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Treadmill exercise testing

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https://www.readbyqxmd.com/read/27919426/diagnostic-accuracy-of-treadmill-exercise-tests-among-chinese-women-with-coronary-artery-diseases-a-systematic-review-and-meta-analysis
#1
REVIEW
Yi Sun, Wei Li, Lu Yin, Limei Wei, Yang Wang
BACKGROUND: The treadmill exercise test (TET) is one of the most common noninvasive diagnosis approaches for ischemic heart diseases, but potential reduction of TET accuracy among Chinese female patients was ignored by most studies, especially in perimenopause women. Hence, we aim to perform a systematic review and meta-analysis evaluating the TET diagnostic accuracy for Chinese women compared with coronary angiography (CAG). METHODS: PubMed, MEDLINE, EMBASE, CNKI and WANFANG (1990 to 2015) were performed to identify studies assessing the diagnostic accuracy of TET versus CAG...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27919265/fatigue-in-patients-with-juvenile-idiopathic-arthritis-relationship-to-perceived-health-physical-health-self-efficacy-and-participation
#2
Wineke Armbrust, Otto H T M Lelieveld, Jolanda Tuinstra, Nico M Wulffraat, G J F Joyce Bos, Jeannette Cappon, Marion A J van Rossum, Pieter J J Sauer, Mariët Hagedoorn
BACKGROUND: Fatigue is common in patients with JIA and affects daily life negatively. We assessed the presence and severity of fatigue in patients with JIA, including factors presumed associated with fatigue (e.g., disease activity, disability, pain, physical activity, exercise capacity, and self-efficacy), and whether fatigue is related to participation in physical education classes, school attendance, and sports frequency. METHODS: The current study used baseline data of 80 patients with JIA (age 8-13) who participated in an intervention aimed at promoting physical activity...
December 6, 2016: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/27919170/validation-of-the-fitbit-one-garmin-vivofit-and-jawbone-up-activity-tracker-in-estimation-of-energy-expenditure-during-treadmill-walking-and-running
#3
Kym Price, Stephen R Bird, Noel Lythgo, Isaac S Raj, Jason Y L Wong, Chris Lynch
OBJECTIVES: To determine the validity of energy expenditure estimation made by the Fitbit One, Garmin Vivofit and Jawbone UP activity trackers during treadmill walking and running. Determining validity of such trackers will inform the interpretation of the data they generate. DESIGN: Cross-sectional study. METHOD: Fourteen adults walked at 0.70, 1.25, 1.80 ms(-1) and ran at 2.22, 2.78, 3.33 ms(-1) on a treadmill wearing a Fitbit One, Garmin Vivofit and Jawbone UP...
December 5, 2016: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/27918079/high-intensity-treadmill-running-impairs-cognitive-behavior-and-hippocampal-synaptic-plasticity-of-rats-via-activation-of-inflammatory-response
#4
Li-Na Sun, Xiao-Long Li, Fei Wang, Jun Zhang, Dan-Dan Wang, Li Yuan, Mei-Na Wu, Zhao-Jun Wang, Jin-Shun Qi
Although appropriate exercise is beneficial for enhancing brain functions, high-intensity exercise (HIE)-induced cognitive dysfunction is causing more and more concerns nowadays. In the present study, we observed the effects of high-intensity treadmill running on the spatial learning of the adult Sprague Dawley male rats in Y-maze (n = 16 per group), and investigated its possible electrophysiological and molecular mechanisms by examining in vivo hippocampal long-term potentiation (LTP), central inflammatory responses, and JNK/p38/ERK signal pathway...
December 5, 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27916321/exercise-induced-quantitative-microvolt-t-wave-alternans-in-hypertrophic-cardiomyopathy
#5
Murillo de Oliveira Antunes, Nelson Samesima, Horacio Gomes Pereira Filho, Afonso Yoshikiro Matsumoto, Richard L Verrier, Carlos Alberto Pastore, Edmundo Arteaga-Fernández, Charles Mady
BACKGROUND/PURPOSE: Patients with hypertrophic cardiomyopathy (HCM) have elevated risk for sudden cardiac death (SCD). Our study aimed to quantitatively characterize microvolt T-wave alternans (TWA), a potential arrhythmia risk stratification tool, in this HCM patient population. METHODS: TWA was analyzed with the quantitative modified moving average (MMA) in 132 HCM patients undergoing treadmill exercise testing, grouped according to Maron score risk factors as high-risk (H-Risk, n=67,), or low-risk (L-Risk, n=65, without these risk factors)...
