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Cardiopulmonary exercise testing

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https://www.readbyqxmd.com/read/27903672/-exertional-dyspnoea-in-copd-the-clinical-utility-of-cardiopulmonary-exercise-testing-denis-e-o-donnell-amany-f-elbehairy-azmy-faisal-katherine-a-webb-j-alberto-neder-and-donald-a-mahler-eur-respir-rev-2016-25-333-347
#1
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No abstract text is available yet for this article.
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27903669/exertional-dyspnoea-in-obesity
#2
Vipa Bernhardt, Tony G Babb
The purpose of cardiopulmonary exercise testing (CPET) in the obese person, as in any cardiopulmonary exercise test, is to determine the patient's exercise tolerance, and to help identify and/or distinguish between the various physiological factors that could contribute to exercise intolerance. Unexplained dyspnoea on exertion is a common reason for CPET, but it is an extremely complex symptom to explain. Sometimes obesity is the simple answer by elimination of other possibilities. Thus, distinguishing among multiple clinical causes for exertional dyspnoea depends on the ability to eliminate possibilities while recognising response patterns that are unique to the obese patient...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27903541/lifelong-physical-activity-regardless-of-dose-is-not-associated-with-myocardial-fibrosis
#3
Shuaib M Abdullah, Kyler W Barkley, Paul S Bhella, Jeffrey L Hastings, Susan Matulevicius, Naoki Fujimoto, Shigeki Shibata, Graeme Carrick-Ranson, M Dean Palmer, Nainesh Gandhi, Laura F DeFina, Benjamin D Levine
BACKGROUND: Recent reports have suggested that long-term, intensive physical training may be associated with adverse cardiovascular effects, including the development of myocardial fibrosis. However, the dose-response association of different levels of lifelong physical activity on myocardial fibrosis has not been evaluated. METHODS AND RESULTS: Seniors free of major chronic illnesses were recruited from predefined populations based on the consistent documentation of stable physical activity over >25 years and were classified into 4 groups by the number of sessions/week of aerobic activities ≥30 minutes: sedentary (group 1), <2 sessions; casual (group 2), 2 to 3 sessions; committed (group 3), 4 to 5 sessions; and Masters athletes (group 4), 6 to 7 sessions plus regular competitions...
November 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27899540/the-1-minute-sit-to-stand-test-in-adults-with-cystic-fibrosis-correlations-with-cardiopulmonary-exercise-test-6-minute-walk-test-and-quadriceps-strength
#4
Mathieu Gruet, Leonardo Alexandre Peyré-Tartaruga, Laurent Mely, Jean-Marc Vallier
BACKGROUND: Exercise testing is part of the regular assessment of patients with cystic fibrosis (CF). We aimed to evaluate (1) the convergent validity of the 1-min sit-to-stand (STS) test in CF by investigating its relationships with peak oxygen uptake (peak V̇O2 ), quadriceps strength, and quality of life and (2) to compare these associations with those of the 6-min walk test (6MWT). METHODS: Twenty-five adults with CF (FEV1 = 59 ± 24%) performed the STS test, the 6MWT, quadriceps strength assessment, and cardiopulmonary exercise test (CPET)...
December 2016: Respiratory Care
https://www.readbyqxmd.com/read/27895592/effects-of-six-months-training-on-physical-capacity-and-metaboreflex-activity-in-patients-with-multiple-sclerosis
#5
Sara Magnani, Sergio Olla, Massimiliano Pau, Girolamo Palazzolo, Filippo Tocco, Azzurra Doneddu, Maura Marcelli, Andrea Loi, Federica Corona, Francesco Corona, Giancarlo Coghe, Maria G Marrosu, Alberto Concu, Eleonora Cocco, Elisabetta Marongiu, Antonio Crisafulli
Patients with multiple sclerosis (MS) have an increased systemic vascular resistance (SVR) response during the metaboreflex. It has been hypothesized that this is the consequence of a sedentary lifestyle secondary to MS. The purpose of this study was to discover whether a 6-month training program could reverse this hemodynamic dysregulation. Patients were randomly assigned to one of the following two groups: the intervention group (MSIT, n = 11), who followed an adapted training program; and the control group (MSCTL, n = 10), who continued with their sedentary lifestyle...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27895211/improvement-in-aerobic-capacity-during-cardiac-rehabilitation-in-coronary-artery-disease-patients-is-there-a-role-for-autonomic-adaptations
#6
Davide Lazzeroni, Paolo Castiglioni, Matteo Bini, Andrea Faini, Umberto Camaiora, Pietro Tito Ugolotti, Claudio Stefano Centorbi, Lorenzo Brambilla, Valerio Brambilla, Massimo Francesco Piepoli, Paolo Coruzzi
BACKGROUND: It has been previously shown in patients with heart failure that exercise-based rehabilitation programmes may improve functional capacity and autonomic response. The aim of this study was to investigate this issue further by evaluating whether an association exists between autonomic adaptations and improvements of aerobic capacity in a general population of coronary artery disease patients undergoing cardiac rehabilitation. METHODS: Ninety consecutive patients (age 60 ± 11 years) attended a rehabilitation programme of moderate continuous training (25 ± 8 sessions, 2-3 sessions/week)...
