Academic literature on the topic 'Respiratory investigations'

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Journal articles on the topic "Respiratory investigations"

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Qüdrət qızı Orucova, Elza, Lalə İslah qızı Rüstəmova, Adilə Novruz qızı Ələsgərova, Gülnarə Aydın qızı Kərimova, and Fəridə Hafiz qızı Heydərova. "To study of antiviral activity of artemicia L. etheric oil in experimental model." SCIENTIFIC WORK 75, no. 2 (February 18, 2022): 133–38. http://dx.doi.org/10.36719/2663-4619/75/133-138.

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Kəskin respirator virus infeksiyalarında terapevtik məqsədlər üçün bitki mənşəli yeni dərman vasitələrinin aparılması eksperimental təbabətin əsas istiqamətlərindən biridir. Bu tədqiqatın məqsədi eksperimental modeldə Artemicia L. efir yağının antiviral fəaliyyətini öyrənməkdir. Bu məqsədlə immunxromatoqrafiya üsulu ilə kəskin respirator infeksiya şübhəsi olan 202 xəstənin burun və burun-udlağın yaxmalarında bəzi respirator viruslar aşkar edilib. Tədqiqatların nəticələri göstərir ki, 2018-2019-cu illərdə Bakı şəhərində kəskin respirator virus infeksiyalarının törədicilərinin etioloji strukturlarında qopma tezliyindən asılı olaraq respirator sinsisial virus və respirator adenovirus üstünlük təşkil etmişdir (2,3%). Artemicia İssayevi Rzazade efir yağının antiviral aktivliyi 50-75%, Malabalia efir yağının antiviral aktivliyi təxminən 25% təşkil edir. Açar sözlər: kəskin respirator virus infeksiyaları, Artemisia L., Yovşan cinsi, Artemisia issayevi Rzazade, efir yağı,antivirus fəallıq, in vitro, immunxromatoqrafiya Elza Gudrat Orujova Lala Islah Rustamova Adila Novruz Alasgarova Gulnara Aydin Karimova Farida Hafiz Heydarova To study of antiviral activity of artemicia L. etheric oil in experimental model Summary The carrying out the new drug means of plant origin for terapeutical purpose in acute respiratory viral infections is an detual direction of experimental medicine. The aim of present investigation is to study of antiviral activity of Artemicia L. etheric oil in experimental model. For this purpose the nasal and nasopharyngeal smears of 202 patiens with suspicion for acute respiratory infection have been observed for some respiratory viruses by using the immunchromatography method. The results of investigations showes that in the etiological structures of agents of acute respiratory viral infections in Baku city during 2018-2019 years from depending of appedring frequency the respiratory sinsitsial virus and respiratory adenovirus have been dominate (2,3%). The antivirul activity of Artemicia issayevi Rzazade etheric oil was 50-75%, the antiviral activity of Malabalia etheric oil consist about 25%. Key words: the acute respiratory viral infections, Artemisia L., Artemisia issayevi Rzazade, etheric oil, antiviral activity, in vitro, immunochromatography
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Ivanova, L. A., M. N. Gorizontova, Yu V. Statsenko, I. V. Babenko, G. M. Vologzhanina, and O. V. Krupenina. "Complex laboratory investigations in occupational respiratory diseases." PULMONOLOGIYA, no. 4 (August 28, 2008): 26–30. http://dx.doi.org/10.18093/0869-0189-2008-0-4-26-30.

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Results of complex laboratory examination of 103 patients with dust related bronchitis caused by exposure of various industrial dusts, 22 patients with pneumoconiosis and 12 subjects not having respiratory pathology and not exposed to quartz dust or any other occupational hazards are presented in this article. Laboratory examination included morphological investigations of sputum and bronchial brush biopsy specimens, cytochemical characterization of bronchial ciliated epithelium and blood cells, and bacteriological and serological investigations of bronchial mucus. Our results demonstrated that morphological lesions of bronchial epithelium cells leading to their death followed cell dysfunction, disorders of enzyme activity, hypoxemia, predominance of Haemophilus influenzae in microflora, and significant inflammatory and allergic response in blood. These changes were found in different clinical stages of dust related bronchitis and pneumoconiosis. The findings obtained are of great importance for understanding pathogenic mechanisms of dust related lung diseases as well as from clinical point of view such as diagnosis and development of individual treatment strategies.
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LÖFSTRÖM, GUNNAR. "Investigations into Acute Infections of the Respiratory Tract." Acta Medica Scandinavica 130, no. 2 (April 24, 2009): 132–39. http://dx.doi.org/10.1111/j.0954-6820.1948.tb10050.x.

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Vries, E. de. "Immunological investigations in children with recurrent respiratory infections." Paediatric Respiratory Reviews 2, no. 1 (March 2001): 32–36. http://dx.doi.org/10.1053/prrv.2000.0099.

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Rustin, P., D. Chretien, T. Bourgeron, B. Gérard, A. Rötig, J. M. Saudubray, and A. Munnich. "Biochemical and molecular investigations in respiratory chain deficiencies." Clinica Chimica Acta 228, no. 1 (July 1994): 35–51. http://dx.doi.org/10.1016/0009-8981(94)90055-8.

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Ashrafizadeh, Amir, Shreya Mehta, Christopher B. Nahm, Matthew Doane, Jaswinder S. Samra, and Anubhav Mittal. "Preoperative cardiac and respiratory investigations do not predict cardio‐respiratory complications after pancreatectomy." ANZ Journal of Surgery 90, no. 1-2 (October 17, 2019): 97–102. http://dx.doi.org/10.1111/ans.15515.

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Sarkar, Shatanik, Chaitali Patra, Shibani Pal, and Arkapriya Pramanik. "Recurrent Respiratory Tract Infection in an infant: Early Diagnosis by Clinical and Radiological Pearls." Journal of Nepal Paediatric Society 41, no. 1 (April 24, 2021): 111–14. http://dx.doi.org/10.3126/jnps.v41i1.30250.

