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Treadmil exercise testing

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https://www.readbyqxmd.com/read/28632593/functional-and-radiographic-outcomes-following-growth-sparing-management-of-early-onset-scoliosis
#1
Charles E Johnston, Dong-Phuong Tran, Anna McClung
BACKGROUND: In this study, we sought to evaluate radiographic, functional, and quality-of-life outcomes of patients who have completed growth-sparing management of early-onset scoliosis. METHODS: This prospective study involved patients with early-onset scoliosis who underwent growth-sparing treatment and either "final" fusion or observation for ≥2 years since the last lengthening procedure. Demographics, radiographic parameters, pulmonary function test (PFT) values, and scores of patient-reported assessments (Early-Onset Scoliosis Questionnaire [EOSQ] and Scoliosis Research Society [SRS]-30) were obtained...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28630579/effects-of-exercise-in-the-fasted-and-postprandial-state-on-interstitial-glucose-in-hyperglycemic-individuals
#2
Håvard Nygaard, Bent R Rønnestad, Daniel Hammarström, Gerd Holmboe-Ottesen, Arne T Høstmark
The purpose of the present study was to test if one bout of moderate exercise performed in either the fasted or the postprandial state affects glucose values measured over 22 hours. Twelve participants diagnosed with hyperglycemia not using antidiabetic medications underwent 3 test days in a randomized cross-over design encompassing one test day without exercise, one test day with 60 min of treadmill walking prior to breakfast, and one test day with an identical bout of exercise 30 min after the start of breakfast...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28627036/validation-of-masks-for-determination-of-v%C3%AC-o2-max-in-horses-exercising-at-high-intensity
#3
R H Sides, R Kirkpatrick, E Renner, K Gough, L M Katz, D L Evans, W M Bayly
BACKGROUND: The need for a horse to be ridden while wearing a measurement device that allows unrestricted ventilation and gas exchange has hampered accurate measurement of its maximal oxygen consumption (V̇O2 max) under field conditions. OBJECTIVES: Design and validate a facemask with the potential to accurately measure V̇O2 max in the field. STUDY DESIGN: Experiment with 6 x 6 Latin square design. METHODS: Two variations of a mask and associated electronic control module (ECM) were designed to enable breath-by-breath measurement of airflows through two 7...
June 19, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28626310/can-blood-pressure-be-measured-during-exercise-with-an-automated-sphygmomanometer-based-on-an-oscillometric-method
#4
Tomoyuki Shinohara, Naoko Tsuchida, Kanako Seki, Tomohiro Otani, Tatsuya Yamane, Yamato Ishihara, Chinatsu Usuda
[Purpose] This study investigated the reliability of an automated sphygmomanometer based on an oscillometric method, when used during exercise. [Subjects and Methods] Ten healthy subjects were included. Blood pressure (BP) was measured with an automated sphygmomanometer based on a cuff-oscillometric method. The experiment consisted of five tests: sitting posture at rest, walking with swinging the upper limbs, walking without swinging the upper limbs, walking on a treadmill, and riding a bicycle ergometer. Right and left brachial artery BP was measured twice at the same times...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28624663/role-of-exercise-electrocardiogram-to-screen-for-t-wave-oversensing-after-implantation-of-subcutaneous-implantable-cardioverter-defibrillator
#5
Muhammad R Afzal, Christopher Evenson, Auroa Badin, Dilesh Patel, Hemant Godara, Michael Essandoh, Toshimasa Okabe, Jaret Tyler, Mahmoud Houmsse, Ralph Augostini, John Hummel, Steven Kalbfleisch, Emile G Daoud, Raul Weiss
BACKGROUND: During early experience with subcutaneous implantable cardioverter defibrillator (S-ICD(TM)), several patients had inappropriate shocks from TWOS during exercise. This prompted some operators to perform routine treadmill exercise test after implantation of S-ICD to screen for TWOS. Meanwhile, improvements have been made in the detection algorithms by the manufacturer. OBJECTIVE: To assess whether routine treadmill exercise post S-ICD(TM) implantation is warranted...
