نتایج جستجو برای: cardiopulmonary exercise test
تعداد نتایج: 978867 فیلتر نتایج به سال:
Estimating prognosis is endorsed by recent clinical guidelines as a key element of the management of heart failure. 2 How this is to be done is less clear. Heart failure follows a variable clinical course, and as many as one half of patients will die suddenly rather than dying of progressive heart failure. The predictability of death may therefore be lower than in other conditions. The challeng...
Perioperative morbidity is associated with reduced long term survival. Comorbid disease, cardiovascular illness, and functional capacity can predispose patients to adverse surgical outcomes. Accurate risk stratification would facilitate informed patient consent and identify those individuals who may benefit from specific perioperative interventions. The ideal clinical risk scoring system would ...
The advent of microprocessed "metabolic carts" and rapidly incremental protocols greatly expanded the clinical applications of cardiopulmonary exercise testing (CPET). The response normalcy to CPET is more commonly appreciated at discrete time points, for example, at the estimated lactate threshold and at peak exercise. Analysis of the response profiles of cardiopulmonary responses at submaxima...
Abstract Background Chronic thromboembolic pulmonary disease (CTEPD) without hypertension could cause significant exercise limitations. However, interventional or surgical treatments for CTEPD with mild normal pressure are on controversy. Purpose We aimed to evaluate cardiopulmonary function through test (CPET) stress echocardiography and determine whether can explain limitations in patients mP...
this research was conducted to examine the effect of a concurrent training on rest level of leptin of plasma and some hormonal factors in non-athlete subjects. the research population included non-athlete men who didn’t participate in any organized sport activities. 30 men were chosen voluntarily among the above-mentioned population and were divided into 2 groups: experimental (15 subjects) an...
INTRODUCTION It is unknown whether an extremely high heart rate can affect oxygen pulse profile during progressive maximal exercise in healthy subjects. OBJECTIVE Our aim was to compare relative oxygen pulse (adjusted for body weight) curves in athletes at their maximal heart rate during treadmill cardiopulmonary exercise testing. METHODS A total of 180 elite soccer players were categorized...
Metabolic exercise testing is valuable in patients with chronic heart failure (CHF), but periodic breathing may confound the measurements. We aimed to examine the effects of periodic breathing on the measurement of oxygen uptake ( V*O(2)) and respiratory exchange ratio (RER). First, we measured the effects of different averaging procedures on peak V*O(2) and RER values in 122 patients with CHF ...
This study aimed to determine the relation between the regression slope relating minute ventilation to carbon dioxide output (VE/VCO2 slope) and maximum phonation time (MPT), and the MPT required to attain a threshold value for VE/VCO2 slope of ≤ 34 in chronic heart failure (CHF) patients. This cross-sectional study enrolled 115 CHF patients (mean age, 54.5 years; men, 84.9%). VE/VCO2 slope was...
The purpose of this paper is to provide strategies for cardiopulmonary exercise testing of pectus excavatum patients. Currently, there are no standardized methods for assessing cardiovascular and pulmonary responses in this population; therefore, making comparisons across studies is difficult if not impossible. These strategies are intended for physicians, pulmonary technicians, exercise physio...
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