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Recurrent respiratory tract infections, a cause of concern for both parents and paediatricians, can have various etiologies entitled to different organ systems. Diagnosing the exact cause warrants both clinical acumen and timely investigations. Here, we are reporting an infant with recurrent respiratory tract infections, where adequate clinical examination prompted us to diagnose the extra-respiratory cause with simple investigations.
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Sharma, C., V. Nehra, D. Lather, Rajesh, A. Kumar, and G. Narang. "Investigations on respiratory affections in adult cattle in Haryana." Indian Journal of Veterinary Pathology 45, no. 2 (2021): 89–97. http://dx.doi.org/10.5958/0973-970x.2021.00017.1.

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Gillespie, S. H., C. L. Ling, K. Oravcova, M. Pinheiro, L. Wells, J. M. Bryant, T. D. McHugh, et al. "Genomic Investigations Unmask Mycoplasma amphoriforme, a New Respiratory Pathogen." Clinical Infectious Diseases 60, no. 3 (October 23, 2014): 381–88. http://dx.doi.org/10.1093/cid/ciu820.

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Schleihauf, Emily, Sumana Fathima, Janice Pettipas, Jason J. LeBlanc, Todd F. Hatchette, Steven J. Drews, and David Haldane. "Respiratory Outbreak Investigations: How Many Specimens Should Be Tested?" Infection Control & Hospital Epidemiology 36, no. 11 (July 16, 2015): 1344–47. http://dx.doi.org/10.1017/ice.2015.171.

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To determine the optimal number of specimens for virus detection in a respiratory outbreak, laboratory results from 2 Canadian public health laboratories were reviewed. The evidence suggests that 3 specimens are sufficient for detection of a virus in >95% of outbreaks, thereby reducing laboratory costs.Infect. Control Hosp. Epidemiol. 2015;36(11): 1344–1347
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Dissertations / Theses on the topic "Respiratory investigations"

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Blaza, James Nicholas. "Spectroscopic investigations of catalysis by respiratory complex I." Thesis, University of Cambridge, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708587.

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Darling, Katharine Elizabeth Anna. "Investigations of respiratory epithelial host defence against bacterial pathogens." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417941.

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Taylor, Claire Louise. "Biochemical investigations of defects of the mitochondrial respiratory chain." Thesis, University of Newcastle Upon Tyne, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.281706.

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Donne, Adam. "Investigations into recurrent respiratory papillomatosis and the evaluation of current therapy." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678786.

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Villiger, Carmel G. "Investigations into transient respiratory control using the work rate of breathing and a non-linear breather." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-02132009-170901/.

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Lotriet, Cornelius Jacob. "Investigations on the respiratory effects of ozone in the rodent / Cornelius Jacon Lotriet." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4650.

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Ozone, being an unstable molecule, is believed to be one of the strongest oxidant agents known to man. Rapid growth in the application of ozone — both as disinfectant and as form of alternative medicine — led to questions about the effects of uncontrolled ozone exposure and inhalation, whether intentional or unintentional, on the human body. This study specifically focussed on examining, identifying and substantiating the respiratory effect of acute exposure (10 min or less) to considerably higher ozone concentrations than reported on before (19.5 ± 0.5 ppm). Respiratory tissue of rodents (Duncan–Hartley guinea pigs of both sexes and Male Wistar rats) was subjected to ozone by utilising three distinctly diverse models of ozone introduction: (a) in vitro exposure, (b) in vivo exposure, and (c) ex vivo by employing an isolated lung perfusion model which allows for real–time, breath–by–breath data acquisition of ozone’s effect on respiratory mechanics. The effect of ozone on the isolated trachea in the presence of various drugs with well–known effects, including methacholine, isoproterenol and ascorbic acid was also examined. The results found in this study identified two direct effects on the isolated trachea due to ozone exposure: (1) a definite contraction of the isolated trachea immediately after exposure to ozone, and (2) a clearly visible and significant hyper responsiveness of the isolated trachea to irritants, e.g. methacholine. Although ozone has a negative effect on the trachea, it was concluded that ozone has no adverse effect on muscarinic acetylcholine receptors. An apparent EC50 value of ozone on the trachea was established by two different methods as (2.77 ± 0.02) x 10–3 M and (2.10 ± 0.03) x 10–3 M, respectively. Ozone furthermore displayed an attenuation of the beneficial pharmacological response of –sympathomimetic drugs (i.e. isoproterenol), while isoproterenol itself has a relaxing effect on the ozone–induced contraction of the isolated trachea. Indomethacin pre–treatment of isolated tracheal tissue significantly (77%) reduced the ozone–induced contraction of tracheal smooth muscle, suggesting that COXproducts of arachidonic acid play a prominent role in the development of pulmonary function decrements consequent to acute high–dose ozone exposure. Ascorbic acid exhibited a meaningful prophylactic effect on ozone–induced contraction of both isolated tracheal tissue and in the isolated lung perfusion model, emphasising the major role antioxidants play in both the epithelium lining fluid (ELF) of the respiratory system and in plasma throughout the body in protecting against the destructive effects of ozone. Surprisingly, pre–treatment with ascorbic acid did not prevent hyper responsiveness of isolated tracheal preparations to methacholine after a 10 min ozone (19.5 ± 0.5 ppm) exposure. In the lung perfusion model, the presence of ascorbic acid in the perfusion medium did, however, significantly reduce the magnitude and rate of decline in lung compliance after ozone exposure (46% decline with ascorbic acid versus 96% in the control study without ascorbic acid). Examination of a lung perfusion model exposed to ozone (19.5 ± 0.5 ppm O3; 5 seconds) presented a significant decline in lung compliance (95.6% within 2 min), tidal volume (70%) and maximum inspiratory flow (71.2%), with an ensuing reduction in lung elasticity and severely hampered breathing pattern. Microscopic examination after acute high–dose inhalation studies did not display any significant cellular damage, oedema or inflammation after acute high–dose ozone exposure. This suggests that significant cellular injury and inflammation is possibly not the causative factor of early breathing difficulty experienced after acute high–dose ozone inhalation, as these symptoms and particularly the result of inflammatory precursors, is believed to probably only set in at a later stage. Although the potential advantages of ozone in certain fields of medicine are not disputed, ozone, depending on its concentration and cumulative dose, can be either therapeutic or toxic. Observations in this study emphasised that even short bursts of high–dose ozone inhalation have deleterious effects on respiratory health and care should be taken not to jump to conclusions regarding ozone’s medical application without relevant scientific evidence. It must be stressed that high–dose inhalation of ozone should be avoided at all cost – especially by those with existing airway diseases.
Thesis (Ph.D. (Pharmacology))--North-West University, Potchefstroom Campus, 2011.
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Patel, Nimisha Bhanuprasad. "Investigations into the neurophysiological basis of respiratory perception in humans using transient inspiratory occlusions." Thesis, Keele University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491697.