June 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28624257/moderate-exercise-training-decreases-inflammation-in-transgenic-sickle-cell-mice
#6
Emmanuelle Charrin, John J Dubé, Philippe Connes, Vincent Pialoux, Samit Ghosh, Camille Faes, Solomon F Ofori-Acquah, Cyril Martin
Chronic systemic inflammation is a pathophysiological feature of sickle cell disease (SCD). Considering that regular exercise exerts multiple beneficial health effects including anti-inflammatory actions, we investigated whether a treadmill training program could minimize the inflammatory state in transgenic sickle cell (SS) mice. To test this hypothesis, SS mice were subjected to a treadmill training protocol of 1h/day, 5days a week for 8weeks. Exercise training increased the percent of venous oxyhemoglobin and sharply decreased the percent of carboxyhemoglobin suggesting that exercise training may limit the proportion of erythrocytes that were deoxygenated in the venous circulation...
June 13, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28617840/a-new-test-for-diagnosing-vasovagal-syncope-standing-after-treadmill-test-with-sublingual-nitrate-administration
#7
Tae-Hoon Kim, Ho-Jun Jang, Sihun Kim, Sung Yun Cho, Kyung Sun Song, Christopher Pickett, Heiko J Schmitt, Juyong Lee
INTRODUCTION: Increased adrenergic tone might be an additional trigger of orthostatic stress of vasovagal syncope (VVS). Exercise before standing might provide increased sensitivity compared to standing using a sublingual nitroglycerines protocol during tilt table testing. The aim of this study was to evaluate the diagnostic value of treadmill testing before standing with nitroglycerin administration. METHODS AND RESULTS: A total of 36 patients with syncope or presyncope were enrolled for the test...
2017: PloS One
https://www.readbyqxmd.com/read/28613947/the-effects-of-basal-insulin-suspension-at-the-start-of-exercise-on-blood-glucose-levels-during-continuous-versus-circuit-based-exercise-in-individuals-with-type-1-diabetes-on-continuous-subcutaneous-insulin-infusion
#8
Dessi Zaharieva, Loren Yavelberg, Veronica Jamnik, Ali Cinar, Kamuran Turksoy, Michael C Riddell
BACKGROUND: Exercise causes glycemic disturbances in individuals with type 1 diabetes (T1D). Continuous moderate-intensity aerobic exercise (CON) generally lowers blood glucose (BG) levels and often leads to hypoglycemia. In comparison, circuit-based exercise (CIRC) may attenuate the drop in BG. The goal of this study is to contrast the effects of basal insulin suspension at the onset of two different forms of exercise (CON vs. CIRC). METHODS: Twelve individuals (six men and six women) with T1D on insulin pump therapy were recruited for the study...
June 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28612908/association-between-fractional-flow-reserve-and-duke-treadmill-score-in-patients-with-single-vessel-disease
#9
Süleyman Kalaycı, Belma Kalaycı, Ekrem Şahan, Asiye Ayça Ayyılmaz Boyacı
BACKGROUND: Duke Treadmill score (DTS) is an index that provides prognostic information calculated at exercise stress test (EST). Fractional flow reserve (FFR) is an invasive method used to evaluate intermediate coronary stenosis. The direct relation of DTS and FFR has not been studied to date. AIM: The present study aims to investigate the relationship between the Duke Treadmill score (DTS) and fractional flow reserve (FFR). METHODS: The study population consisted of a total of 106 patients who have single-vessel disease, as confirmed by the coronary angiography (CAG), performed following EST, and whose FFRs have been measured...
June 14, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28612902/comparison-of-prognostic-values-of-cardiopulmonary-and-heart-rate-parameters-in-exercise-testing-in-men-with-heart-failure
#10
Łukasz Czubaszewski, Anna Straburzyńska-Lupa, Jacek Migaj, Ewa Straburzyńska-Migaj
BACKGROUND: Cardiopulmonary exercise testing (CPET) is the gold standard in the evaluation of patients with chronic heart failure (CHF). However, this test is relatively expensive, assessment of its results requires experience, and in Poland it is available only in tertiary health care centers. Many heart rate (HR) parameters taken during a standard electrocardiographic (ECG) exercise test also shows prognostic values. Thus, the aim of this study is to compare prognostic values of ventilatory and HR parameters in exercise testing in CHF patients, and to find out if HR parameters can be used instead of ventilatory in the evaluation of a prognosis...
