Littérature scientifique sur le sujet « Chutes (accidents) – Chez la personne âgée – Télédétection »
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Thèses sur le sujet "Chutes (accidents) – Chez la personne âgée – Télédétection"
Dubois, Amandine. « Mesure de la fragilité et détection de chutes pour le maintien à domicile des personnes âgées ». Electronic Thesis or Diss., Université de Lorraine, 2014. http://www.theses.fr/2014LORR0095.
Texte intégralPopulation ageing is a major issue for society in the next years, especially because of the increase of dependent people. The limits in specialized institutes capacity and the wish of the elderly to stay at home as long as possible explain a growing need for new specific at home services. Technologies can help securing the person at home by detecting falls. They can also help in the evaluation of the frailty for preventing future accidents. This work concerns the development of low cost ambient systems for helping the stay at home of elderly. Depth cameras allow analysing in real time the displacement of the person. We show that it is possible to recognize the activity of the person and to measure gait parameters from the analysis of simple feature extracted from depth images. Activity recognition is based on Hidden Markov Models and allows detecting at risk behaviours and falls. When the person is walking, the analysis of the trajectory of her centre of mass allows measuring gait parameters that can be used for frailty evaluation. This work is based on laboratory experimentations for the acquisition of data used for models training and for the evaluation of the results. We show that some of the developed Hidden Markov Models are robust enough for classifying the activities. We also evaluate de precision of the gait parameters measurement in comparison to the measures provided by an actimetric carpet. We believe that such a system could be installed in the home of the elderly because it relies on a local processing of the depth images. It would be able to provide daily information on the person activity and on the evolution of her gait parameters that are useful for securing her and evaluating her frailty
Fayad, Moustafa. « Health care platform development based on multimedia sensors ». Electronic Thesis or Diss., Université Paris Cité, 2021. http://www.theses.fr/2021UNIP5204.
Texte intégralAll countries are facing significant demographic changes on an unprecedented scale. Seniors are the fastest-growing segment of the world's population. It increases dependent and vulnerable older adults marked by loss of autonomy and chronic illness. These complications increase mortality and morbidity rates in our societies. In recent years, the socio-economic consequences on seniors and their families and the high prices in specialized accommodation establishments have drawn attention to home support by using new reliable and inexpensive technologies. However, developing a critical healthcare system for the elderly is a real challenge that can only be met by ensuring reliability and high performance. Within the framework of the future health care system named Family Heroes, we are interested in this thesis in its reliability and safety. Thus, we studied the automatic detection of falls using the Kinect camera. More precisely, we have proposed a methodology combining the CATWOE method and UML notions to analyze and model our system. We have shown the steps to take to consider system requirements and constraints in the development process effectively. Thus, we used the MARTE concepts to face the time constraints in the modeling phase. Then, to ensure the reliability of our system, we proposed a formal verification approach based on the UML / MARTE models presented in the modeling stage. We modeled them with timed automata and deployed the UPPAAL model checker to specify and verify properties. To ensure the security of our system, we have presented a formal approach to deal with cyber-attack issues that may arise in the Family Heroes system. Thus, we adopted a scenario of cyberattacks linked to this context and proposed reconfiguring our system to face cyberattacks. In addition, formal verification has been proposed to ensure the reliability of the proposed solution. The results showed the respect of the properties (No deadlock, accessibility, security, and liveliness) in Family Heroes.For automatic fall detection, we used the multimedia sensor of Kinect technology. We have proposed a new approach based on thresholds that analyzes the variation in height, the angles of the upper body during the cycle of movement, and the person's inactivity on the ground. In addition, we have proposed a new lightweight model based on Deep Learning LSTM using geometric features. This lightweight model is designed to work on limited devices like the Raspberry Pi. The results are very promising
Dumas, Eric. « Prévention de la récidive des chutes de la personne âgée : étude interventionnelle menée en service de court séjour gériatrique au Centre Henri Choussat de Bordeaux ». Bordeaux 2, 2000. http://www.theses.fr/2000BOR2M095.
