
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A Internet das Coisas, ou simplesmente IoT, apresenta inúmeras soluções para a área da saúde. Diversos sensores podem ser colocados ao redor do corpo humano para monitoramento de seus sinais vitais e, a partir disso, prever problemas de saúde. Gerenciar esses sensores apresenta uma série de desafios que não são resolvidos pelos trabalhos relacionados pesquisados, como a busca pela eficiência energética na transmissão de dados, a segurança, a interoperabilidade e sincronização entre sensores que formam uma rede de sensores sem fio corporais. Uma solução para estes problemas é apresentada pelo modelo MOMICARE, um middleware móvel para smartphones para gerenciamento de uma rede de sensores sem fio corporais. O MOMICARE permite que um smartphone receba dados de diversos sensores, armazene-os e retransmita-os às aplicações médicas que necessitem usar esses dados, oferecendo baixo consumo de energia, segurança, independência de protocolos de redes de sensores sem fios e sincronismo entre os dados coletados pelos sensores. As principais contribuições científicas deste trabalho são a redução do consumo energético de dispositivos que formam uma rede Wireless Body Area Network, e o oferecimento de um sincronismo temporal entre os dados desses dispositivos. O modelo foi analisado por meio da implementação de um protótipo e um ambiente de simulação, onde foram realizadas avaliações de: (1) consumo de energia dos dispositivos da rede Wireless Body Area Network, (2) sincronização entre os dispositivos e o middleware, e (3) carga sobre o dispositivo onde o protótipo foi executado, considerando o uso de diversas aplicações simultâneas. Como resultados obtidos, verificou-se que, em dispositivos Bluetooth Low Energy, a redução no consumo de energia superou 10% em relação a aplicações convencionais, enquanto que em dispositivos padrão IEEE 802.15.4 a redução no consumo energético chegou a até 7,8%, quando comparado ao uso de aplicações convencionais. Outro resultado obtido foi a variação de sincronização inferior a 0,5 segundos, valores aceitáveis no que diz respeito a dispositivos médicos. Por fim, em todos os testes realizados, não foi verificado qualquer tipo de sobrecarga, sendo que a média de uso do processador apresentou valores médios inferiores a 1%.
The Internet of Things, or simply IoT, presents numerous solutions for the health area. Several sensors can be placed around the human body to monitor your vital signs and, from there, predict health problems. Managing these sensors presents a number of challenges that are not resolved by related research, such as the search for energy efficiency in data transmission, security, interoperability and synchronization between sensors that form a network of wireless body sensors. One solution to these problems is presented by the MOMICARE model, a mobile middleware for smartphones for managing a network of wireless body sensors. MOMICARE allows a smartphone to receive data from multiple sensors, store and re-transmit it to medical applications that need to use that data, offering low power consumption, security, wireless sensor network protocol independence and synchronization between data collected by sensors. The main scientific contributions of this work are the reduction of the energy consumption of devices that form a Wireless Body Area Network, and the offer of a temporal synchronism between the data of these devices. The model was analyzed through the implementation of a prototype and simulation environment, where evaluations were made of: (1) energy consumption ofWireless Body Area Network devices, (2) synchronization between devices and middleware, and 3) load on the device where the prototype was executed, considering the use of several simultaneous applications. As results obtained, it has been found that in Bluetooth Low Energy devices, the reduction in energy consumption exceeded 10% compared to conventional applications, whereas in standard devices IEEE 802.15.4 reduction in energy consumption reached up to 7.8%, when compared to the use of conventional applications. Another result obtained was the synchronization variation less than 0.5 seconds, acceptable values with respect to medical devices. Finally, in all the tests performed, no type of overload was verified, and the average use of the processor presented average values lower than 1%.