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https://www.readbyqxmd.com/read/29138215/physiology-undergraduate-degree-requirements-in-the-u-s
#1
Valerie S VanRyn, James M Poteracki, Erica A Wehrwein
Course-level learning objectives and core concepts for undergraduate physiology teaching exist. The next step is to consider how these resources fit into generalizable program-level guidelines for Bachelor of Science (BS) degrees in Physiology. In the absence of program-level guidelines for Physiology degree programs, we compiled a selective internal report to review degree requirements from 18 peer BS programs entitled "Physiology" in the United States (U.S.). There was a range of zero to three required semesters of math, physics, physics laboratory, general biology, biology laboratory, general chemistry, chemistry laboratory, organic chemistry, organic chemistry laboratory, biochemistry, biochemistry laboratory, anatomy, anatomy laboratory, core systems physiology, and physiology laboratory...
December 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/29128525/respiratory-rehabilitation-in-multiple-sclerosis-a-narrative-review-of-rehabilitation-techniques
#2
REVIEW
J Levy, H Prigent, D Bensmail
BACKGROUND: Respiratory disorders in multiple sclerosis (MS) are an important issue. They can occur early during the course of the disease, are associated with the neurological impairment, and can lead to pneumonia and respiratory failure, which are the main causes of death in advanced MS. Prevailing impaired expiratory muscles and cough abilities has been demonstrated in this population and might constitute a specific target for rehabilitation interventions. However, international guidelines lack recommendations regarding respiratory rehabilitation in MS...
November 8, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29122139/role-of-exercise-testing-in-hypertrophic%C3%A2-cardiomyopathy
#3
REVIEW
Ethan J Rowin, Barry J Maron, Iacopo Olivotto, Martin S Maron
Over the last 25 years, patients with hypertrophic cardiomyopathy (HCM) have been studied with a variety of methods employing physiological exercise that have made major contributions to disease management and are performed without increased risk. Previously under-utilized in HCM, exercise (stress) echocardiography has become incorporated into the standard clinical assessment and diagnostic armamentarium of HCM using upright or supine symptom-limited treadmill or bicycle modalities. In patients without outflow gradients at rest, exercise echocardiography is the most appropriate method for provoking obstruction, with the capability of predicting future development of progressive heart failure symptoms, and differentiating patients with provocable obstruction from those without obstruction, with major implications for dictating treatment options, that is, surgical myectomy (alternatively, alcohol septal ablation) versus heart transplant...
November 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29120969/clinical-and-physiological-effects-of-rollators-in-individuals-with-chronic-obstructive-pulmonary-disease-a-systematic-review
#4
Annemarie L Lee, Marla K Beauchamp, Roger S Goldstein, Dina Brooks
PURPOSE: To determine the effects of using a rollator in people with chronic obstructive pulmonary disease (COPD). METHODS: Studies were systematically identified from literature searches of MEDLINE, CINAHL, PEDro, PubMed, EMBASE, and the Cochrane Library databases and the reference lists of included studies. Two reviewers independently selected randomized controlled or crossover studies examining the effects of rollator usage compared with no aid in individuals with COPD...
November 8, 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/29113535/effects-of-erythropoietin-abuse-on-exercise-performance
#5
Paolo Sgrò, Massimiliano Sansone, Andrea Sansone, Francesco Romanelli, Luigi Di Luigi
The present review provides a comprehensive overview on the erythropoietic and non-erythropoietic effects of rHuEpo on human sport performance, paying attention to quantifying numerically how rHuEpo affects exercise performance and describing physiological changes regarding the most important exercise variables. Much attention has been paid to treatment schedules, in particular, to assess the effects of microdoses of rHuEpo and the prolonged effects on sport performance following withdrawal. Moreover, the review takes into account non-erythropoietic ergogenic effects of rHuEpo, including cognitive benefits of rHuEpo...
November 8, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29112978/personalized-blood-glucose-prediction-a-hybrid-approach-using-grammatical-evolution-and-physiological-models
#6
Iván Contreras, Silvia Oviedo, Martina Vettoretti, Roberto Visentin, Josep Vehí
The large patient variability in human physiology and the effects of variables such as exercise or meals challenge current prediction modeling techniques. Physiological models are very precise but they are typically complex and specific physiological knowledge is required. In contrast, data-based models allow the incorporation of additional inputs and accurately capture the relationship between these inputs and the outcome, but at the cost of losing the physiological meaning of the model. In this work, we designed a hybrid approach comprising physiological models for insulin and grammatical evolution, taking into account the clinical harm caused by deviations from the target blood glucose by using a penalizing fitness function based on the Clarke error grid...