November 28, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27887692/mechanisms-of-effort-intolerance-in-patients-with-heart-failure-and-borderline-ejection-fraction
#7
Yan Topilsky, Zach Rozenbaum, Shafik Khoury, Gregg S Pressman, Yaniv Gura, Jack Sherez, Avi Man, Jason Shimiaie, Sanford Edwards, Joshua Berookhim, Thierry Le Tourneau, Amir Halkin, Simon Biner, Gad Keren, Galit Aviram
Combining echocardiography and cardiopulmonary stress testing allows noninvasive assessment of hemodynamics, and oxygen extraction (A-VO2 difference). We evaluated mechanisms of effort intolerance in patients with heart failure with borderline (40% to 49%) left ventricular ejection fraction (EF) (HF and Borderline Ejection fraction). We included 89 consecutive patients with HF and Borderline Ejection fraction (n = 25; 63.6 ± 14 years, 64% men), control subjects (n = 22), patients with HF with preserved EF (n = 26; EF ≥50%), and patients with HF with reduced EF (n = 16; <40%)...
November 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27884421/interpreting-the-incremental-cardiopulmonary-exercise-test
#8
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...
November 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27878925/left-ventricular-deformation-at-rest-predicts-exercise-induced-elevation-in-pulmonary-artery-wedge-pressure-in-patients-with-unexplained-dyspnoea
#9
Tor Biering-Sørensen, Mário Santos, Jose Rivero, Shane D McCullough, Erin West, Alexander R Opotowsky, Aaron B Waxman, David M Systrom, Amil M Shah
AIMS: Impaired left ventricular (LV) deformation despite preserved LV ejection fraction (LVEF) is common and predicts outcomes in heart failure with preserved LVEF. We hypothesized that impaired LV deformation at rest is a marker of impaired cardiac systolic and diastolic reserve, and aimed to determine whether resting longitudinal (LS) and circumferential strain (CS) are associated with invasively measured haemodynamic response to exercise in patients with dyspnoea and a normal LVEF...
November 22, 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27878634/relationship-between-habitual-exercise-and-performance-on-cardiopulmonary-exercise-testing-differs-between-children-with-single-and-biventricular-circulations
#10
Michael L O'Byrne, Sanyukta Desai, Megan Lane, Michael McBride, Stephen Paridon, Elizabeth Goldmuntz
Increasing habitual exercise has been associated with improved cardiopulmonary exercise testing (CPET) performance, specifically maximal oxygen consumption in children with operatively corrected congenital heart disease. This has not been studied in children following Fontan palliation, a population in whom CPET performance is dramatically diminished. A single-center cross-sectional study with prospective and retrospective data collection was performed that assessed habitual exercise preceding a clinically indicated CPET in children and adolescents with Fontan palliation, transposition of the great arteries following arterial switch operation (TGA), and normal cardiac anatomy without prior operation...
November 23, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27878633/cardiopulmonary-exercise-testing-in-fontan-patients-with-and-without-isomerism-heterotaxy-as-compared-to-patients-with-primary-ciliary-dyskinesia-and-subjects-with-structurally-normal-hearts
#11
Rohit S Loomba, Michael Danduran, Kim G Nielsen, Astrid M Ring, Joshua Kovach, Robert H Anderson
Isomerism, also known as heterotaxy, is a clinical entity that impacts multiple organ systems both anatomically and functionally. The airways and lungs are involved in a great number of these patients, leading to increased sinopulmonary symptoms, increased need for oxygenation, and increased postoperative ventilatory support. Additionally, these patients often have congenital heart disease requiring Fontan palliation. What has not been previously described, and is the focus of this study, is the results of cardiopulmonary exercise testing in those who have undergone Fontan palliation with and without isomerism...
