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https://www.readbyqxmd.com/read/28345959/ventilatory-inefficiency-and-exertional-dyspnea-in-early-chronic-obstructive-pulmonary-disease
#1
J Alberto Neder, Danilo C Berton, Paulo de Tarso Müller, Amany F Elbehairy, Alcides Rocha, Paolo Palange, Denis E O'Donnell
Exertional dyspnea is present across the spectrum of chronic obstructive pulmonary disease (COPD) severity. However, without realizing it themselves, patients may decrease daily physical activity to avoid distressing respiratory sensations. Dyspnea also may be associated with deconditioning. Cardiopulmonary exercise testing can uncover exertional dyspnea and its physiological determinants in patients with preserved or only mildly-reduced FEV1. Dyspnea in mild COPD can largely be explained by increased "wasted" ventilation in the physiological dead space which heightens the drive to breathe and worsens the inspiratory mechanical constraints...
March 27, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28340389/minilaparotomy-without-general-anesthesia-for-the-treatment-of-sigmoid-volvulus-in-high-risk-patients-a-case-series-of-4-patients
#2
Ernesto L Enrique, Kareem A Hamdy
BACKGROUND: Sigmoid volvulus (SV) is a common cause of large bowel obstruction worldwide. Presenting symptoms can be nonspecific and varied amongst the elderly population, making medical and surgical management challenging. This population is at markedly increase risk of complications and mortality with surgery under general anesthesia. In this case series, we describe 4 cases of sigmoid volvulus in octogenarians. GOALS: To demonstrate that sigmoid colectomy under local anesthesia, with or without intravenous conscious sedation, is feasible and can be done safely and with a low rate of converting to a general anesthetic...
March 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28326563/early-structural-and-functional-signature-of-3-day-human-skeletal-muscle-disuse-using-the-dry-immersion-model
#3
Rémi Demangel, Loïc Treffel, Guillaume Py, Thomas Brioche, Allan F Pagano, Marie-Pierre Bareille, Arnaud Beck, Laurence Pessemesse, Robin Candau, Claude Gharib, Angèle Chopard, Catherine Millet
Microgravity and hypoactivity are associated with skeletal muscle deconditioning. The decrease of muscle mass is an exponential decay with major changes in the first days. The purpose of the study was to dissect out the effects of a short-term 3-day dry immersion (DI) on human quadriceps muscle function and structure. The DI model, by suppressing all support zones, accurately reproduces the effects of microgravity. Twelve healthy volunteers (32 ± 5 yrs) completed 3 days of DI. Muscle function was investigated through maximal voluntary contraction (MVC) tests and muscle viscoelasticity...
March 22, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28261402/cardiorespiratory-fitness-in-internal-medicine-residents-are-future-physicians-becoming-deconditioned
#4
Farshid Daneshvar, Michael Weinreich, Danial Daneshvar, Michael Sperling, Chadi Salmane, Harout Yacoub, James Gabriels, Thomas McGinn, Marianne C Smith
BACKGROUND : Previous studies have shown a falloff in physicians' physical activity from medical school to residency. Poor fitness may result in stress, increase resident burnout, and contribute to mortality from cardiovascular disease and other causes. Physicians with poor exercise habits are also less likely to counsel patients about exercise. Prior studies have reported resident physical activity but not cardiorespiratory fitness age. OBJECTIVE : The study was conducted in 2 residency programs (3 hospitals) to assess internal medicine residents' exercise habits as well as their cardiorespiratory fitness age...
February 2017: Journal of Graduate Medical Education
https://www.readbyqxmd.com/read/28186393/chronic-fatigue-in-ehlers-danlos-syndrome-hypermobile-type
#5
Alan Hakim, Inge De Wandele, Chris O'Callaghan, Alan Pocinki, Peter Rowe
Chronic fatigue is an important contributor to impaired health-related quality of life in Ehlers-Danlos syndrome. There is overlap in the symptoms and findings of EDS and chronic fatigue syndrome. A proportion of those with CFS likely have EDS that has not been identified. The evaluation of chronic fatigue in EDS needs to include a careful clinical examination and laboratory testing to exclude common causes of fatigue including anemia, hypothyroidisim, and chronic infection, as well as dysfunction of major physiological or organ systems...