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In humans breathing is an essential behaviour for life. It is recognized that humans and animals can perceive or sense their breathing, although the actual cortical and sub cortical structures by which this occurs remains unknown. The processing of sensations presumably arise from afferent information originating from mechanoreceptors within the muscles of the upper and lower airways, lungs and chest wall. This information is integrated by the central nervous system, which leads to a perception of respiratory sensations at th~ cortex, although the specific contnbutions of these sources remain unknown. In addition, distressing respiratory sensations such as breathlessness (dyspnoea) . and hyperinflation occur in individuals exhibiting pulmonary disease, such as asthma and chronic obstructive pulmonary disease (COPD). In response to these sensations, individuals can also voluntarily or behaviourally adjust their breathing. Hence, the aim of this thesis was to investigate: (i) the modulation of respiratory related sensory activity measured from the cortex in humans, using electroencephalography in response to applications of transient inspiratory occlusions (TIas) during hyperinflation, voluntary breathing and in tracheostomy patients' who lack an upper airway and (ii) the cortical and subcortical structures mediating the response to the TIO by using functional magnetic resonance imaging (fMRI). The results of these studies show that (i) voluntary breathing modulates respiratory perception, whereas perception is unaffected in tracheostomy patients and in hyperinflated states in response to TIas; and (ii) TIas can also generate cortical and sub cortical activity specifically activating sensory - motor structures including the, primary motor cortex, primary somatosensory cortex, supplementary motor area, inferior parietal areas, thalamus and cerebellum. In conclusion, respiratory perception (i) is altered by voluntary breathing; (ii) is unaffected .in hyperinflated and tracheostomized states; and (iii) can be investigated . using fMRl through the application of TIOs.
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Heraghty, Jane Lesley. "Investigations of respiratory muscle function in children with neuromuscular disease using a novel device." Thesis, University of Bristol, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.702155.

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In progressive neuromuscular diseases such as Duchenne muscular dystrophy (DMD), loss of respiratory muscle strength and endurance leads initially to nocturnal hypercapnia and then daytime respiratory failure. Non-invasive ventilation has improved quality of life and survival but requires overnight sleep assessments and there remains uncertainty about the optimal time to initiate non-invasive ventilation. The aim of this project was to develop a method to identify patients at high risk of nocturnal hypoventilation in a clinic-based setting. The main work was modifying and testing measurements made with a novel device, the respiratory muscle analyser (MicroRMA) that was developed to measure respiratory muscle endurance. The MicroRMA allowed incremental loading of the respiratory muscles after a pre determined number of breaths. The device calculated energy as a product of time, pressure and flow. Protocols were developed in healthy adults, then healthy children to produce a brief and tolerable 6-minute test of respiratory muscle endurance. Several protocols were tested and the outputs of the device compared. The main hypothesis was that children at high risk of nocturnal hypoventilation would be more likely to fail to complete a standardised test protocol or would adapt their respiration to use less cumulative energy to accomplish test completion. Children with neuromuscular weakness had a lower completion rate on some protocols but test failure was not associated with other markers of disease severity, including lower forced vital capacity or nocturnal hypercapnia. Similarly, in children completing the test protocol, no relationship between MicroRMA outputs and disease severity was detected. In addition, handgrip strength was also evaluated in DMD but lower strength was not related to worse nocturnal gas exchange. Finally, overnight oximetry was compared with oxicapnography but, using recommended threshold criteria, only identified half of the children with nocturnal hypercapnia. In conclusion, none of the tests evaluated were able to predict which children with neuromuscular weakness had nocturnal hypercapnia.
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Atkinson, Hilary A. C. "Investigations of the potential of inhaled xenobiotics to induce respiratory hypersensitivity reactions in the rat." Thesis, University of Surrey, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303227.

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Dasari, Paul Krupaker Reddy. "Characterization and Compensation of Hysteretic Cardiac Respiratory Motion in Myocardial Perfusion Studies Through MRI Investigations." Digital WPI, 2014. https://digitalcommons.wpi.edu/etd-dissertations/159.

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Respiratory motion causes artifacts and blurring of cardiac structures in reconstructed images of SPECT and PET cardiac studies. Hysteresis in respiratory motion causes the organs to move in distinct paths during inspiration and expiration. Current respiratory motion correction methods use a signal generated by tracking the motion of the abdomen during respiration to bin list- mode data as a function of the magnitude of this respiratory signal. They thereby fail to account for hysteretic motion. The goal of this research was to demonstrate the effects of hysteretic respiratory motion and the importance of its correction for different medical imaging techniques particularly SPECT and PET. This study describes a novel approach for detecting and correcting hysteresis in clinical SPECT and PET studies. From the combined use of MRI and a synchronized Visual Tracking System (VTS) in volunteers we developed hysteretic modeling using the Bouc-Wen model with inputs from measurements of both chest and abdomen respiratory motion. With the MRI determined heart motion as the truth in the volunteer studies we determined the Bouc Wen model could match the behavior over a range of hysteretic cycles. The proposed approach was validated through phantom simulations and applied to clinical SPECT studies.
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Books on the topic "Respiratory investigations"

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Bush, Andrew, and Jane C. Davies. Paediatric respiratory disease: Parenchymal diseases : an atlas of investigation and management. Oxford, UK: Clinical Pub., 2011.