June 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28612121/estimation-of-respiratory-volume-from-thoracoabdominal-breathing-distances-comparison-of-two-models-of-machine-learning
#11
Rémy Dumond, Steven Gastinger, Hala Abdul Rahman, Alexis Le Faucheur, Patrice Quinton, Haitao Kang, Jacques Prioux
PURPOSE: The purposes of this study were to both improve the accuracy of respiratory volume (V) estimates using the respiratory magnetometer plethysmography (RMP) technique and facilitate the use of this technique. METHOD: We compared two models of machine learning (ML) for estimating [Formula: see text]: a linear model (multiple linear regression-MLR) and a nonlinear model (artificial neural network-ANN), and we used cross-validation to validate these models. Fourteen healthy adults, aged [Formula: see text] years participated in the present study...
June 13, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28609218/lung-function-measures-following-simulated-wildland-firefighter-exposures
#12
Matthew D Ferguson, Erin O Semmens, Emily Weiler, Joe Domitrovich, Mary French, Christopher Migliaccio, Charles Palmer, Charles Dumke, Tony Ward
Across the world, biomass smoke is a major source of air pollution and is linked with a variety of adverse health effects. This is particularly true in the western US where wood smoke from wildland forest fires are a significant source of PM2.5. Wildland firefighters are impacted as they experience elevated PM2.5 concentrations over extended periods of time, often occurring during physical exertion. Various epidemiological studies have investigated wood smoke impacts on human health, including occupational field exposures experienced by wildland firefighters...
June 13, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28603381/the-effects-of-pilates-exercise-on-cardiopulmonary-function-in-the-chronic-stroke-patients-a-randomized-controlled-trials
#13
Hee Sung Lim, Sukhoon Yoon
[Purpose] The purpose of this study was to examine the effect of modified Pilates exercise on cardiopulmonary function in chronic stroke patients. [Subjects and Methods] Twenty participants (age, 62.7 ± 7.3 years; height, 163.3 ± 8.5 cm; weight, 68.8 ± 10.3 kg) were recruited for this study, and randomly allocated to the modified Pilates exercise group (n=10) or the control group (n=10). Graded submaximal treadmill exercise test was used to examine the status of patients' cardiopulmonary function, based on maximal oxygen intake, at the end of a patient's exercise tolerance limit...
May 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28602748/effects-of-physical-exercise-and-social-isolation-on-anxiety-related-behaviors-in-two-inbred-rat-strains
#14
F G Mazur, L F G Oliveira, M P Cunha, A L S Rodrigues, R A N Pértile, L F Vendruscolo, G S Izídio
We investigated the effects of physical exercise (PE) on locomotor activity and anxiety-like behavior in Lewis (LEW) and Spontaneously Hypertensive Rats (SHR) male rats. Rats received either four weeks of forced training, 5days/week, on a treadmill (experiment 1) or were given 21days of free access to running wheels (experiment 2). We also tested the effects of social isolation (SI) (seven days of isolation - experiment 3) on behavior. In experiment 1, 20% of LEW rats and 63% of SHR rats completed the training protocol...
June 8, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28597506/skeletal-myofiber-vegf-is-required-for-the-exercise-training-induced-increase-in-dentate-gyrus-neuronal-precursor-cells
#15
Benjamin Rich, Miriam Scadeng, M Yamaguchi, Peter D Wagner, Ellen C Breen
Exercise signals neurogenesis in the dentate gyrus of the hippocampus. This phenomenon requires vascular endothelial growth factor (VEGF) originating from outside the blood brain barrier, but no cellular source has been identified. Thus, we hypothesized that VEGF produced by skeletal myofibers plays a role in regulating hippocampal neuronal precursor cell proliferation following exercise training. This was tested in adult conditional skeletal myofiber-specific VEGF gene-ablated mice (VEGF(HSA-/-) ) by providing VEGF(HSA-/-) and non-ablated (VEGF(f/f) ) littermates with running wheels for 14 days...