February 10, 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28131211/potential-pathophysiological-pathways-that-can-explain-the-positive-effects-of-exercise-on-fatigue-in-multiple-sclerosis-a-scoping-review
#6
REVIEW
Martin Langeskov-Christensen, Etienne J Bisson, Marcia L Finlayson, Ulrik Dalgas
BACKGROUND: Fatigue is one of the most common and most disabling symptoms of multiple sclerosis (MS). It is a multidimensional and complex symptom with multifaceted origins, involving both central and peripheral fatigue mechanisms. Exercise has proven to be safe for people with MS, with cumulating evidence supporting significant reductions in fatigue. However, the potential pathophysiological pathways that can explain the positive effects of exercise on fatigue in MS remain elusive. OBJECTIVES: The objectives were, in PwMS (1) to update the knowledge on the pathophysiology underlying primary and secondary fatigue, and (2) to discuss potential pathophysiological pathways that can explain the positive effects of exercise on MS fatigue...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28101556/time-for-food-training-physiatrists-in-nutritional-prescription
#7
Rani Polak, Marie Dacey, Edward M Phillips
INTRODUCTION: Sub-optimal nutrition is a leading factor in all-cause mortality, the preponderance of non-communicable chronic diseases, and various health conditions that are treated by physiatrists, such as stroke and musculoske-letal disorders. Furthermore, patients with chronic pain have a high prevalence of nutritional deficiencies, and malnutrition has been associated with limited rehabilitation outcomes in elderly patients with hospital-associated deconditioning. Thus, physiatrists may find it valuable to include nutrition in their patient services...
January 31, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28081223/high-intensity-jump-training-is-tolerated-during-60-days-of-bed-rest-and-is-very-effective-in-preserving-leg-power-and-lean-body-mass-an-overview-of-the-cologne-rsl-study
#8
Andreas Kramer, Jakob Kümmel, Edwin Mulder, Albert Gollhofer, Petra Frings-Meuthen, Markus Gruber
PURPOSE: Space agencies are looking for effective and efficient countermeasures for the degrading effects of weightlessness on the human body. The aim of this study was to assess the effects of a novel jump exercise countermeasure during bed rest on vitals, body mass, body composition, and jump performance. METHODS: 23 male participants (29±6 years, 181±6 cm, 77±7 kg) were confined to a bed rest facility for 90 days: a 15-day ambulatory measurement phase, a 60-day six-degree head-down-tilt bed rest phase (HDT), and a 15-day ambulatory recovery phase...
2017: PloS One
https://www.readbyqxmd.com/read/28066619/clinical-management-of-chronic-obstructive-pulmonary-disease-patients-with-muscle-dysfunction
#9
REVIEW
Joaquim Gea, Carme Casadevall, Sergi Pascual, Mauricio Orozco-Levi, Esther Barreiro
Muscle dysfunction is frequently observed in chronic obstructive pulmonary disease (COPD) patients, contributing to their exercise limitation and a worsening prognosis. The main factor leading to limb muscle dysfunction is deconditioning, whereas respiratory muscle dysfunction is mostly the result of pulmonary hyperinflation. However, both limb and respiratory muscles are also influenced by other negative factors, including smoking, systemic inflammation, nutritional abnormalities, exacerbations and some drugs...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28062324/a-home-based-exercise-intervention-for-non-small-cell-lung-cancer-patients-post-thoracotomy
#10
REVIEW
Amy J Hoffman, Ruth Ann Brintnall
OBJECTIVES: There are no evidenced-based rehabilitative guidelines for postsurgical non-small cell lung cancer (NSCLC) patients. This qualitative study provides evidence on the acceptability of an effective postsurgical exercise intervention targeting the self-management of cancer-related fatigue to fill this gap. DATA SOURCES: Qualitative perspective of 37 individuals randomized to a 6-week exercise program following hospital discharge post-thoracotomy for NSCLC...
