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Cardiopulmonary exercise testing

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https://www.readbyqxmd.com/read/28915226/pulmonary-vascular-function-and-aerobic-exercise-capacity-at-moderate-altitude
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28876372/functional-capacity-in-congenital-heart-disease-a-systematic-review-and-meta-analysis
#8
Camila Wohlgemuth Schaan, Aline Chagastelles Pinto de Macedo, Graciele Sbruzzi, Daniel Umpierre, Beatriz D Schaan, Lucia Campos Pellanda
BACKGROUND: Children and adolescents with congenital heart disease often have alterations in their exercise capacity that can be evaluated by various functional testing. OBJECTIVE: To evaluate the functional capacity of children and adolescents with congenital heart disease (CHD) with systematic review and meta-analyses. METHODS: The review included observational studies, data from the first evaluation of randomized clinical trials or observational follow-up periods after clinical trials which evaluated functional capacity by cardiopulmonary exercise test, stress testing, six-minute walk test or step test, in children and adolescents with CHD, aged between six and 18 years, and comparisons with healthy controls in the same age group...
September 4, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28875971/-exercise-capacity-in-patients-with-pulmonary-sarcoidosis
#9
Justyna Błaut-Jurkowska, Klaudia Knap, Magdalena Kaźnica-Wiatr, Agnieszka Żygadło, Lidia Tomkiewicz-Pająk, Piotr Podolec, Maria Olszowska
Exertional dyspnea is a common manifestation of sarcoidosis. Cardiopulmonary exercise testing (CPET) is a useful tool to evaluate exercise tolerance of sarcoid patients. AIM: The aim of the study was to evaluate of exercise capacity in patients with pulmonary sarcoidosis with regard to duration of the disease. Analysis of differences in physical tolerance between patients with cardiac sarcoidosis and without cardiac sarcoidosis. MATERIALS AND METHODS: 39 patients diagnosed with pulmonary sarcoidosis were enrolled to our study...
August 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28874329/outcome-after-turndown-for-elective-abdominal-aortic-aneurysm-surgery
#10
Joshua D Whittaker, Lewis Meecham, Virginia Summerour, Sheirin Khalil, Georgia Layton, Marianne Yousif, Adrian Jennings, Micheal Wall, Jeremy Newman
OBJECTIVES: The aim was to assess the survival of patients who had been turned down for repair of an abdominal aortic aneurysm (AAA) and to examine the factors influencing this. METHODS: This was a retrospective observational study of a prospectively maintained database of all patients turned down for AAA intervention by the Black Country Vascular Network multidisciplinary team (MDT) from January 2013 to December 2015. Data on AAA size, cardiopulmonary exercise testing (CPET) and cause of death were recorded...
September 2, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28867128/severely-impaired-cardiorespiratory-fitness-in-patients-with-recently-decompensated-systolic-heart-failure
#11
Justin McNair Canada, Cory Ross Trankle, Leo Francis Buckley, Salvatore Carbone, Nayef Antar Abouzaki, Dinesh Kadariya, Keyur Shah, Richard Cooke, Michael Christopher Kontos, Jaideep Patel, Pranav Mankad, Aaron Schatz, Amit Bhatnagar, Ross Arena, Benjamin Wallace Van Tassell, Antonio Abbate
Hospital admission for decompensated heart failure marks a critical inflection point in a patient's health. Despite the improvement in signs or symptoms during hospitalization, patients have a high likelihood of readmission, reflecting a lack of resolution of the underlying condition. Surprisingly, no studies have characterized the cardiorespiratory fitness of such patients. Fifty-two patients (38 [73%] male, age 57 [52 to 65] years, left ventricular ejection fraction 31% [24 to 38]) underwent cardiopulmonary exercise testing 4 (1 to 10) days after hospital discharge, when stable and without overt signs of volume overload...