October 28, 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/27915477/treadmill-exercise-improves-memory-function-depending-on-circadian-rhythm-changes-in-mice
#6
Dong Sup Hwang, Hyo Bum Kwak, Il Gyu Ko, Sung Eun Kim, Jun Jang Jin, Eun Sang Ji, Hyun Hee Choi, Oh Young Kwon
PURPOSE: Exercise enhances memory function by increasing neurogenesis in the hippocampus, and circadian rhythms modulate synaptic plasticity in the hippocampus. The circadian rhythm-dependent effects of treadmill exercise on memory function in relation with neurogenesis were investigated using mice. METHODS: The step-down avoidance test was used to evaluate short-term memory, the 8-arm maze test was used to test spatial learning ability, and 5-bromo-2'-deoxyuridine immunofluorescence was used to assess neurogenesis...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27915207/fixed-distance-walk-tests-at-comfortable-and-fast-speed-potential-tools-for-the-functional-assessment-of-coronary-patients
#7
Marie-Doriane Morard, Delphine Besson, Davy Laroche, Alexandre Naaïm, Vincent Gremeaux, Jean-Marie Casillas
OBJECTIVES: There is ambiguity concerning the walk tests available for functional assessment of coronary patients, particularly for the walking speed. This study explores the psychometric properties of two walking tests, based on fixed-distance tests, at comfortable and fast velocity, in stabilized patients at the end of a cardiac rehabilitation program. METHODS: At a three-day interval 58 coronary patients (mean age of 64.85±6.03 years, 50 men) performed three walk tests, the first two at a comfortable speed in a random order (6-minute walk test - 6MWT - and 400-metre comfortable walk test - 400mCWT) and the third at a brisk speed (200-metre fast walk test - 200mFWT)...
November 30, 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27914305/effectiveness-of-a-cross-circuit-exercise-training-program-in-improving-the-fitness-of-overweight-or-obese-adolescents-with-intellectual-disability-enrolled-in-special-education-schools
#8
Wen-Lan Wu, Yu-Fen Yang, I-Hua Chu, Hsiu-Tao Hsu, Feng-Hua Tsai, Jing-Min Liang
This study assessed the effects of a cross-circuit training intervention program on the body composition, cardiorespiratory fitness, balance, and muscular strength endurance of overweight or obese students with intellectual disability. A total of 43 students with intellectual disability (aged 13-19 years) were enrolled in this program; 28 overweight/obese students were assigned to either an obesity-control group (n=14) or obesity-exercise group (n=14), and those with normal weight were assigned to a normal weight group (n=15)...
November 30, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27913834/key-role-of-pacing-site-as-determinant-factor-of-exercise-testing-performance-in-pediatric-patients-with-chronic-ventricular-pacing
#9
Michel Cabrera Ortega, Hiram Tápanes Duamy, Dunia B Benítez Ramos
Chronic right ventricular (RV) apical pacing has been associated with deterioration of functional capacity and chronotropic incompetence during exercise testing in children. The effects of alternative pacing site on exercise performance in pediatric population remain unknown. We evaluated the influence of ventricular pacing site on exercise capacity in pediatric patients with complete congenital atrioventricular block requiring permanent pacemaker therapy. Sixty-four children paced from RV apex (n = 26), RV midseptum (n = 15) and left ventricular (LV) apex (n = 23) were studied cross-sectionally...