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Blackwell, Malcolm Peter. Investigation of a biochemical marker of pulmonary eosinophil influx as a predictive assay for low molecular weight respiratory sensitisers. [Derby: University of Derby], 1999.

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Flannigan, B. Microorganisms in home and indoor work environments: Diversity, health impacts, investigation and control. 2nd ed. Boca Raton, FL: CRC Press, 2011.

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Microorganisms in home and indoor work environments: Diversity, health impacts, investigation, and control. 2nd ed. Boca Raton: Taylor & Francis, 2011.

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Herbert, Lara, and Bruce McCormick. Respiratory disease. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198719410.003.0005.

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This chapter describes the anaesthetic management of the patient with respiratory disease. It describes the assessment of respiratory function and preoperative respiratory investigations, and ventilatory strategies to reduce pulmonary complications. Common respiratory conditions covered include respiratory tract infection, smoking, asthma, chronic obstructive pulmonary disease, bronchiectasis, cystic fibrosis, obstructive sleep apnoea, sarcoidosis, restrictive pulmonary disease, and the patient with a transplanted lung. For each topic, preoperative investigation and optimization, treatment, and anaesthetic management are described. Recommendations for the patient who may require post-operative respiratory support (e.g. non-invasive ventilation) are provided.
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Herbert, Lara, and Bruce McCormick. Respiratory disease. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198719410.003.0005_update_001.

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This chapter describes the anaesthetic management of the patient with respiratory disease. It describes the assessment of respiratory function and preoperative respiratory investigations, and ventilatory strategies to reduce pulmonary complications. Common respiratory conditions covered include respiratory tract infection, smoking, asthma, chronic obstructive pulmonary disease, bronchiectasis, cystic fibrosis, obstructive sleep apnoea, sarcoidosis, restrictive pulmonary disease, and the patient with a transplanted lung. For each topic, preoperative investigation and optimization, treatment, and anaesthetic management are described. Recommendations for the patient who may require post-operative respiratory support (e.g. non-invasive ventilation) are provided.
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Crouch, Robert, Alan Charters, Mary Dawood, and Paula Bennett, eds. Respiratory emergencies. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199688869.003.0007.

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Respiratory problems are very common in emergency and urgent care settings. This chapter provides detailed guidance on how to assess a patient who presents with breathlessness. Appropriate investigations are identified, with suggested indications. The remainder of the chapter covers the nursing assessment, investigations, and initial management of a comprehensive list of respiratory problems, including injuries to the chest wall and lungs.
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Haldar, Pranabashis. Investigation in respiratory disease. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0127.

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Investigation in respiratory disease may be broadly classified as (1) tests that aid with diagnosis; (2) tests that assess disease severity—these are usually measures of respiratory function and inform prognosis; and (3) tests that assess disease activity—these are usually non-invasive biomarkers, enabling serial measurement, and may inform therapy. One of the challenges of respiratory medicine is the limited spectrum of clinical expression associated with a diverse spectrum of pathologies. Clinical symptoms in respiratory medicine are often of poor specificity for securing a diagnosis or assessing disease severity. Investigations, therefore, necessarily form a critical part of assessment. The most appropriate choice of investigation is an important component of clinical decision-making that affects patient care and may be influenced by a number of different questions that the clinician will need to consider.
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Jolly, Elaine, Andrew Fry, and Afzal Chaudhry, eds. Respiratory medicine. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199230457.003.0018.

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Chapter 18 covers the basic science and clinical topics relating to respiratory medicine which trainees are required to learn as part of their basic training and demonstrate in the MRCP. The chapter starts with an introduction to the respiratory system, before covering respiratory defence and physiology, respiratory investigations, respiratory failure, pneumonia, tuberculosis, cystic fibrosis, bronchiectasis, pleural effusion, chronic obstructive pulmonary Disease, adult respiratory distress syndrome, asthma , fungal lung diseases, pulmonary embolism , lung cancer, pulmonary fibrosis, extrinsic allergic alveolitis, occupational lung diseases, sarcoidosis, Cor pulmonale and pulmonary hypertension, pneumothorax, cough and haemoptysis, pulmonary eosinophilia, and obstructive sleep apnoea.
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Parker, Robert, Catherine Thomas, and Lesley Bennett, eds. Emergencies in Respiratory Medicine. Oxford University Press, 2007. http://dx.doi.org/10.1093/med/9780199202447.001.0001.

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Emergencies in Respiratory Medicine shows the user how to deal with emergency admissions to hospital through six sections: presentations, clinical scenarios, acute conditions, chronic conditions, practical and management issues, and investigations.
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Book chapters on the topic "Respiratory investigations"

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Smyth, Alan R., Conrad Bosman, and Janice Mighten. "Investigations." In Children's Respiratory Nursing, 25–40. West Sussex, UK: John Wiley & Sons, Ltd,., 2013. http://dx.doi.org/10.1002/9781118702680.ch4.

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Jariwalla, G. "Radiological investigations." In Respiratory Diseases, 42–52. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4880-8_3.

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Rügheimer, E. "Investigations of the Pathophysiology of the Pulmonary Microcirculation Using In-vivo Microscopy." In New Aspects on Respiratory Failure, 93–114. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-74943-8_11.

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Krishnan, B., and Satyen Parida. "Preoperative Evaluation and Investigations for Maxillofacial Surgery." In Oral and Maxillofacial Surgery for the Clinician, 11–24. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-1346-6_2.

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AbstractPatients undergoing oral and maxillofacial surgeries have unique perioperative considerations as the surgical field is in proximity to the airway and poses a challenge to the anesthesiologist in the matter of airway management. A well-structured preoperative evaluation plays a decisive role for the successful performance of the planned surgical intervention, as well as to overcome any challenges posed due to the pre-existing health condition of the patient. Each physiologic system can be adversely affected by associated comorbidities that may or may not have clinical importance for the surgeons. Thus, the effects of coexisting diseases on the cardiovascular, respiratory, gastrointestinal, renal, and endocrine systems may be significant. Moreover, to mitigate risks related to these associated comorbidities, as well as to the impact of surgery/anesthesia on the patient, specific risk reduction strategies for the entire perioperative period need to be implemented. Risk management and optimization strategies involve the rational use of adjunctive laboratory and imaging studies and professional opinions of consultants of other specialties. A team approach is critical in establishing a working framework of perioperative management that would be able to keep morbidity and mortality related to the maxillofacial surgery, to an absolute minimum.
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Ganesan, Kandasamy, and Neelam Rathod. "Maxillary Sinusitis." In Oral and Maxillofacial Surgery for the Clinician, 475–89. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-1346-6_23.