August 7, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28862962/inspiratory-muscle-training-is-associated-with-improved-inspiratory-muscle-strength-resting-cardiac-output-and-the-ventilatory-efficiency-of-exercise-in-patients-with-a-fontan-circulation
#12
Karina Laohachai, David Winlaw, Hiran Selvadurai, Ganesh Kumar Gnanappa, Yves d'Udekem, David Celermajer, Julian Ayer
BACKGROUND: Patients with a Fontan circulation have reduced exercise capacity and respiratory muscle strength. Inspiratory muscle training (IMT) improves exercise capacity and quality of life in adults with heart failure. We assessed whether 6 weeks of a home-based program of IMT improves inspiratory muscle strength and the ventilatory efficiency of exercise in adolescent patients with a Fontan circulation. METHODS AND RESULTS: Twenty-three adolescent participants (aged 16±2 years) with a Fontan circulation underwent 6 weeks of IMT for 30 minutes daily...
August 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28862313/measurement-properties-of-maximal-cardiopulmonary-exercise-tests-protocols-in-persons-after-stroke-a-systematic-review
#13
Harriet Wittink, Olaf Verschuren, Caroline Terwee, Janke de Groot, Gert Kwakkel, Ingrid van de Port
OBJECTIVE: To systematically review and critically appraise the literature on measurement properties of cardiopulmonary exercise test protocols for measuring aerobic capacity, VO2max, in persons after stroke. DATA SOURCES: PubMed, Embase and Cinahl were searched from inception up to 15 June 2016. A total of 9 studies were identified reporting on 9 different cardiopulmonary exercise test protocols. STUDY SELECTION: VO2max measured with cardiopulmonary exercise test and open spirometry was the construct of interest...
September 1, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28860884/chronic-obstructive-pulmonary-disease-in-patients-with-lung-cancer-prevalence-impact-and-management-challenges
#14
REVIEW
Dionisios Spyratos, Eleni Papadaki, Sofia Lampaki, Theodoros Kontakiotis
Chronic obstructive pulmonary disease (COPD) and lung cancer share a common etiological factor (cigarette smoking) and usually coexist in everyday clinical practice. The prevalence of COPD among newly diagnosed patients with lung cancer sometimes exceeds 50%. COPD is an independent risk factor (2-4 times higher than non-COPD subjects) for lung cancer development. The presence of emphysema in addition to other factors (e.g., smoking history, age) could be incorporated into risk scores in order to define the most appropriate target group for lung cancer screening using low-dose computed tomography...
2017: Lung Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28858033/cardiorespiratory-responses-to-short-bouts-of-resistance-training-exercises-in-individuals-with-chronic-obstructive-pulmonary-disease-a-comparison-of-exercise-intensities
#15
Priscila Robles, Tamara Araujo, Dina Brooks, Karl Zabjek, Tania Janaudis-Ferreira, Susan Marzolini, Roger Goldstein, Sunita Mathur
PURPOSE: Resistance training is recommended in pulmonary rehabilitation for people with chronic obstructive pulmonary disease (COPD); however, the acute cardiorespiratory responses to different intensities of resistance training are not known. We compared acute cardiorespiratory responses with high-intensity versus low-intensity resistance exercises in persons with COPD and healthy, matched controls. This research may assist in developing training parameters in COPD. METHODS: Participants (n = 10 per group) performed 1 set of 10 repetitions of leg extension and arm elevation at 2 intensities: 40% (low) and 80% (high) of 1-repetition maximum...
September 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28857391/estimated-peak-functional-capacity-an-accurate-method-for-assessing-change-in-peak-oxygen-consumption-after-cardiac-rehabilitation
#16
S Nichols, D O Gleadall-Siddall, R Antony, A L Clark, J G F Cleland, S Carroll, L Ingle
OBJECTIVE: Cardiopulmonary exercise testing (CPET) is the 'gold standard' method of determining VO2peak . When CPET is unavailable, VO2peak may be estimated from treadmill or cycle ergometer workloads and expressed as estimated metabolic equivalents (METs). Cardiac rehabilitation (CR) programmes use estimated VO2peak (METs) to report changes in cardiorespiratory fitness (CRF). However, the accuracy of determining changes in VO2peak based on estimated functional capacity is not known. METHODS: A total of 27 patients with coronary heart disease (88·9% male; age 59·5 ± 10·0 years, body mass index 29·6 ± 3·8 kg m(-2) ) performed maximal CPET before and after an exercise-based CR intervention...