February 2017: Seminars in Oncology Nursing
https://www.readbyqxmd.com/read/28050606/long-term-exposure-to-space-s-microgravity-alters-the-time-structure-of-heart-rate-variability-of-astronauts
#11
Kuniaki Otsuka, Germaine Cornelissen, Satoshi Furukawa, Yutaka Kubo, Mitsutoshi Hayashi, Koichi Shibata, Koh Mizuno, Tatsuya Aiba, Hiroshi Ohshima, Chiaki Mukai
BACKGROUND: Spaceflight alters human cardiovascular dynamics. The less negative slope of the fractal scaling of heart rate variability (HRV) of astronauts exposed long-term to microgravity reflects cardiovascular deconditioning. We here focus on specific frequency regions of HRV. METHODS: Ten healthy astronauts (8 men, 49.1 ± 4.2 years) provided five 24-hour electrocardiographic (ECG) records: before launch, 20.8 ± 2.9 (ISS01), 72.5 ± 3.9 (ISS02) and 152.8 ± 16...
December 2016: Heliyon
https://www.readbyqxmd.com/read/28044282/are-prepubertal-children-metabolically-comparable-to-well-trained-adult-endurance-athletes
#12
REVIEW
Sébastien Ratel, Anthony J Blazevich
It is well acknowledged that prepubertal children have smaller body dimensions and a poorer mechanical (movement) efficiency, and thus a lower work capacity than adults. However, the scientific evidence indicates that prepubertal children have a greater net contribution of energy derived from aerobic metabolism in exercising muscle and reduced susceptibility to muscular fatigue, which makes them metabolically comparable to well-trained adult endurance athletes. For example, the relative energy contribution from oxidative and non-oxidative (i...
January 2, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28040344/-other-care-in-parkinson-s-disease-psychological-rehabilitation-therapeutic-education-and-new-technologies
#13
Julia Dupouy, Fabienne Ory-Magne, Christine Brefel-Courbon
Diagnosis of Parkinson's disease (PD) is often traumatic. It is then important to organize this announcement in order to support the patient in this major step of his care course. Anxiety and depression are present in about 50% of PD patients. Besides pharmacological treatment, cognitive-behavioral therapy induces improvement in anxio-depressive symptoms. We have to promote physical activity for PD patients, from the beginning of the disease, because it prevents from deconditioning, improves motor and non-motor symptoms, quality of life, and decreases loneliness...
December 28, 2016: La Presse Médicale
https://www.readbyqxmd.com/read/28000175/adaptation-to-microgravity-deconditioning-and-countermeasures
#14
REVIEW
Kunihiko Tanaka, Naoki Nishimura, Yasuaki Kawai
Humans are generally in standing or sitting positions on Earth during the day. The musculoskeletal system supports these positions and also allows motion. Gravity acting in the longitudinal direction of the body generates a hydrostatic pressure difference and induces footward fluid shift. The vestibular system senses the gravity of the body and reflexively controls the organs. During spaceflight or exposure to microgravity, the load on the musculoskeletal system and hydrostatic pressure difference is diminished...
March 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/27994557/intervertebral-disc-swelling-demonstrated-by-3d-and-water-content-magnetic-resonance-analyses-after-a-3-day-dry-immersion-simulating-microgravity
#15
Loïc Treffel, Karen Mkhitaryan, Stéphane Gellee, Guillemette Gauquelin-Koch, Claude Gharib, Stéphane Blanc, Catherine Millet
Background: Vertebral deconditioning is commonly experienced after space flight and simulation studies. Disc herniation is quadrupled after space flight. Purpose: The main hypothesis formulated by the authors is that microgravity results in intervertebral disc (IVD) swelling. Study Design: The aim of the study was to identify the morphological changes of the spine and their clinical consequences after simulated microgravity by 3-day dry immersion (DI). The experimental protocol was performed on 12 male volunteers using magnetic resonance imaging and spectroscopy before and after DI...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27981906/locomotor-training-and-factors-associated-with-blood-glucose-regulation-after-spinal-cord-injury
#16
Philip D Chilibeck, Pierre A Guertin
BACKGROUND: Individuals with spinal cord injury (SCI) have increased rates of glucose intolerance, insulin insensitivity, and type II diabetes caused mainly by the deconditioning of paralyzed muscle. The purpose of this systematic review was to determine the effectiveness of locomotor training in individuals with SCI on blood glucose control. METHODS: We searched studies on locomotor training for individuals with SCI with outcomes of glucose, insulin, or outcomes that could change glucose handling (i...