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AbstractMaxillary sinusitis is a debilitating condition for patients due to the proximity of this anatomical structure to the dentition, oropharynx and orbital cavity and thus of paramount consideration for the oral and maxillofacial clinician. The etiopathology, when not due to oral antral communication and thus often secondary to an upper respiratory tract infection, can be multifactorial. It is the result of a detailed clinical assessment with appropriate investigations that an accurate diagnosis attained. Management of symptoms is the first course of action and provides the greatest perceived relief for the patient. Surgical management has multidisciplinary overlap and each specialism should work in harmony in their respective fortes for an optimum outcome. This chapter provides a detailed overview of the pathophysiology, clinical presentation and management of patients presenting with suspected maxillary sinusitis in the absence of oral antral communication.
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Hellermann, Gary, and Shyam Mohapatra. "Respiratory Syncytial Virus." In Global Virology I - Identifying and Investigating Viral Diseases, 73–92. New York, NY: Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-2410-3_5.

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Müller, M., H. Weigt, R. Bälder, J. Freihorst, and A. Emmendörffer. "Influence of respiratory syncytial virus infection on the interaction of lung epithelial cells and alveolar macrophages. Investigations using a coculture system." In Ersatz- und Ergänzungsmethoden zu Tierversuchen, 453–54. Vienna: Springer Vienna, 2000. http://dx.doi.org/10.1007/978-3-7091-6760-1_96.

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Lamarra, Norman, Susan A. Ward, and Brian J. Whipp. "A General-Purpose Model for Investigating Dynamic Cardiopulmonary Responses During Exercise." In Respiratory Control, 155–64. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0529-3_17.

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Robinson, Terry, and Jane Scullion. "Respiratory investigations." In Oxford Handbook of Respiratory Nursing, 75–136. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198831815.003.0005.

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There are many investigations in respiratory medicine, ranging from basic tests to more invasive procedures. Respiratory investigations are the final pieces in the jigsaw to help respiratory nurses and nurse practitioners reach a diagnosis. Many nurses do not work in specialized respiratory units and will not have access to the most sophisticated investigations. However, all respiratory nurses should understand what tests are available, be aware of how the tests are performed, and of any preparation required before and after the test, so they can explain these procedures to their patients. This chapter offers an insight into the application of respiratory investigations and their role in specialized respiratory units.
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"Respiratory investigations." In Respiratory Care, 33–43. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315382067-4.

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Conference papers on the topic "Respiratory investigations"

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Baginski, L., G. Tachon, and C. Ehrhardt. "Investigations on Peptidases Expression Pattern in Respiratory Epithelial Cells." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a4969.

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Castelli, Jonathan, Florian Kolbl, Ricardo Siu, Gilles N'Kaoua, Yannick Bornat, Ashwin Mangalore, Brian Hillen, et al. "An IC-based controllable stimulator for respiratory muscle stimulation investigations." In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2017. http://dx.doi.org/10.1109/embc.2017.8037236.

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Taherian, S., H. R. Rahai, and Tom Waddington. "CFD Analysis of a Human Lung." In ASME 2010 5th Frontiers in Biomedical Devices Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/biomed2010-32068.

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Understanding the characteristic of airflow, and the amount of particle deposition in different sections of respiratory system provides information for treatment procedures and processes. Results of preliminary numerical investigations for development of a system of image transfer and simulation to identify patient specific respiratory problem are presented. The system is a non-intrusive approach for evaluation of central airway diseases which could also be used for development of methods for reviving and recovery of damaged lung, especially at the onset of respiratory problems.
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Au, P. M., and A. M. Al-Jumaily. "Free Vibrations of a Branched Structure as Applied to the Respiratory System." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41770.

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The vibration characteristics of a branched thin circular cylindrical shell structure, which resembles the respiratory system tree, are determined using membrane shell theory. Since there is no previous published data in this regard, the finite element method is used to justify the analytical results. The human airways are of a simple tree pattern but complex in physical structure. However, they should behave just like most mechanical parts that have their own natural frequencies in response to external excitation. Investigations are performed from the trachea down to the sixteenth generation. There is a good agreement between the two approaches, which set good foundations for future research.
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Taherian, Shahab, Hamid Rahai, Jeremy Bonifacio, Samuel Lopez, Yong Lee, Behrouz Jafari, and Thomas Waddington. "Computational Fluid Dynamics Validation of the Upper Respiratory System." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70187.