December 2, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27909228/divergent-outcomes-of-fructose-consumption-on-exercise-capacity-of-rats-friend-or-foe
#10
Angela Sun, An Huang, Elizabeth Kertowidjojo, Su Song, Thomas H Hintze, Dong Sun
To test the hypothesis that high fructose (HF) consumption divergently affects exercise capability, as a function of feeding duration, rats were fed a normal (as control) or a normal caloric diet with HF for 3, 6, 10 and 30 days respectively, and run on a treadmill. Results show that running distance and work were significantly increased, associated with greater exercise oxygen consumption in rats fed HF for 3 (HF-3D) and 6 days, but were decreased in rats fed HF for 30 days (HF-30D) compared to their respective control rats...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27908464/effects-of-different-duration-exercise-programs-in-children-with-severe-burns
#11
Robert P Clayton, Paul Wurzer, Clark R Andersen, Ronald P Mlcak, David N Herndon, Oscar E Suman
INTRODUCTION: Burns lead to persistent and detrimental muscle breakdown and weakness. Standard treatment at our institution includes a voluntary 12-week rehabilitative exercise program to limit and reverse the effects of increased muscle catabolism. In the present work, we investigated if different durations of exercise, 6 or 12 weeks, produce comparable improvements in muscle strength, body composition, and cardiopulmonary fitness. METHODS: We prospectively enrolled and randomized patients with ≥30% total body surface area (TBSA) burned to receive 6 or 12 weeks of exercise rehabilitation...
November 28, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/27901338/determinant-factors-of-peak-treadmill-speed-in-physically-active-men
#12
Leonardo Alves Pasqua, Mayara V Damasceno, Salomão Bueno, Alessandro M Zagatto, Gustavo G DE Araújo, Adriano E Lima-Silva, Rômulo Bertuzzi
BACKGROUND: The aim of the present study was to determine whether physiological factors and maximal dynamic strength are able to determine the peak treadmill speed (PTS) in physically active individuals. METHODS: One hundred and fifty physically active healthy males voluntarily visit the laboratory on three separate occasions and underwent the following activities: first visit: IPAQ (short version), anthropometric measurements, and a maximal incremental test performed for physiological variables (maximal oxygen uptake ( ) and respiratory compensation point (RCP); second visit: constant speed test for running economy (RE) measurement, and familiarization with the maximum dynamic strength (1RM) test in the leg press exercise; third visit: 1RM test...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27892886/safety-profile-and-utility-of-treadmill-exercise-in-patients-with-high-gradient-hypertrophic-cardiomyopathy
#13
Lars Lindholm Sorensen, Hsin-Yueh Liang, Aurelio Pinheiro, Alex Hilser, Veronica Dimaano, Niels Thue Olsen, Thomas Fritz Hansen, Peter Sogaard, Alexandra Nowbar, Chiara Pisanello, Iraklis Pozios, Susan Phillip, Xun Zhou, Roselle Abraham, Theodore P Abraham
: Exercise echocardiography in the evaluation of hypertrophic cardiomyopathy (HCM) provides valuable information for risk stratification, selection of optimal treatment, and prognostication. However, HCM patients with left ventricular outflow tract gradients ≥30mm Hg are often excluded from exercise testing because of safety considerations. We examined the safety and utility of exercise testing in patients with high-gradient HCM. METHODS: We evaluated clinical characteristics, hemodynamics, and imaging variables in 499 consecutive patients with HCM who performed 959 exercise tests...
October 20, 2016: American Heart Journal
https://www.readbyqxmd.com/read/27889837/exercise-training-effects-on-memory-and-hippocampal-viscoelasticity-in-multiple-sclerosis-a-novel-application-of-magnetic-resonance-elastography
#14
Brian M Sandroff, Curtis L Johnson, Robert W Motl
INTRODUCTION: Cognitive impairment is common and debilitating among persons with multiple sclerosis (MS) and might be managed with exercise training. However, the effects of exercise training on viscoelastic brain properties in this population are unknown. The present pilot study adopted a single-blind randomized controlled trial (RCT) design and is the first to examine the effect of an aerobic exercise training intervention on learning and memory and hippocampal viscoelasticity using magnetic resonance elastography (MRE) in persons with MS...
November 26, 2016: Neuroradiology
https://www.readbyqxmd.com/read/27882731/reproducibility-of-corrected-qt-interval-in-pediatric-genotyped-long-qt-syndrome
#15
Yoshiharu Ogawa, Toshikatsu Tanaka, Sachiko Kido
Reproducibility of corrected QT interval (QTc), especially QTc after exercise, has not been thoroughly investigated. We reviewed charts of pediatric patients who underwent treadmill-exercise stress testing without medication multiple times within 1 year. In patients with long-QT syndrome (LQTS; n = 22), the discrepancy in QTc between two treadmill exercise stress tests using Fridericia's formula was 14 ± 12 ms at rest, 13 ± 12 ms 4 min after exercise, with a maximum of 14 ± 12 ms after exercise. There was no statistically significant difference in QTc between the two tests...