November 23, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27875738/heart-rate-response-to-exercise-in-heart-failure-patients-the-prognostic-role-of-metabolic-chronotropic-relation-and-heart-rate-recovery
#12
Pavel Hajdusek, Martin Kotrc, Josef Kautzner, Vojtech Melenovsky, Eva Benesova, Petr Jarolim, Jan Benes
BACKGROUND: The dynamics of the sinus node response to exercise is linked to functional capacity and outcome in heart failure (HF). The goal of the work was to analyze determinants and impacts of cardio-acceleration, described by the concept of metabolic-chronotropic relation (MCR) and of cardio-deceleration, described by heart rate recovery (HRR). METHODS: A cohort of 25 healthy controls and 78 patients with advanced systolic HF and optimized medical and/or device therapy (97% receiving beta-blockers, 54% ICD) underwent maximal cardiopulmonary exercise test and were prospectively followed...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27875636/evaluation-of-coronary-artery-disease-in-potential-liver-transplant-recipients
#13
REVIEW
Brian J Hogan, Enoka Gonsalkorala, Michael A Heneghan
Improvements in the management of patients undergoing Liver Transplantation (LT) have resulted in a significant increase in survival over recent years. Cardiac disease is now the leading cause of early mortality and the stress of major surgery, haemodynamic shifts, the possibility of haemorrhage or reperfusion syndrome require the recipient to have good baseline cardiac function. The prevalence of coronary artery disease (CAD) is increasing in liver transplant candidates, especially in those with Non-Alcohol related Fatty Liver Disease (NAFLD)...
November 22, 2016: Liver Transplantation
https://www.readbyqxmd.com/read/27873388/effects-of-sildenafil-on-cardiac-structure-and-function-cardiopulmonary-exercise-testing-and-health-related-quality-of-life-measures-in-heart-failure-patients-with-preserved-ejection-fraction-and-pulmonary-hypertension
#14
Licette C Y Liu, Yoran M Hummel, Peter van der Meer, Rolf M F Berger, Kevin Damman, Dirk J van Veldhuisen, Adriaan A Voors, Elke S Hoendermis
AIMS: We recently showed that sildenafil did not improve pulmonary pressures and exercise capacity in a cohort of patients with heart failure and preserved ejection fraction (HFpEF) and predominantly postcapillary pulmonary hypertension. Here, we present the effects of sildenafil on cardiac structure and function, cardiopulmonary exercise testing, laboratory parameters and health-related quality of life measures. METHODS AND RESULTS: Fifty-two HFpEF patients with pulmonary hypertension (mean pulmonary artery pressure >25 mmHg; pulmonary artery wedge pressure >15 mmHg) were randomized to sildenafil 60 mg three times a day or placebo and treated for 12 weeks...
November 21, 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27872897/physiotherapy-practice-patterns-for-management-of-patients-undergoing-thoracic-surgeries-in-india-a-survey
#15
Sagarika Sultanpuram, Gopala Krishna Alaparthi, Shyam Krishnan Krishnakumar, Zulfeequer C P Ottayil
Aim. The aim of the current study is to determine the practice patterns of physiotherapists for patients undergoing thoracic surgeries in India. Materials and Methodology. A cross-sectional survey was conducted across India in which 600 questionnaires were sent in emails to physiotherapists. The questionnaire addressed assessment and treatment techniques of thoracic surgery. Results. A total of 234 completed questionnaires were returned with a response rate of 39%, with the majority of responses received from Telangana, Karnataka, and Andhra Pradesh...
2016: Surgery Research and Practice
https://www.readbyqxmd.com/read/27867115/central-chemoreceptor-sensitivity-is-not-enhanced-in-contemporary-patients-with-chronic-systolic-heart-failure-receiving-optimal-treatment
#16
Bartłomiej Paleczny, Martyna Olesińska, Agnieszka Siennicka, Piotr Niewiński, Ewa A Jankowska, Beata Ponikowska, W Banasiak, Stephan von Haehling, Stefan D Anker, Piotr Ponikowski
BACKGROUND: Clinical and prognostic consequences of enhanced central chemosensitivity in the contemporary optimally treated patients with chronic heart failure (CHF) are unknown. METHODS AND RESULTS: We studied central chemosensitivity (defined as the ventilatory response to hypercapnia assessed by the rebreathing method, HCVR [L/min/mmHg]) in 161 CHF patients (mean left ventricular ejection fraction [LVEF]: 31±6%, all receiving a combination of angiotensin-converting enzyme inhibitor/angiotensin receptor blocker and beta-blocker) and 55 sex-, age-matched healthy controls...