Texte intégralSaboune, Jamal. « Développement d'un système passif de suivi 3D du mouvement humain par filtrage particulaire ». Phd thesis, Troyes, 2008. http://www.theses.fr/2008TROY0002.
Texte intégralThe main idea behind the PARAChute project is to reduce the number of falls in the elderly by preventing them. This thesis work which is a part of this project aims to develop a new non intrusive human gait analysis system which would be a component of a fall risk evaluation system. Many methods have been used to evaluate dynamic equilibrium of a person while walking. By studying these methods, we were able to identify some gait parameters which are pertinent for fall risk detection. All these methods previously used, are based on clinical tests, or on using wearable sensors. Thus, we opted to develop a new approach based on a completer marker less 3D human motion capture system. The new system we created uses video feeds, a virtual 3d body model and a novel particle filtering algorithm we developed. This algorithm reorganizes the model’s configurations search space in a efficient, optimal and deterministic way. In order to reduce the complexity of this algorithm, we also developed a factorized version of it, using a dynamic Bayesian network. In terms of quality of 3D reconstruction, the results of our method are satisfactory
Attoh, mensah Kouakou. « Risques de chutes et de troubles cognitifs consécutifs à la consommation de certains médicaments chez les seniors : approche translationnelle Psychotropic Polypharmacy in Adults 55 Years or Older : A Risk for Impaired Global Cognition, Executive Function, and Mobility Adverse Effects of Anticholinergic Drugs on Cognition and Mobility : Cutoff for Impairment in a Cross-Sectional Study in Young-Old and Old-Old Adults : Chronic tramadol administration impairs reversal learning in a touchscreen-based visual discrimination task in mice ». Thesis, Normandie, 2020. http://www.theses.fr/2020NORMC427.
Texte intégralPsychotropic drugs and drugs with anticholinergic properties (anti-muscarinics) have been associated with risks of falls and cognitive impairment in the elderly. Our work aimed at improving knowledge about the role of these drugs in gait and cognitive impairment. We first showed that daily consumption of 2 or more psychotropic drugs per day and / or only 1 drug with anticholinergic properties, regardless of its anticholinergic burden, is associated with impaired scores on gait and cognitive test in a population of seniors from the age of 55 years. With regard to drugs with anticholinergic properties, these adverse effects were more pronounced in people aged 75 years or older. Executive functions were the severely affected by these drugs consumption. We have also shown that among the most prescribed drugs with anticholinergic properties, the consumption of tramadol, a level 2 analgesic, was the most associated with harmful effects on gait and cognition. However, it is difficult to ascertain that these observed adverse effects are solely driven by the consumption of tramadol due to the polypharmacy in this population. To identify the drugs most at risk, animal studies, in which the administration of drugs can be controlled, may be of great interest. Hence, as a second step, we showed that the chronic administration of tramadol impairs executive functions as measured by cognitive flexibility in young adult mice. Altogether these results should alert physicians on the fact that it is crucial to reduce polypharmacy of psychotropic drugs as well as the prescription of all types of drugs with anticholinergic properties. Alternative treatments should be prioritized as soon as possible. With regard to tramadol, these results suggest the need to strengthen the measures taken recently to combat the misuse of this analgesic
Nguyen, Quang Vinh. « Contribution à l'étude de la physiologie de la chute du senior, application aux systèmes couplés pied-poignet ». Rennes 1, 2012. http://www.theses.fr/2012REN1E006.
Texte intégralCarette, Pierre. « Développement d’un programme multifactoriel de prévention à domicile des facteurs de risque de chute des personnes âgées : évaluation de l’efficacité du programme et de l’apport de la posturographie ». Poitiers, 2012. http://www.theses.fr/2012POIT1408.