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Verification of numerical results with experimental data is an important aspect of any in silico study. In the case of the upper respiratory system, the air flow is often turbulent, which highlights the importance of validating an accurate turbulence model for numerical simulations. Patient specific CT based upper airway models were used for computational fluid dynamics (CFD) analyses of the upper respiratory system and the results were compared with the corresponding experimental results. Detailed CFD simulations were conducted using the STAR-CCM+ software to investigate the most appropriate numerical approach in accurately predicting flow characteristics in the upper respiratory system. Large Eddy Simulations (LES) and Reynolds-Averaged Navier-Stokes (RANS) equations with k-ε, and k-ω turbulence models were investigated. The experiments include simulating inspiratory-expiratory flow with particle injection at the intake. A stereolithographic (SL) system (3-D system Projet 6000HD), with a resolution of 0.001–0.002 inches per inch of part and VisiJet SL Clear material, was used for fabricating the experimental model. The outlet of the model was connected to a manifold, with subsequent connection to a piston-cylinder system where a computer-controlled motor was used to simulate the normal breathing flow conditions. Investigations of flow characteristics within the upper airway were performed with a 2-D µPIV system from Intelligent Laser Applications (ILA for micro particle image velocimetry) which includes a high power green LED light source with an effective area of 100×100 mm, and a pulsing system (LPS controller). Matlab software was used for the post processing of PIV images. The LES results displayed more detailed transient flow characteristics than the RANS results for both turbulence models. At the early time steps, the numerical results of the average velocity from all three methods were nearly identical. However, further downstream, where obstructions and strong velocity gradients exist, results differ with a larger velocity gradient near the wall for the LES simulation. Comparing the numerical and experimental results, due to seeding limitations, the experimental results did not display detailed low speed flow characteristics and thus, the shear stress and turbulence quantities were less than the corresponding CFD results. Further experiments are currently in progress to improve the experimental results and to better assess the transient numerical and experimental results.
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Guzmán, Amador M., Rodrigo A. Escobar, and Cristina H. Amon. "Effect of Curved Boundaries of an Intravenous Membrane Oxygenator on the Fluid Dynamics and Mass Transfer Characteristics." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-2229.

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Abstract The Intravenous Membrane Oxygentor (IMO) device is an artificial respirator being developed at the University of Pittsburgh Medical Center (UPMC) with the objective of providing up to 50% of the O2 and CO2 exchange requirements to patients with the Acute Respiratory Distress Syndrome (ARDS) [1-4]. In-vitro and in-vivo experiments and computational simulations at the UPMC and Carnegie Mellon University (CMU), respectively, have been carried out to get a better understanding of the flow and mass transfer characteristics of the IMO [3,4, 7-11]. Numerically obtained pressure drop, for stationary and pulsating balloon conditions, presents a good agreement with the in-vitro experiments [4, 11]. The effect of the balloon pulsation on the flow pattern and mass transfer has also been investigated. Numerical results with a stationary balloon demonstrate a laminar flow regime with no secondary flows [10-11]. These results have indicated that the pulsating balloon generates a 3D oscillatory flow with a strong secondary flow that could increase the flow mixing and the mass transfer rate near the fibers [9-10]. These simulations however, have not considered the curvature of both the fibers and balloon and their effect on the flow mixing and mass transfer characteristics. This article reports numerical investigations of the effect of the curved shape of the balloon on the flow and oxygen transfer pattern of the IMO device shown in Fig. 1(a), for stationary and pulsating balloon regimes.
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Macari, Vasile, Gheorghe Pistol, Victor Putin, Ana Rotaru, Liliana Rotari, and Vasile Oancea. "The influence of the Zoobior remedy, used in an implementation study on the health and clinical hematological status of young hens in the first laying phase." In Xth International Conference of Zoologists. Institute of Zoology, Republic of Moldova, 2021. http://dx.doi.org/10.53937/icz10.2021.38.

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This article presents the scientific results focused on investigating the impact of the ZooBioR remedy, obtained from Spirulina platensis, tested on young hens, in the first technological phase of laying. The research was initiated on young hens, of 24 weeks old, belonging to the “Hy-Line” hybrid, bred in identical conditions of nutrition and maintenance. The hens in the experimental group received daily food supplemented with ZooBioR, in proportion of 10 mg active substance/kg feed. During the study the birds were monitored, and periodically were determined body temperature, frequency of respiratory movements. For haematological investigations, from birds was collected blood from the axial veins and, as the case may be, from the jugular veins, in standard model test tubes. It has been established that the ZooBioR remedy is well tolerated by young hens and exhibits anti-stress and adaptive properties. In addition, the tested product has a positive evolution on the hemogram, increases the natural body resistance, inducing at the end of the study a tendency of increase of platelets in blood.
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Li, Ang, Jun Chen, Jordan A. Awan, David A. Eddins, and Shaheen N. Awan. "Performance Analysis and Parametric Study of Vortex Whistle." In ASME 2022 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/fedsm2022-87902.

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Abstract A vortex whistle is a low-cost but accurate flow meter. As the airflow passes through the whistle, a tone is produced which has a frequency proportional to the inlet air flow rate. Recent investigations using vortex whistles have focused on the use of this relationship to quantify aspects of respiratory function. Despite promising results, there is a lack of understanding of the physical mechanisms underlying vortex whistle function. In the present study, combined CFD and CAA method is applied to investigate the performance of the vortex whistle. A simplified vortex whistle model is simulated by LES with Smagorinskty model to predict the flow field within and outside the whistle, and then Ffocus-Williams and Hawkings analogy is used for aeroacoustic simulation to predict the acoustic response of the vortex whistle and the frequency and level of the signature tones. The result indicates that the spectral peaks are generated by the cylindrical cavity of the vortex whistle. The whistles with different heights and diameters of cylindrical cavity are also simulated to optimize the design. The results show that the height does not affect the harmonic frequency significantly; with the decrease of the diameter, the harmonic shifts to a higher frequency. It is beneficial for low flow rate cases; in addition, an optimal design exists which presents the largest signal-to-noise ratio. The simulation results and analysis in the present study help us determine which part contributes the signature peak, and increased SNR of the acoustic output by design optimization will allow for improved frequency-to-flow mapping and volume estimates during respiratory tasks such as the elicitation of vital capacity.
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Taherian, Shahab, Hamid Rahai, Bernardo Z. Gomez, Thomas Waddington, and Jeremy R. Bonifacio. "Tracheal Stenosis: A CFD Approach for Evaluation of Drug Delivery." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50799.