2017: PloS One
https://www.readbyqxmd.com/read/29112534/il1%C3%AE-inhibition-contributes-to-the-anti-nociceptive-effects-of-voluntary-exercise-on-ischemia-reperfusion-induced-hypersensitivity
#7
Jessica L Ross, Luis F Queme, Jordan E Lamb, Kathryn J Green, Zachary K Ford, Michael P Jankowski
Issues of peripheral circulation have been increasingly suggested as an underlying cause of musculoskeletal pain in many conditions, including sickle cell anemia and peripheral vascular disease. We have previously shown in our model of transient ischemia and reperfusion injury (I/R) of the forelimb that individual group III and IV muscle afferents display altered chemosensitivity and mechanical thresholds 1 d following injury. Functional alterations corresponded to increased evoked and spontaneous pain-related behaviors and decreased muscle strength and voluntary activity-all actions that echo clinical symptoms of ischemic myalgia...
October 30, 2017: Pain
https://www.readbyqxmd.com/read/29101174/dietary-nitrate-supplementation-in-cardiovascular-health-an-ergogenic-aid-or-exercise-therapeutic
#8
Mary N Woessner, Luke Colin McIlvenna, Joaquin Ortiz de Zevallos, Christopher Neil, Jason David Allen
Oral consumption of inorganic nitrate, which is abundant in green leafy vegetables and roots, has been shown to increase circulating plasma nitrite concentration, which can be converted to NO in low oxygen conditions. The associated beneficial physiological effects include a reduction in blood pressure, modification of platelet aggregation and increases in limb blood flow. There have been numerous studies of nitrate supplementation in healthy recreational and competitive athletes, however, the ergogenic benefits are currently unclear due to a variety of factors including small sample sizes, different dosing regimens, variable nitrate conversion rates, the heterogeneity of participants' initial fitness levels and the types of exercise tests employed...
November 3, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29096672/the-effects-of-yoga-versus-stretching-and-resistance-training-exercises-on-psychological-distress-for-people-with-mild-to-moderate-parkinson-s-disease-study-prxotocol-for-a-randomized-controlled-trial
#9
JoJo Yan Yan Kwok, Jackie Cheuk Yin Kwan, Man Auyeung, Vincent Chung Tong Mok, Helen Yue Lai Chan
BACKGROUND: Psychological distress is prevalent among people with Parkinson's disease (PD) and aggravates their motor symptoms, thereby leading to increased disability, high healthcare costs, and poor health-related quality of life (HRQoL). The under-recognition and adverse effects of the pharmacological management of anxiety and depression among the PD population are considerable. Thus, adopting a Complementary and Alternative Management (CAM) approach to address this problem is important...
November 2, 2017: Trials
https://www.readbyqxmd.com/read/29095979/rest-and-exercise-haemodynamics-in-patients-with-one-of-two-stented-bioprostheses-and-in-healthy-controls-with-small-aortic-annuli
#10
Sina Stock, Inga Lohmann, Thorsten Hanke, Ulrich Stierle, Doreen Richardt, Stanislav Tsvelodub, Hans-Hinrich Sievers
OBJECTIVES: Because bioprosthetic aortic valve replacement remains one of the most frequent cardiac surgical procedures, it is necessary to study patient haemodynamics in more detail. Until now, a few studies assessed haemodynamics during exercise, but none with special regard to small aortic annuli. We compared patients who had the differently designed bioprostheses, Trifecta and Perimount Magna Ease (PME), size ≤ 23 mm, and a healthy control group during rest and exercise. METHODS: We determined the mean transvalvular gradient, the effective orifice area (EOA) and the EOA index during rest and exercise using transthoracic echocardiography in 35 patients with the Trifecta (mean age 71...
