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exercise cardiopulmonary test

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https://www.readbyqxmd.com/read/28943177/the-association-between-performance-parameters-of-physical-fitness-and-postoperative-outcomes-in-patients-undergoing-colorectal-surgery-an-evaluation-of-care-data
#1
A F J M Heldens, B C Bongers, A F Lenssen, L P S Stassen, W F Buhre, N L U van Meeteren
BACKGROUND: Preoperative cardiorespiratory fitness, as measured by cardiopulmonary testing or estimated using the less sophisticated incremental shuttle walk test, timed up-and-go test or stair climb test is known to be associated with postoperative outcome. This study aimed to evaluate whether parameters of physical fitness are associated with postoperative outcome in patients with colorectal cancer scheduled for elective resection. PATIENTS AND METHODS: Perioperative data of patients who underwent colorectal resection at Maastricht University Medical Center were retrospectively analyzed...
September 7, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28942874/contribution-of-central-and-peripheral-factors-at-peak-exercise-in-heart-failure-patients-with-progressive-severity-of-exercise-limitation
#2
Alberico Del Torto, Nicoletta Corrieri, Carlo Vignati, Piero Gentile, Gaia Cattadori, Stefania Paolillo, Piergiuseppe Agostoni
BACKGROUND: A reduced cardiac output (CO) response during exercise is a major limiting factor in heart failure (HF). Oxygen consumption (VO2) is directly proportional to CO. Peripheral mechanisms via arteriovenous oxygen difference (Δ(a-v)O2) play a pivotal role in chronic HF. We hypothesized a weak correlation between peak VO2 and peak CO with a greater Δ(a-v)O2 variability in most severe HF. METHODS: We analyzed 278 HF patients (NYHA II-III) who performed maximal cardiopulmonary exercise test with non-invasive CO measurement by inert gas rebreathing...
December 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28938456/growth-hormone-improves-cardiopulmonary-capacity-and-body-composition-in-children-with-growth-hormone-deficiency
#3
Donatella Capalbo, Flavia Barbieri, Nicola Improda, Francesco Giallauria, Elisa Di Pietro, Antonio Rapacciuolo, Raffaella Di Mase, Carlo Vigorito, Mariacarolina Salerno
Context: Growth hormone deficiency (GHD) in children may be associated with early cardiovascular risk factors and alterations in left ventricular (LV) structure and function; however, data on cardiopulmonary functional capacity are lacking. Objectives: Aim of the study was to evaluate the effect of GHD and GH therapy on cardiopulmonary functional capacity, left and right cardiac structure and function, and body composition in children and adolescents. Design: Prospective, case-control study...
August 29, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28937981/cognitive-function-in-patients-with-stable-coronary-heart-disease-related-cerebrovascular-and-cardiovascular-responses
#4
Mathieu Gayda, Vincent Gremeaux, Louis Bherer, Martin Juneau, Joffrey Drigny, Olivier Dupuy, Gabriel Lapierre, Véronique Labelle, Annik Fortier, Anil Nigam
Chronic exercise has been shown to prevent or slow age-related decline in cognitive functions in otherwise healthy, asymptomatic individuals. We sought to assess cognitive function in a stable coronary heart disease (CHD) sample and its relationship to cerebral oxygenation-perfusion, cardiac hemodynamic responses, and [Formula: see text] peak compared to age-matched and young healthy control subjects. Twenty-two young healthy controls (YHC), 20 age-matched old healthy controls (OHC) and 25 patients with stable CHD were recruited...
2017: PloS One
https://www.readbyqxmd.com/read/28937582/design-of-the-exercise-mri-evaluation-of-hiv-pulmonary-arterial-hypertension-longitudinal-determinants-exhalted-trial
#5
Mohamad Amer Alaiti, Aditya Goud, Gautam Ramani, Sashwatee Bagchi, Sadeer Al-Kindi, Steven Sawicki, Christopher Longenecker, Trevor Jenkins, David Pauza, Myung Park, Grace McComsey, Orlando Simonetti, Brian Hoit, Sanjay Rajagopalan
BACKGROUND: Pulmonary arterial hypertension (PAH) is a potentially serious cause of dyspnea and exercise limitation in patients with HIV infection. In this trial, we propose using exercise MRI in conjunction with cardiopulmonary testing to delineate PAH from other causes of cardiovascular dysfunction, identify individuals with exercise-induced PAH who are at high risk of developing resting PAH, and provide longitudinal estimates of progression of PAH and right ventricular function. METHODS: In this prospective observational study, HIV patients with dyspnea and exercise limitation in the absence of identifiable causes and those who meet the inclusion criteria will be enrolled based on resting pulmonary artery pressure (≤ or >40 mmHg) on a screening echocardiogram and exercise limitation on the Modified Medical Research Council dyspnea scale...