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The existence of obstructions such as tracheal stenosis has major impacts on respiratory functions. Therapeutic effectiveness of inhaled medications is influenced by tracheal stenosis, and particle transport and deposition pattern are modified. The majority of studies have focused on obstructions in branches of the airways, where the flow is diverted to the other branches to meet the needed oxygen intake. In this study we have investigated the effects of trachea with and without stenosis/obstruction on particle depositions and air flow in a human respiratory system. Patient specific CFD simulations were conducted; CT-scans of a patient with tracheal stenosis were used to create 3D models of bronchial tree up to 8 generations. The section of the stenosis was manually modified to create a healthy trachea. Comparisons between CFD simulations before and after intervention demonstrate the impact of the stenosis on flow characteristics and particles distribution. The numerical investigations were performed using the implicit Unsteady Reynolds-Averaged Navier-Stokes equation (U-RANS), using the commercially available software (STAR-CCM+) from CD-Adapco, along with K-ω; shear stress transport model. Two sets of CT-images of inhalation and exhalation were used for assigning Patient-specific boundary conditions at the outlets. Lagrangian Phase model was used to simulate particle transport and depositions of 10, 5 and 2.5 micron diameter particles. Results of the particle depositions for 10 micron particles highlight the difference in depositions and ultimately inhaled medications in patients with and without tracheal stenosis. Particle deposition for normal Tidal volume increased due to stenosis from 47% to 51% for 10 Micron particles and not a significant change for the 2.5 Micron particles (from 4.5% to 4.7%). Comparisons of pressure drop in each generation between patient with tracheal stenosis and the healthy lung showed significant increase in pressure drop after the stenosis, which were experienced in all generations downstream. Experimental validation of the CFD results were made with a model of healthy trachea up to 3rd generation, manufactured using Additive Layer Manufacturing (ALM) from CT-images and pressure results were compared with the corresponding CFD results. Good agreements were found.
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Camelo Filho, Antonio Edvan, Diego Sant’Ana Sodré, Halisson Flamini Arantes, and Carlos Otto Heise. "Covid-19 Brachial plexopathy: a case report." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.518.

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Context: The understanding of neuromuscular manifestations secondary to infection by SARS-CoV-2 is scarce. Peripheral neuropathies are a heterogeneous group of diseases affecting the peripheral nervous system, with a variable motor, sensitive and autonomic involvement. There are recent descriptions of atypical patterns of neuropathies after COVID-19. In this study we aim to report a brachial plexopathy secondary to COVID-19 with its clinical and electrophysiological characterization. We performed a cross-sectional, observational, descriptive, case report type, using medical record review. Case report: A 42 year-old female was hospitalized for 2 months due to severe respiratory syndrome due to COVID-19. She remained in the ICU for 20 days. During her stay in the ward she complained of weakness and pain in his right upper limb. Physical examination revealed weakness in the right shoulder abduction and elbow flexion. Nerve conduction studies demonstrated involvement of the upper trunk of the right brachial plexus. There was no report of trauma. Her BMI was 50 kg/m2. Conclusions: Recent studies bring atypical descriptions of focal neuropathies, multiple mononeuropathies and plexopathies, opening a new field of study in addition to the description of neuromuscular weakness following ICU stay after COVID-19. From an electrophysiological point of view, there is a recent interest in better characterization of patients with axonal neuropathies suggesting a possible vasculitic mechanism of neuronal damage after COVID-19. Further investigations are necessary to improve the characterization of this particular group, helping its diagnosis and early treatment to reduce complications and disabilities.
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Reports on the topic "Respiratory investigations"

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Bhattarai, Sankalpa, Hsien-Yao Chee, Andrew Japri, Elvan Wiyarta, and Benjamin Anderson. The Epidemiology of Human Respiratory Viruses in Indonesia: A Systematic Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2022. http://dx.doi.org/10.37766/inplasy2022.11.0015.

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Review question / Objective: To identify published articles related to the epidemiology of human respiratory viruses in Indonesia. Condition being studied: Viral respiratory disease among humans in Indonesia. Eligibility criteria: The inclusion and exclusion criteria for English and Indonesian language journal articles included published scientific journal entries which were also epidemiological investigations or clinical case reports conducted on humans in Indonesia. All reviews, commentaries, perspectives, and personal opinions were excluded, along with any entry that was a diagnostic assay evaluation.
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Rahai, Hamid, and Jeremy Bonifacio. Numerical Investigations of Virus Transport Aboard a Commuter Bus. Mineta Transportation Institute, April 2021. http://dx.doi.org/10.31979/mti.2021.2048.

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The authors performed unsteady numerical simulations of virus/particle transport released from a hypothetical passenger aboard a commuter bus. The bus model was sized according to a typical city bus used to transport passengers within the city of Long Beach in California. The simulations were performed for the bus in transit and when the bus was at a bus stop opening the middle doors for 30 seconds for passenger boarding and drop off. The infected passenger was sitting in an aisle seat in the middle of the bus, releasing 1267 particles (viruses)/min. The bus ventilation system released air from two linear slots in the ceiling at 2097 cubic feet per minute (CFM) and the air was exhausted at the back of the bus. Results indicated high exposure for passengers sitting behind the infectious during the bus transit. With air exchange outside during the bus stop, particles were spread to seats in front of the infectious passenger, thus increasing the risk of infection for the passengers sitting in front of the infectious person. With higher exposure time, the risk of infection is increased. One of the most important factors in assessing infection risk of respiratory diseases is the spatial distribution of the airborne pathogens. The deposition of the particles/viruses within the human respiratory system depends on the size, shape, and weight of the virus, the morphology of the respiratory tract, as well as the subject’s breathing pattern. For the current investigation, the viruses are modeled as solid particles of fixed size. While the results provide details of particles transport within a bus along with the probable risk of infection for a short duration, however, these results should be taken as preliminary as there are other significant factors such as the virus’s survival rate, the size distribution of the virus, and the space ventilation rate and mixing that contribute to the risk of infection and have not been taken into account in this investigation.
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Lamont, Susan J., E. Dan Heller, and Avigdor Cahaner. Prediction of Immunocompetence and Resistance to Disease by Using Molecular Markers of the Major Histocompatibility Complex. United States Department of Agriculture, September 1994. http://dx.doi.org/10.32747/1994.7568780.bard.