October 31, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29079391/strategies-for-supporting-intervention-fidelity-in-the-rehabilitation-therapy-in-older-acute-heart-failure-patients-rehab-hf-trial
#11
Amy M Pastva, Pamela W Duncan, Gordon R Reeves, M Benjamin Nelson, David J Whellan, Christopher M O'Connor, Joel D Eggebeen, Leigh Ann Hewston, Karen M Taylor, Robert J Mentz, Paul B Rosenberg, Dalane W Kitzman
INTRODUCTION: Acute decompensated heart failure (ADHF) is the leading cause of hospitalization in older adults. Rehabilitation Therapy in Older Acute Heart Failure Patients (REHAB-HF) trial is a multi-site clinical trial to determine if physical rehabilitation intervention in older patients with ADHF improves physical function and reduces rehospitalizations. The REHAB-HF intervention aims to improve functional performance utilizing reproducible and progressive exercises that are individually tailored to the patient's physiological and physical capabilities...
October 24, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29060112/synergy-of-first-principles-modelling-with-predictive-control-for-a-biventricular-assist-device-in-silico-evaluation-study
#12
Vivian C A Koh, Yong Kuen Ho, Michael C Stevens, Robert F Salamonsen, Nigel H Lovell, Einly Lim
Control for dual rotary left ventricular assist devices (LVADs) used as a biventricular assist device (BiVAD) is challenging. If the control system fails, flow imbalance between the systemic and the pulmonary circulations would result, subsequently leading to ventricular suction or pulmonary congestion. With the expectation that advanced control approaches such as model predictive control could address the challenges naturally and effectively, we developed a synergistic first principles model predictive controller (MPC) for the BiVAD...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29054325/use-of-ideal-alveolar-air-equations-and-corrected-end-tidal-pco2-to-estimate-arterial-pco2-and-physiological-dead-space-during-exercise-in-patients-with-heart-failure
#13
Erik H Van Iterson, Thomas P Olson
BACKGROUND: Arterial CO2 tension (PaCO2) and physiological dead space (VD) are not routinely measured during clinical cardiopulmonary exercise testing (CPET). Abnormal changes in PaCO2 accompanied by increased VD directly contribute to impaired exercise ventilatory function in heart failure (HF). Because arterial catheterization is not standard practice during CPET, this study tested the construct validity of PaCO2 and VD prediction models using 'ideal' alveolar air equations and basic ventilation and gas-exchangegas exchange measurements during CPET in HF...
October 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29045952/-progress-in-diagnosis-and-management-of-syncope-in-children
#14
W R Xu, Y Liao, H F Jin, Q Y Zhang, C S Tang, J B DU
Syncope is a common emergency of children and adolescents, which has serious influence on the quality of life. Neurally-mediated syncope, including postural tachycardia syndrome, vasovagal syncope, orthostatic hypotension and orthostatic hypertension, is the main cause of syncope in children and adolescents. The main manifestations of neurally-mediated syncope are diverse, such as dizziness, headache, chest tightness, chest pain, pale complexion, fatigue, pre-syncope and syncope. Although the clinical manifestations are similar, each subtype of syncope has its hemodynamic feature and optimal treatment option...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29037377/thermographic-imaging-in-sports-and-exercise-medicine-a-delphi-study-and-consensus-statement-on-the-measurement-of-human-skin-temperature
#15
REVIEW
Danilo Gomes Moreira, Joseph T Costello, Ciro J Brito, Jakub G Adamczyk, Kurt Ammer, Aaron J E Bach, Carlos M A Costa, Clare Eglin, Alex A Fernandes, Ismael Fernández-Cuevas, José J A Ferreira, Damiano Formenti, Damien Fournet, George Havenith, Kevin Howell, Anna Jung, Glen P Kenny, Eleazar S Kolosovas-Machuca, Matthew J Maley, Arcangelo Merla, David D Pascoe, Jose I Priego Quesada, Robert G Schwartz, Adérito R D Seixas, James Selfe, Boris G Vainer, Manuel Sillero-Quintana
The importance of using infrared thermography (IRT) to assess skin temperature (tsk) is increasing in clinical settings. Recently, its use has been increasing in sports and exercise medicine; however, no consensus guideline exists to address the methods for collecting data in such situations. The aim of this study was to develop a checklist for the collection of tsk using IRT in sports and exercise medicine. We carried out a Delphi study to set a checklist based on consensus agreement from leading experts in the field...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29032385/exercise-training-response-heterogeneity-physiological-and-molecular-insights
#16
REVIEW
Lauren M Sparks
The overall beneficial effects of exercise are well studied, but why some people do not respond favourably to exercise is less understood. The National Institutes of Health Common Fund has recently launched the large-scale discovery project 'Molecular Transducers of Physical Activity in Humans' to examine the physiological and molecular (i.e. genetic, epigenetic, lipidomic, metabolomic, proteomic, etc.) responses to exercise training. A nationwide, multicentre clinical trial such as this one also provides a unique opportunity to robustly investigate the non-response to exercise in thousands of individuals that have undergone supervised aerobic- and resistance-based exercise training interventions...