December 16, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27941237/disentangling-the-health-benefits-of-walking-from-increased-exposure-to-falls-in-older-people-using-remote-gait-monitoring-and-multi-dimensional-analysis
#17
Matthew A Brodie, Yoshiro Okubo, Janneke Annegarn, Rainer Wieching, Stephen R Lord, Kim Delbaere
Falls and physical deconditioning are two major health problems for older people. Recent advances in remote physiological monitoring provide new opportunities to investigate why walking exercise, with its many health benefits, can both increase and decrease fall rates in older people. In this paper we combine remote wearable device monitoring of daily gait with non-linear multi-dimensional pattern recognition analysis; to disentangle the complex associations between walking, health and fall rates. One week of activities of daily living (ADL) were recorded with a wearable device in 96 independent living older people prior to completing 6 months of exergaming interventions...
January 2017: Physiological Measurement
https://www.readbyqxmd.com/read/27932051/functional-and-exercise-limitations-after-a-first-episode-of-pulmonary-embolism-results-of-the-elope-prospective-cohort-study
#18
Susan R Kahn, Andrew M Hirsch, Arash Akaberi, Paul Hernandez, David R Anderson, Philip S Wells, Marc Rodger, Susan Solymoss, Michael J Kovacs, Lawrence Rudski, Avi Shimony, Carole Dennie, Christopher Rush, William H Geerts, Shawn D Aaron, John T Granton
BACKGROUND: We aimed to determine the frequency and predictors of exercise limitation after pulmonary embolism (PE), and to assess its association with health-related quality of life (HRQOL) and dyspnea. METHODS: 100 patients with acute PE were recruited at five Canadian hospitals from 2010-2013. Cardiopulmonary exercise testing (CPET) was performed at 1 and 12 months. Quality of life, dyspnea, six-minute walk distance (6MWD), residual clot burden (perfusion (Q) scan; CT pulmonary angiography (CTPA)), cardiac function (echocardiogram) and pulmonary function tests (PFT) were measured during follow-up...
December 5, 2016: Chest
https://www.readbyqxmd.com/read/27884421/interpreting-the-incremental-cardiopulmonary-exercise-test
#19
REVIEW
Samir Nusair
The incremental cardiopulmonary exercise test (CPET) is an increasingly used diagnostic method that serves to evaluate patients with chief complaint of dyspnea during exercise. Performing maximal symptom-limited CPET can show if the tested subject has a reduced exercise capacity and give clues to the mechanism of such exercise capacity reduction, cardiac, pulmonary, or pulmonary vascular source. In this review, it is suggested that the evaluation of the complex results of CPET should be performed by first determining if myocardial/circulatory insufficiency is present and second if there is gas exchange abnormality...
February 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/27829967/does-virtual-reality-based-kinect-dance-training-paradigm-improve-autonomic-nervous-system-modulation-in-individuals-with-chronic-stroke
#20
Luciana Maria Malosá Sampaio, Savitha Subramaniam, Ross Arena, Tanvi Bhatt
BACKGROUND: Physical inactivity and low resting heart rate variability (HRV) are associated with an increased cardiovascular deconditioning, risk of secondary stroke and mortality. Aerobic dance is a multidimensional physical activity and recent research supports its application as a valid alternative cardiovascular training. Furthermore, technological advances have facilitated the emergence of new approaches for exercise training holding promise, especially those methods that integrate rehabilitation with virtual gaming...
October 2016: Journal of Vascular and Interventional Neurology
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