June 9, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28591368/dna-damage-in-wistar-kyoto-rats-exercised-during-pregnancy
#16
Mikaela da Silva Corrêa, Rafael Bottaro Gelaleti, Giovana Fernanda Bento, Débora Cristina Damasceno, José Carlos Peraçoli
Purpose: To evaluate DNA damage levels in pregnant rats undergoing a treadmill exercise program. Methods: Wistar Kyoto rats were allocated into two groups (n= 5 animals/group): non-exercise and exercise. The pregnant rats were underwent an exercise protocol on a treadmill throughout pregnancy. Exercise intensity was set at 50% of maximal capacity during maximal exercise testing performed before mating. Body weight, blood pressure and glucose levels, and triglyceride concentration were measured during pregnancy...
May 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28590298/diagnostic-and-prognostic-implications-of-exercise-treadmill-and-rest-first-pass-radionuclide-angiography-in-patients-with-pulmonary-hypertension
#17
Yen-Wen Wu, Pei-Ying Hsu, Yen-Hung Lin, Mei-Fang Cheng, Chi-Lun Ko, Yih-Hwen Huang, Ruoh-Fang Yen, Jin-Shing Chen, Jou-Wei Lin, Hsao-Hsun Hsu
PURPOSE: Pulmonary hypertension (PH) is characterized by abnormally increased pulmonary vascular pressure, leading to deteriorated right ventricular function and premature death. Pulmonary mean transit time (PMTT) and biventricular function response to exercise in first-pass radionuclide angiography (FP-RNA) may provide early detection and timely disease monitoring of PH. This study aimed to investigate the diagnostic and prognostic values of this imaging modality in PH patients. METHODS: Left and right ventricular ejection fraction (LVEF/RVEF) and PMTT at rest and immediately after exercise treadmill test were measured by FP-RNA in 77 consecutive patients with clinical presentations suggestive of PH (aged 46 ± 15 years, 33 men), mostly with symptoms of unexplained progressive dyspnea...
June 5, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28587894/burrowing-as-a-novel-voluntary-strength-training-method-for-mice-a-comparison-of-various-voluntary-strength-or-resistance-exercise-methods
#18
P Roemers, P N Mazzola, P P De Deyn, W J Bossers, M J G van Heuvelen, E A van der Zee
BACKGROUND: Voluntary strength training methods for rodents are necessary to investigate the effects of strength training on cognition and the brain. However, few voluntary methods are available. NEW METHOD: The current study tested functional and muscular effects of two novel voluntary strength training methods, burrowing (digging a substrate out of a tube) and unloaded tower climbing, in male C57Bl6 mice. To compare these two novel methods with existing exercise methods, resistance running and (non-resistance) running were included...
June 3, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28580833/taurine-supplementation-has-anti-atherogenic-and-anti-inflammatory-effects-before-and-after-incremental-exercise-in-heart-failure
#19
Mehdi Ahmadian, Valiollah Dabidi Roshan, Elaheh Aslani, Stephen R Stannard
BACKGROUND: The purpose of this study was to examine the anti-atherogenic and anti-inflammatory effect of supplemental taurine prior to and following incremental exercise in patients with heart failure (HF). METHODS: Patients with HF and left ventricle ejection fraction less than 50%, and placed in functional class II or III according to the New York Heart Association classification, were randomly assigned to two groups: (1) taurine supplementation; or (2) placebo...
June 1, 2017: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/28579149/assessment-of-dyspnea-and-dynamic-hyperinflation-in-male-patients-with-chronic-obstructive-pulmonary-disease-during-a-six-minute-walk-test-and-an-incremental-treadmill-cardiorespiratory-exercise-test
#20
M Alfonso, V Bustamante, P Cebollero, M Antón, S Herrero, J B Gáldiz
The six minute walk test (6MWT) is a standardized test that provides information on exercise capacity in patients with COPD. It is considered a submaximal test in opposition to incremental cardiopulmonary exercise tests (CPET) that provide valuable information on all the systems involved in exercise. OBJECTIVES: 1. To compare the perceptive, physiological responses and degree of dynamic hyperinflation during two exercise tests: the 6MWT and the incremental CPET on a treadmill. 2. To evaluate how dyspnea is related to dynamic hyperinflation (DH) and other functional parameters in both tests...
June 1, 2017: Revista Portuguesa de Pneumologia
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