September 20, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28935040/cardiopulmonary-exercise-testing-what-is-its-value
#6
REVIEW
Marco Guazzi, Francesco Bandera, Cemal Ozemek, David Systrom, Ross Arena
Compared with traditional exercise tests, cardiopulmonary exercise testing (CPET) provides a thorough assessment of exercise integrative physiology involving the pulmonary, cardiovascular, muscular, and cellular oxidative systems. Due to the prognostic ability of key variables, CPET applications in cardiology have grown impressively to include all forms of exercise intolerance, with a predominant focus on heart failure with reduced or with preserved ejection fraction. As impaired cardiac output and peripheral oxygen diffusion are the main determinants of the abnormal functional response in cardiac patients, invasive CPET has gained new popularity, especially for diagnosing early heart failure with preserved ejection fraction and exercise-induced pulmonary hypertension...
September 26, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28932743/exercise-affects-cardiopulmonary-function-in-patients-with-chronic-kidney-disease-a-meta-analysis
#7
REVIEW
Hongchang Yang, Xueping Wu, Min Wang
This study aimed to comprehensively assess the effects of exercise on cardiopulmonary function indices in patients with chronic kidney disease (CKD). A literature review was performed by searching literatures in PubMed and Embase before June 2016. Studies were selected based on predefined inclusion and exclusion criteria, followed by data extraction and a quality assessment of the included studies using the Cochrane Collaboration's tool. Correlations between exercise and cardiopulmonary function indices [pulse wave velocity, respiratory exchange ratio, and peak oxygen uptake (VO2 peak)] were then evaluated using mean differences and 95% confidence intervals...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28930880/cycling-power-outputs-predict-functional-threshold-power-and-maximum-oxygen-uptake
#8
Joshua Denham, John Scott-Hamilton, Amanda D Hagstrom, Adrian J Gray
Functional threshold power (FTP) has emerged as a correlate of lactate threshold and is commonly assessed by recreational and professional cyclists for tailored exercise programing. To identify whether results from traditional aerobic and anaerobic cycling tests could predict FTP and V˙ O2max, we analysed the association between estimated FTP, maximum oxygen uptake (V˙ O2max [mlkgmin]) and power outputs obtained from a maximal cycle ergometry cardiopulmonary exercise test (CPET) and a 30-s Wingate test in a heterogeneous cohort of cycle-trained and untrained individuals (N=40, mean±SD; age: 32...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28929529/correlation-between-myocardial-deformation-on-three-dimensional-speckle-tracking-echocardiography-and-cardiopulmonary-exercise-testing
#9
Mei Li, Yaran Lu, Cui Fang, Xiaorong Zhang
PURPOSE: Heart failure (HF) is a multifactorial entity that combines derangements in both systolic and diastolic function. The relationship between systolic and diastolic function and exercise capacity is not fully understood. We sought to determine the mechanisms linking cardiac function and exercise tolerance in patients with HF. METHODS: One hundred fifty-six subjects with different cardiac function levels were included in the study. Subjects' 2D echocardiographic, 3D speckle tracking echocardiographic, and cardiopulmonary exercise testing (CPET) data were collected...
September 19, 2017: Echocardiography
https://www.readbyqxmd.com/read/28925073/role-of-cardiopulmonary-exercise-testing-in-clinical-stratification-in-heart-failure-a-position-paper-from-the-committee-on-exercise-physiology-and-training-of-the-heart-failure-association-of-the-european-society-of-cardiology
#10
REVIEW
Ugo Corrà, Pier Giuseppe Agostoni, Stefan D Anker, Andrew J S Coats, Maria G Crespo Leiro, Rudolph A de Boer, Veli-Pekka Hairola, Loreena Hill, Mitja Lainscak, Lars H Lund, Marco Metra, Piotr Ponikowski, Jillian Riley, Petar M Seferović, Massimo F Piepoli
Traditionally, the main indication for cardiopulmonary exercise testing (CPET) in heart failure (HF) was for the selection of candidates to heart transplantation: CPET was mainly performed in middle-aged male patients with HF and reduced left ventricular ejection fraction. Today, CPET is used in broader patients' populations, including women, elderly, patients with co-morbidities, those with preserved ejection fraction, or left ventricular assistance device recipients, i.e. individuals with different responses to incremental exercise and markedly different prognosis...