December 2017: Diabetologia
https://www.readbyqxmd.com/read/29025748/compromised-cerebrovascular-regulation-and-cerebral-oxygenation-in-pulmonary-arterial-hypertension
#17
Simon Malenfant, Patrice Brassard, Myriam Paquette, Olivier Le Blanc, Audrey Chouinard, Valérie Nadeau, Philip D Allan, Yu-Chieh Tzeng, Sébastien Simard, Sébastien Bonnet, Steeve Provencher
BACKGROUND: Functional cerebrovascular regulatory mechanisms are important for maintaining constant cerebral blood flow and oxygen supply in heathy individuals and are altered in heart failure. We aim to examine whether pulmonary arterial hypertension (PAH) is associated with abnormal cerebrovascular regulation and lower cerebral oxygenation and their physiological and clinical consequences. METHODS AND RESULTS: Resting mean flow velocity in the middle cerebral artery mean flow velocity in the middle cerebral artery (MCAvmean); transcranial Doppler), cerebral pressure-flow relationship (assessed at rest and during squat-stand maneuvers; analyzed using transfer function analysis), cerebrovascular reactivity to CO2, and central chemoreflex were assessed in 11 patients with PAH and 11 matched healthy controls...
October 12, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29022275/volume-for-muscle-hypertrophy-and-health-outcomes-the-most-effective-variable-in-resistance-training
#18
Vandré Casagrande Figueiredo, Belmiro Freitas de Salles, Gabriel S Trajano
Resistance training is the most effective method to increase muscle mass. It has also been shown to promote many health benefits. Although it is deemed safe and of clinical relevance for treating and preventing a vast number of diseases, a time-efficient and minimal dose of exercise has been the focus of a great number of research studies. Similarly, an inverted U-shaped relationship between training dose/volume and physiological response has been hypothesized to exist. However, the majority of available evidence supports a clear dose-response relationship between resistance training volume and physiological responses, such as muscle hypertrophy and health outcomes...
October 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29022261/the-non-cardiomyocyte-cells-of-the-heart-their-possible-roles-in-exercise-induced-cardiac-regeneration-and-remodeling
#19
Ivan Varga, Jan Kyselovič, Paulina Galfiova, Lubos Danisovic
The non-cardiomyocyte cellular microenvironment of the heart includes diverse types of cells of mesenchymal origin. During development, the majority of these cells derive from the epicardium, while a subset derives from the endothelium/endocardium and neural crest derived mesenchyme. This subset includes cardiac fibroblasts and telocytes, the latter of which are a controversial type of "connecting cell" that support resident cardiac progenitors in the postnatal heart. Smooth muscle cells, pericytes, and endothelial cells are also present, in addition to adipocytes, which accumulate as epicardial adipose connective tissue...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29016754/cardiac-troponins-from-myocardial-infarction-to-chronic-disease
#20
Kyung Chan Park, David C Gaze, Paul O Collinson, Michael S Marber
Elucidation of the physiologically distinct subunits of troponin in 1973 greatly facilitated our understanding of cardiac contraction. Although troponins are expressed in both skeletal and cardiac muscle, there are isoforms of troponin I/T expressed selectively in the heart. By exploiting cardiac-restricted epitopes within these proteins, one of the most successful diagnostic tests to-date has been developed: cardiac troponin (cTn) assays. For the past decade, cTn has been regarded as the gold-standard marker for acute myocardial necrosis: the pathological hallmark of acute myocardial infarction (AMI)...
September 14, 2017: Cardiovascular Research
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