Texte intégralIntroduction: Falls have become a major public health problem in industrialized countries with an ageing population. It has been estimated that one third of the population over 65 years experience one or more falls per year. Fall consequences may be traumatic, psychological, economical and/or social. It is well-known the aetiology of falling is multifactorial and falls risk factors are quite numerous. Therefore in other to be effective in prevention it would be logical to develop intervention that would include a multifactorial approach. In this context, it seems also reasonable to include postural control assessment in such program. Aim: To develop a multidisciplinary/multisensory intervention program to prevent falls in elderly subjects. Design, subjects and methods: Randomized intervention with a multidisciplinary/multisensory approach including assessment of postural control vs a control group in 80 elderly subjects living at home. The follow was for twelve months. The main criterion of judgment was the fall. Other criteria were the postural control and the quality of life. Results: After one year, a significant decrease in the number of fallers was detected in the group that followed the intervention program when compared with the control group (from xx to 19. 5% vs xx to 90% of fallers, respectively). Postural control and quality of life also significantly increased in the former group when compared with the latter one. Discussion/Conclusion: Our approach was effective and our multidisciplinary/multisensory and individualized prevention program should now be investigated on a larger scale (e. G. Multicentric study) to determine its global efficiency including economical aspects
Chaccour, Kabalan. « Elaborating the Actimetric Profile of Fall Sensitive Patients for Early Detection of Fall Incidents ». Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCA016/document.
Texte intégralGrowth is the normal change of the human body and getting old is inevitable to human race. As a result, elderly people are subject to many forms of diseases and dangers among which falls are considered very serious in terms of quality of life and socio-economic costs. But falls can be manageable. Health practitioners, scientists and researchers currently combine efforts to develop systems capable of detecting and predicting falls. In the context of fall prediction, the goal of this thesis is to elaborate the actimetric profile of fall sensitive patients to alert them from a potential fall. It mainly consists of developing a system capable of monitoring gait and balance parameters during their daily activities with minimum intrusiveness. These are usually assessed in clinical settings using high-cost tools. In our first contribution, we proposed a generic classification of fall-related systems based on their sensors deployment. These are classified as Wearable, Non-Wearable and Fusion Systems. Based on the generic classification, we proposed the WMFL v1.0 platform in our second contribution. WMFL fuses a Foot Wear Force Sensing device with an Ambient system using IR-sensing floor tiles. The platform can be deployed at homes or in clinics. It ensures an indoor-outdoor protection. In a third contribution, we proposed an early fall detection approach to determine the risk of falling by analyzing the displacement of the Center of Pressure projecting the amount of sway of the Center of Mass on the foot plantar surface. The method uses the spatio-temporal sliding window to alert the patient of a potential fall
Shaafi, Aymen. « Secured and trusted remote wireless health monitoring systems for assisted living of elderly people ». Electronic Thesis or Diss., Université Paris Cité, 2021. http://www.theses.fr/2021UNIP5208.
Texte intégralAging population is one of the key problems for the vast majority of many countries. The number of elderly people who suffer from multiple diseases and need continuous monitoring of their vital signs increases everyday, resulting in additional healthcare costs. Modern healthcare systems in geriatric medicine often require elderly presence at the hospital which conflict with their demand for independence and privacy. Recent developments on remote e-health monitoring, provides a wide range of solutions. However, most of the devices are designed for specific medical sensing and operate independently from each other. There is still a lack of integrated framework with high interoperability and continuous online monitoring support for further correlation analysis. This thesis is a step towards a remote, complete, and continuous data gathering system for elderly people with various types of health problems. Our research spirit is motivated by immediate demand in a secured and trusted remote wireless health monitoring System for assisted living Elderly people, combining various data sources. To create such a complete system we divide it into subsystems, in order to make it feasible and easy to implement, thus allowing us to update each subsystem individually in the future studies without affecting other integrated subsystems. The main focus is on a complete remote e-health monitoring system. The list of main contributions contains (1) propose a new approach for security of monitored devices and propose a solution to prevent MiTM attacks and reduce energy consumption, (2) we propose reliable fall detection,(3) investigating and developing a novel recognition method of daily activities for monitored elderly patient, (4) propose an approach to enhance the reliability of the system and to reduce false alarms and unnecessary interventions, (5) propose and develop a sign language to text converter algorithm using multi-sensor fusion analysis. As a result, we expect to provide a monitoring system with reliable accuracy in the detection of abnormal events, and raise an alarm upon detection of such events to seek help and assistance
Bassement, Jennifer. « Identification of fall-risk factors degradation using quality of balance measurements ». Thesis, Troyes, 2014. http://www.theses.fr/2014TROY0035/document.