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This project utilized two live-animal populations in an integrated research program to identify molecular markers for immune response and disease resistance. The populations each had their foundation from meat-type commercial breeder chicken lines of their respective countries. Investigations effectively used unique availability of resources in each country to study commercial-type environments in Israel and line-crosses with diverse inbred lines in the US. Two bacterial systems were investigated to cover both respiratory and gastrointestinal, and primary and secondary, infections. Individual experimental groups of animals were evaluated for combinations of vaccine antibody levels, response to pathogen challenge, growth parameters, genetic background and molecular markers. The positive association of antibody level with resistance to disease was confirmed. Effectiveness of genetic selection for vaccine antibody response level was demonstrated. Molecular markers, both inside and outside the MHC region, were associated with antibody response and resistance to disease. Markers were shown to have a generalized effect, by association with multiple traits of immune response and disease resistance. The impact of genetic background on marker effect was shown to be important. The overall results demonstrate the effectiveness of selection on vaccine antibody response and the potential of molecular marker-assisted selection to improve efficiency of production of meat-type chickens by reducing genetic susceptibility to disease.
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Torok, Michelle R., Jessia A. Benevento, Inga R. Heemink, James S. Neville, and Katerina M. Neuhauser. Investigation of an Outbreak of Acute Febrile Respiratory Illness Among Recruits at Lackland Air Force Base, TX. Fort Belvoir, VA: Defense Technical Information Center, July 2001. http://dx.doi.org/10.21236/ada409397.

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Rao, Meenakshi. Investigating the Potential of Land Use Modifications to Mitigate the Respiratory Health Impacts of NO2: A Case Study in the Portland-Vancouver Metropolitan Area. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.2935.

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Droby, Samir, Michael Wisniewski, Ron Porat, and Dumitru Macarisin. Role of Reactive Oxygen Species (ROS) in Tritrophic Interactions in Postharvest Biocontrol Systems. United States Department of Agriculture, December 2012. http://dx.doi.org/10.32747/2012.7594390.bard.

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To elucidate the role of ROS in the tri-trophic interactions in postharvest biocontrol systems a detailed molecular and biochemical investigation was undertaken. The application of the yeast biocontrol agent Metschnikowia fructicola, microarray analysis was performed on grapefruit surface wounds using an Affymetrix Citrus GeneChip. the data indicated that 1007 putative unigenes showed significant expression changes following wounding and yeast application relative to wounded controls. The expression of the genes encoding Respiratory burst oxidase (Rbo), mitogen-activated protein kinase (MAPK) and mitogen-activated protein kinase kinase (MAPKK), G-proteins, chitinase (CHI), phenylalanine ammonia-lyase (PAL), chalcone synthase (CHS) and 4-coumarate-CoA ligase (4CL). In contrast, three genes, peroxidase (POD), superoxide dismutase (SOD) and catalase (CAT), were down-regulated in grapefruit peel tissue treated with yeast cells. The yeast antagonists, Metschnikowia fructicola (strain 277) and Candida oleophila (strain 182) generate relatively high levels of super oxide anion (O2−) following its interaction with wounded fruit surface. Using laser scanning confocal microscopy we observed that the application of M. fructicola and C. oleophila into citrus and apple fruit wounds correlated with an increase in H2O2 accumulation in host tissue. The present data, together with our earlier discovery of the importance of H₂O₂ production in the defense response of citrus flavedo to postharvest pathogens, indicate that the yeast-induced oxidative response in fruit exocarp may be associated with the ability of specific yeast species to serve as biocontrol agents for the management of postharvest diseases. Effect of ROS on yeast cells was also studied. Pretreatment of the yeast, Candida oleophila, with 5 mM H₂O₂ for 30 min (sublethal) increased yeast tolerance to subsequent lethal levels of oxidative stress (50 mM H₂O₂), high temperature (40 °C), and low pH (pH 4). Suppression subtractive hybridization analysis was used to identify genes expressed in yeast in response to sublethal oxidative stress. Transcript levels were confirmed using semi quantitative reverse transcription-PCR. Seven antioxidant genes were up regulated. Pretreatment of the yeast antagonist Candida oleophila with glycine betaine (GB) increases oxidative stress tolerance in the microenvironment of apple wounds. ROS production is greater when yeast antagonists used as biocontrol agents are applied in the wounds. Compared to untreated control yeast cells, GB-treated cells recovered from the oxidative stress environment of apple wounds exhibited less accumulation of ROS and lower levels of oxidative damage to cellular proteins and lipids. Additionally, GB-treated yeast exhibited greater biocontrol activity against Penicillium expansum and Botrytis cinerea, and faster growth in wounds of apple fruits compared to untreated yeast. The expression of major antioxidant genes, including peroxisomal catalase, peroxiredoxin TSA1, and glutathione peroxidase was elevated in the yeast by GB treatment. A mild heat shock (HS) pretreatment (30 min at 40 1C) improved the tolerance of M. fructicola to subsequent high temperature (45 1C, 20–30 min) and oxidative stress (0.4 mol-¹) hydrogen peroxide, 20–60 min). HS-treated yeast cells showed less accumulation of reactive oxygen species (ROS) than non-treated cells in response to both stresses. Additionally, HS-treated yeast exhibited significantly greater (P≥0.0001) biocontrol activity against Penicillium expansum and a significantly faster (Po0.0001) growth rate in wounds of apple fruits stored at 25 1C compared with the performance of untreated yeast cells. Transcription of a trehalose-6-phosphate synthase gene (TPS1) was up regulated in response to HS and trehalose content also increased.
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Recent investigations in personal protective equipment (including respirators). Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/5142481.

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Health hazard evaluation report: investigation of dermal and respiratory exposures to metalworking fluids at an automotive parts manufacturer. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, December 2016. http://dx.doi.org/10.26616/nioshhhe201300753264.

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Health hazard evaluation report: HETA-2007-0073-3089, report on an investigation of asthma and respiratory symptoms among workers at a soy processing plant, The Solae Company, Memphis, Tennessee. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, August 2009. http://dx.doi.org/10.26616/nioshheta200700733089.

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Health hazard evaluation report: HETA-2008-0230-3096, report on an investigation of buttermilk flavoring exposures and respiratory health at a bakery mix production facility, General Mills, Los Angeles, California. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, November 2009. http://dx.doi.org/10.26616/nioshheta200802303096.

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