November 17, 2016: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/27865723/mechanisms-of-effort-intolerance-in-patients-with-rheumatic-mitral-stenosis-combined-echocardiography-and-cardiopulmonary-stress%C3%A2-protocol
#17
Michal Laufer-Perl, Yaniv Gura, Jason Shimiaie, Jack Sherez, Gregg S Pressman, Galit Aviram, Simon Maltais, Ricki Megidish, Amir Halkin, Meirav Ingbir, Simon Biner, Gad Keren, Yan Topilsky
OBJECTIVES: This study sought to evaluate mechanisms of effort intolerance in patients with rheumatic mitral stenosis (MS). BACKGROUND: Combined stress echocardiography and cardiopulmonary testing allows assessment of cardiac function, hemodynamics, and oxygen extraction (A-Vo2 difference). METHODS: Using semirecumbent bicycle exercise, 20 patients with rheumatic MS (valve area 1.36 ± 0.4 cm(2)) were compared to 20 control subjects at 4 pre-defined activity stages (rest, unloaded, anaerobic threshold, and peak)...
November 10, 2016: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27865641/canadian-cardiovascular-society-guidelines-on-perioperative-cardiac-risk-assessment-and-management-for-patients-who-undergo-noncardiac-surgery
#18
Emmanuelle Duceppe, Joel Parlow, Paul MacDonald, Kristin Lyons, Michael McMullen, Sadeesh Srinathan, Michelle Graham, Vikas Tandon, Kim Styles, Amal Bessissow, Daniel I Sessler, Gregory Bryson, P J Devereaux
The Canadian Cardiovascular Society Guidelines Committee and key Canadian opinion leaders believed there was a need for up to date guidelines that used the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system of evidence assessment for patients who undergo noncardiac surgery. Strong recommendations included: 1) measuring brain natriuretic peptide (BNP) or N-terminal fragment of proBNP (NT-proBNP) before surgery to enhance perioperative cardiac risk estimation in patients who are 65 years of age or older, are 45-64 years of age with significant cardiovascular disease, or have a Revised Cardiac Risk Index score ≥ 1; 2) against performing preoperative resting echocardiography, coronary computed tomography angiography, exercise or cardiopulmonary exercise testing, or pharmacological stress echocardiography or radionuclide imaging to enhance perioperative cardiac risk estimation; 3) against the initiation or continuation of acetylsalicylic acid for the prevention of perioperative cardiac events, except in patients with a recent coronary artery stent or who will undergo carotid endarterectomy; 4) against α2 agonist or β-blocker initiation within 24 hours before surgery; 5) withholding angiotensin-converting enzyme inhibitor and angiotensin II receptor blocker starting 24 hours before surgery; 6) facilitating smoking cessation before surgery; 7) measuring daily troponin for 48 to 72 hours after surgery in patients with an elevated NT-proBNP/BNP measurement before surgery or if there is no NT-proBNP/BNP measurement before surgery, in those who have a Revised Cardiac Risk Index score ≥1, age 45-64 years with significant cardiovascular disease, or age 65 years or older; and 8) initiating of long-term acetylsalicylic acid and statin therapy in patients who suffer myocardial injury/infarction after surgery...
October 4, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/27863351/abnormal-heart-rate-response-during-cardiopulmonary-exercise-testing-identifies-cardiac-dysfunction-in-symptomatic-patients-with-non-obstructive-coronary-artery-disease
#19
Sundeep Chaudhry, Naresh Kumar, Hushyar Behbahani, Akshay Bagai, Binoy K Singh, Nick Menasco, Gregory D Lewis, Laurence Sperling, Jonathan Myers
BACKGROUND: Symptomatic non-obstructive coronary artery disease is a growing clinical dilemma for which contemporary testing is proving to be of limited clinical utility. New methods are needed to identify cardiac dysfunction. METHODS AND RESULTS: This is a prospective observational cohort study conducted from December 2013 to August 2015 in two outpatient cardiology clinics (symptomatic cohort) and 24 outpatient practices throughout the US (healthy cohort) with centralized methodology and monitoring to compare heart-rate responses during cardiopulmonary exercise testing (CPET)...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27861471/-comparison-of-peak-oxygen-uptake-and-ve-vco2-slope-between-children-with-and-without-heart-failure
#20
Hermes Ilarraza-Lomelí, Irma Miranda Chávez, Javier Castañeda-López, Rafael Chávez-Domínguez, Carlos Felipe Barrera-Ramírez, Marianna García-Saldivia, María Dolores Rius-Suárez, Alfonso Buendía-Hernández
: Heart failure is a health problem associated with disability and mortality. Physicians may stratify the risk of adult patients with heart failure using a cardiopulmonary exercise testing. Until now, in childhood this evaluation has been poorly used. The purpose of this study is to compare the peak oxygen uptake and minute ventilation/carbon dioxide production slope among children with heart failure versus children without heart disease (control). METHODS: Thirty-eight children with heart failure were compared with 194 children without heart disease...
November 2016: Gaceta Médica de México
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