September 18, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28919370/with-age-a-lower-individual-breathing-reserve-is-associated-with-a-higher-maximal-heart-rate
#11
Martin Burtscher, Hannes Gatterer, Martin Faulhaber, Johannes Burtscher
INTRODUCTION: Maximal heart rate (HRmax) is linearly declining with increasing age. Regular exercise training is supposed to partly prevent this decline, whereas sex and habitual physical activity do not. High exercise capacity is associated with a high cardiac output (HR x stroke volume) and high ventilatory requirements. Due to the close cardiorespiratory coupling, we hypothesized that the individual ventilatory response to maximal exercise might be associated with the age-related HRmax...
September 14, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28919241/cardiopulmonary-exercise-testing-in-patients-with-heart-failure-and-a-preserved-ejection-fraction-filling-the-prognostic-knowledge-gap
#12
Cemal Ozemek, Ross Arena
No abstract text is available yet for this article.
September 14, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28918895/a-method-for-determining-exercise-oscillatory-ventilation-in-heart-failure-prognostic-value-and-practical-implications
#13
Baruch Vainshelboim, Aisha Amin, Jeffrey W Christle, Shreyas Hebbal, Euan A Ashley, Jonathan Myers
BACKGROUND: Exercise oscillatory ventilation (EOV) has been shown to be a powerful prognostic marker in chronic heart failure (CHF). However, EOV is poorly defined, its measurement lacks standardization and it is underutilized in clinical practice. The purpose of this pilot study was to investigate the prognostic value of a modified definition of EOV in patients with CHF. METHODS: Eighty-nine CHF patients (56.5±8.4years) (64% NYHA class III-IV) underwent cardiopulmonary exercise testing...
September 14, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28915226/pulmonary-vascular-function-and-aerobic-exercise-capacity-at-moderate-altitude
#14
Vitalie Faoro, Gael Deboeck, Marco Vicenzi, Anne-Fleur Gaston, Bamodi Simaga, Grégory Doucende, Ilona Hapkova, Emma Roca, Enric Subirats, Fabienne Durand, Robert Naeije
PURPOSE: There has been suggestion that a greater "pulmonary vascular reserve" defined by a low pulmonary vascular resistance (PVR) and a high lung diffusing capacity (DL) allow for a superior aerobic exercise capacity. How pulmonary vascular reserve might affect exercise capacity at moderate altitude is not known. METHODS: Thirty-eight healthy subjects underwent an exercise stress echocardiography of the pulmonary circulation, combined with measurements of DL for nitric oxide (NO) and carbon monoxide (CO) and a cardiopulmonary exercise test at sea level and at an altitude of 2250 m...
October 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28910330/quality-of-life-measures-predict-cardiovascular-health-and-physical-performance-in-chronic-renal-failure-patients
#15
A Rogan, K McCarthy, G McGregor, T Hamborg, G Evans, S Hewins, N Aldridge, S Fletcher, N Krishnan, R Higgins, D Zehnder, S M Ting
BACKGROUND: Patients with advanced chronic kidney disease (CKD) experience complex functional and structural changes of the cardiopulmonary and musculoskeletal system. This results in reduced exercise tolerance, quality of life and ultimately premature death. We investigated the relationship between subjective measures of health related quality of life and objective, standardised functional measures for cardiovascular and pulmonary health. METHODS: Between April 2010 and January 2013, 143 CKD stage-5 or CKD5d patients (age 46...