August 30, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28856940/effects-of-human-recombinant-growth-hormone-on-exercise-capacity-cardiac-structure-and-cardiac-function-in-patients-with-adult-onset-growth-hormone-deficiency
#17
S Gonzalez, J D Windram, T Sathyapalan, Z Javed, A L Clark, S L Atkin
Objective Epidemiological studies suggest that adult-onset growth hormone deficiency (AGHD) might increase the risk of death from cardiovascular causes. Methods This was a 6-month double-blind, placebo-controlled, randomised, cross-over trial followed by a 6-month open-label phase. Seventeen patients with AGHD received either recombinant human growth hormone (rGH) (0.4 mg injection daily) or placebo for 12 weeks, underwent washout for 2 weeks, and were then crossed over to the alternative treatment for a further 12 weeks...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28856395/quality-of-life-is-diminished-in-patients-with-tetralogy-of-fallot-with-mild-residual-disease-a-comparison-of-tetralogy-of-fallot-and-isolated-valvar-pulmonary-stenosis
#18
Shivani M Bhatt, Elizabeth Goldmuntz, Amy Cassedy, Bradley S Marino, Laura Mercer-Rosa
The objective of this study is to compare quality of life (QOL) in patients with mild pulmonary insufficiency (PI) after Tetralogy of Fallot (TOF) repair or after balloon dilation for isolated valvar pulmonary stenosis (VPS). A cross-sectional study of patients with TOF (n = 12) and VPS (n = 19), ages 8-18 years, who underwent cardiac magnetic resonance (CMR) and cardiopulmonary exercise test (CPET) was conducted. Patients with genetic syndromes were excluded. The groups were matched by severity and duration of PI using propensity scores...
August 31, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28845719/stress-hormones-at-rest-and-following-exercise-testing-predict-coronary-artery-disease-severity-and-outcome
#19
Dejana Popovic, Svetozar Damjanovic, Tea Djordjevic, Dejana Martic, Svetlana Ignjatovic, Neda Milinkovic, Marko Banovic, Ratko Lasica, Milan Petrovic, Marco Guazzi, Ross Arena
OBJECTIVES: Despite considerable knowledge regarding the importance of stress in coronary artery disease (CAD) pathogenesis, its underestimation persists in routine clinical practice, in part attributable to lack of a standardized, objective assessment. The current study examined the ability of stress hormones to predict CAD severity and prognosis at basal conditions as well as during and following an exertional stimulus. MATERIALS AND METHODS: Forty Caucasian subjects with significant coronary artery lesions (≥50%) were included...
August 28, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28843055/exercise-right-heart-catheterization-for-pulmonary-hypertension-identified-on-screening-echocardiography-in-adult-survivors-of-childhood-cancer-a-report-from-the-st-jude-lifetime-cohort
#20
Gregory T Armstrong, James J Tolle, Robert Piana, Aimee Santucci, James Leathers, Kirsten K Ness, Daniel A Mulrooney, Daniel M Green, Vijaya M Joshi, Leslie L Robison, Melissa M Hudson, Daniel Lenihan
Pulmonary hypertension, determined noninvasively by tricuspid regurgitant jet velocity on Doppler echocardiography, was previously identified in 25% of long-term survivors who received chest-directed radiotherapy. To validate noninvasively defined pulmonary hypertension, survivors (mean age 48 years), exposed to chest radiotherapy, underwent right heart catheterization with planned cardiopulmonary exercise testing during catheterization. Eight participants had an elevated mean pulmonary artery pressure at rest (≥25 mm Hg) or with subsequent exercise (>30 mm Hg), evidence of hemodynamically confirmed pulmonary hypertension by right heart catheterization...
August 26, 2017: Pediatric Blood & Cancer
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