November 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27874299/cooling-effectiveness-of-a-modified-cold-water-immersion-method-after-exercise-induced-hyperthermia
#16
Katherine E Luhring, Cory L Butts, Cody R Smith, Jeffrey A Bonacci, Ramon C Ylanan, Matthew S Ganio, Brendon P McDermott
CONTEXT:  Recommended treatment for exertional heat stroke includes whole-body cold-water immersion (CWI). However, remote locations or monetary or spatial restrictions can challenge the feasibility of CWI. Thus, the development of a modified, portable CWI method would allow for optimal treatment of exertional heat stroke in the presence of these challenges. OBJECTIVE:  To determine the cooling rate of modified CWI (tarp-assisted cooling with oscillation [TACO]) after exertional hyperthermia...
November 22, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27870794/comparison-of-measures-of-maximal-and-submaximal-fitness-in-response-to-exercise
#17
John Clarke, Louise de Lannoy, Robert Ross
INTRODUCTION: Adoption of physical activity (PA) consistent with current guidelines does not improve cardiorespiratory fitness (VO2peak, (mCRF)) beyond the error of measurement for approximately 30% of adults. Whether PA improves measures of exercise tolerance at submaximal levels (submaximal cardiorespiratory fitness (sCRF)) independent of change in mCRF is unknown. Here we assessed the relationship between exercise-induced changes in mCRF and sCRF. METHODS: Twenty-five physically inactive men aged 30-60 years ([mean (SD)], 44...
November 19, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27867360/inflammatory-cytokines-and-bdnf-response-to-high-intensity-intermittent-exercise-effect-the-exercise-volume
#18
Carolina Cabral-Santos, Carlos I M Castrillón, Rodolfo A T Miranda, Paula A Monteiro, Daniela S Inoue, Eduardo Z Campos, Peter Hofmann, Fábio S Lira
The purpose of this study was to compare the effects of two similar high-intensity intermittent exercises (HIIE) but different volume 1.25 km (HIIE1.25) and 2.5 km (HIIE2.5) on inflammatory and BDNF responses. Ten physically active male subjects (age 25.22 ± 1.74 years, body mass 78.98 ± 7.31 kg, height 1.78 ± 0.06 m, VO2peak 59.94 ± 9.38 ml·kg·min(-1)) performed an incremental treadmill exercise test and randomly completed two sessions of HIIE on a treadmill (1:1 min at vVO2max with passive recovery)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27859607/a-new-method-for-evaluation-of-the-autonomic-nervous-system-in-patients-with-idiopathic-hyperhidrosis-systolic-blood-pressure-and-heart-rate-recovery-after-graded-exercise
#19
Y I Alihanoglu, B S Yildiz, I D Kilic, A Saricopur, M Oncu, I Buber, L Tasli, H Evrengul
BACKGROUND: Idiopathic hyperhidrosis (IH) is characterized by excessive and uncontrolled production of sweat, mainly localized to the soles, palms, axillae and craniofacial area. Although IH is a disease concerning the autonomic nervous system, it is not clear yet whether this dysfunction is local or systemic. OBJECTIVE: To evaluate the autonomic control of cardiovascular system by measuring values of heart rate recovery (HRR) and systolic blood pressure recovery (SBPR) obtained at various time intervals after maximal graded exercise treadmill testing in patients with IH compared with controls...
December 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27858403/cardiac-rehabilitation-in-an-adolescent-with-digeorge-syndrome-a-case-report
#20
Dong J Kim, Ka Y Lee, Yuri Choe, Jae Y Han, In S Choi
BACKGROUND: Digeorge syndrome is a rare disease that has variable clinical symptoms resulting from 22q11 deletions, included cardiac abnormality, abnormal face and thymic aplasia, and cognitive impairment. There was a no reports regarding the efficiency of cardiac rehabilitation (CR) in patients with Digeorge syndrome with tetralogy of fallot. CASE REPORT: A 15-year-old girl with DGS visited our CR center. The patient carried out the exercise training 3 times a week for 6 weeks, using a treadmill with electrocardiogram monitoring...
November 18, 2016: European Journal of Physical and Rehabilitation Medicine
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