2017: PloS One
https://www.readbyqxmd.com/read/28895507/functional-impact-of-exercise-pulmonary-hypertension-in-patients-with-borderline-resting-pulmonary-arterial-pressure
#16
Rudolf K F Oliveira, Mariana Faria-Urbina, Bradley A Maron, Mario Santos, Aaron B Waxman, David M Systrom
Borderline resting mean pulmonary arterial pressure (mPAP) is associated with adverse outcomes and affects the exercise pulmonary vascular response. However, the pathophysiological mechanisms underlying exertional intolerance in borderline mPAP remain incompletely characterized. In the current study, we sought to evaluate the prevalence and functional impact of exercise pulmonary hypertension (ePH) across a spectrum of resting mPAP's in consecutive patients with contemporary resting right heart catheterization (RHC) and invasive cardiopulmonary exercise testing...
July 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/28883851/improvement-of-exercise-tolerance-in-cardiopulmonary-testing-with-sustained-safety-after-regular-training-in-outpatients-with-systolic-heart-failure-nyha-iii-and-an-implantable-cardioverter-defibrillator-prospective-18-month-randomized-study
#17
Edyta Smolis-Bąk, Hanna Rymuza, Barbara Kazimierska, Ilona Kowalik, Tomasz Chwyczko, Anna Borowiec, Witold Rongies, Agnieszka Jankowska, Hanna Szwed, Rafał Dąbrowski
INTRODUCTION: The aim of the study was to evaluate the impact of individual training on the level of physical capacity and echocardiographic parameters in patients with systolic heart failure (SHF), NYHA III and an implantable cardioverter-defibrillator (ICD). MATERIAL AND METHODS: The study included 84 patients with SHF, randomly assigned to one of two groups: with regular training (ICD-Ex) and a control group (ICD-control). The ICD-Ex group participated in a hospital rehabilitation program which after discharge was individually continued for 6 months in an outpatient setting...
August 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28882651/in-cystic-fibrosis-lung-clearance-index-is-sensitive-to-detecting-abnormalities-appearing-at-exercise-in-children-with-normal-spirometry
#18
Riyadh Chelabi, Thibaud Soumagne, Alicia Guillien, Marc Puyraveau, Bruno Degano
Symptom-limited incremental cardiopulmonary exercise test was performed in school-age children with clinically stable cystic fibrosis (CF), all with normal spirometry. Physiological parameters were compared between patients with normal lung clearance index (LCI; n=6) and patients with elevated LCI (n=6). Dyspnoea ratings during exercise were similar in both groups. Although no patient had significant dynamic hyperinflation, end-expiratory lung volumes were higher throughout exercise in patients with elevated LCI...
September 4, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28882061/feasibility-of-a-home-based-exercise-intervention-with-remote-guidance-for-patients-with-stable-grade-ii-and-iii-gliomas-a-pilot-randomized-controlled-trial
#19
Karin Gehring, Corelien Jj Kloek, Neil K Aaronson, Kasper W Janssen, Lee W Jones, Margriet M Sitskoorn, Martijn M Stuiver
OBJECTIVE: In this pilot study, we investigated the feasibility of a home-based, remotely guided exercise intervention for patients with gliomas. DESIGN: Pilot randomized controlled trial (RCT) with randomization (2:1) to exercise or control group. SUBJECTS: Patients with stable grade II and III gliomas. INTERVENTION: The six-month intervention included three home-based exercise sessions per week at 60%-85% of maximum heart rate...
September 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28878952/pathophysiology-of-exercise-intolerance-in-chronic-diseases-the-role-of-diminished-cardiac-performance-in-mitochondrial-and-heart-failure-patients
#20
Jodi McCoy, Matthew Bates, Christopher Eggett, Mario Siervo, Sophie Cassidy, Jane Newman, Sarah A Moore, Grainne Gorman, Michael I Trenell, Lazar Velicki, Petar M Seferovic, John G F Cleland, Guy A MacGowan, Doug M Turnbull, Djordje G Jakovljevic
OBJECTIVE: Exercise intolerance is a clinical hallmark of chronic conditions. The present study determined pathophysiological mechanisms of exercise intolerance in cardiovascular, neuromuscular, and metabolic disorders. METHODS: In a prospective cross-sectional observational study 152 patients (heart failure reduced ejection fraction, n=32; stroke, n=34; mitochondrial disease, n=28; type two diabetes, n=28; and healthy controls, n=30) performed cardiopulmonary exercise testing with metabolic and haemodynamic measurements...
2017: Open Heart
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