Texte intégralFalls concern a third of the people aged over 65y and lead to the loss of functional ability. The detection of risks factors of falls is essential for early intervention. Six intrinsic risk factors of fall: vision, vestibular system, joint range of motion, leg muscle strength, joint proprioception and foot cutaneous proprioception were assessed with clinical tests before and after temporarily degradation. Standing balance was recorded on a force plate.From the force plate, 198 parameters of the centre of pressure displacement were computed. The parameters were used as variables to build neural network and logistic regression model for discriminating conditions. Feature selection analysis was performed to reduce the number of variables.Several models were built including 3 to 10 conditions. Models with 5 or less conditions appeared acceptable but better performance was found with models including 3 conditions. The best accuracy was 92% for a model including ankle range of motion, fatigue and vision contrast conditions. Qualities of balance parameters were able to diagnose impairments. However, the efficient models included only a few conditions. Models with more conditions could be built but would require a larger number of cases to reach high accuracy. The study showed that a neural network or a logistic model could be used for the diagnosis of balance impairments. Such a tool could seriously improve the prevention and rehabilitation practice
Livres sur le sujet "Chutes (accidents) – Chez la personne âgée – Télédétection"
Canada. Division du vieillissement et des aînés., dir. Chez soi en toute sécurité : Guide de sécurité domestique à l'intention des aînés. 2e éd. Ottawa, Ont : Santé Canada, 2003.
Trouver le texte intégralCanada. Santé Canada. Division du vieillissement et des aînés., dir. Healthy aging : prevention of unintentional injuries among seniors = : Vieillissement en santé : prévention des blessures non intentionnelles chez les aînés. Ottawa, Ont : Health Canada = Santé Canada, 2002.
Trouver le texte intégral1949-, Scott Victoria Janice, et F/P/T Committee of Officials (Seniors) for the Ministers Responsible for Seniors (Canada), dir. An inventory of Canadian programs for the prevention of falls & fall-related injuries among seniors living in the community. [Ottawa] : Minister of Public Works and Government Services Canada, 2001.
Trouver le texte intégralCanada, Canada Health, dir. Healthy aging. [Ottawa] : Health Canada, 2002.
Trouver le texte intégralFredrikson, Eric. How to avoid falling : A guide for active aging and independence. Buffalo, N.Y : Firefly Books, 2004.
Trouver le texte intégralFredrikson, Eric. How to avoid falling : A guide for active aging and independence. Buffalo, N.Y : Firefly, 2004.
Trouver le texte intégralFredrikson, Eric. How to avoid falling : A guide for active and aging seniors. Richmond Hill, Ont : Firefly Books, 2004.
Trouver le texte intégralFredrikson, Eric. How to avoid falling : A guide for active and aging seniors. Richmond Hill, Ont : Firefly Books, 2004.
Trouver le texte intégralAvoiding falls : A guidebook for certified nursing assistants. Clifton Park, NY : Thomson Delmar Learning, 2006.
Trouver le texte intégralFalls and Their Prevention an Issue of Clinics in Geriatric Medicine. W.B. Saunders Company, 2010.
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