Cardiopulmonary exercise test in patients with congestive heart failure underwent various rehabilitation programs

Aleksandra Kubinyi, Bogumiła Bacior, Wojciech Szot, Kalina Kawecka-Jaszcz

Aleksandra Kubinyi, Bogumiła Bacior, Wojciech Szot, Kalina Kawecka-Jaszcz – Cardiopulmonary exercise test in patients with congestive heart failure underwent various rehabilitation programs. Fizjoterapia Polska 2002; 2(4); 290-299

Abstract
Background. The aim of this study was to assess tolerance of physical exercise in patients with chronic heart failure who were exercised using different model of training. Material and methods. 28 patients (mean age 53.9 ± 9.2) with chronic heart failure (NYHA class II and III) were included into this study. They were divided randomly into three groups, each number 14 patients: group A – patients who were trained according to model with progressive increase of workload, group B – patients who were trained according to interval workload model. Studied groups did not differ among themselves with average age, BMI, NYHA scale, or pharmacological treatment. All patients from groups A and B were rehabilitated during six months time, 3 times per week for 1 hour each time. All patients were submitted to the following examinations before and after six months of training: echocardiography and cardiopulmonary exercise test. Results. In groups A and B we have observed increase in exercise capability, which was more pronounced in group A. This increase was observed as increase in total exercise time when compared to group B (839.1 ± 98.3 sec vs 472.4 ± 39.7 sec, p < 0.0001), and increase in workload (6.28 ± 0.8 MET vs 3.9 ± 0.2 MET p < 0.001). We also observed improve in cardiopulmonary exercise test. After six months we observed significant difference in all parameters of cardiopulmonary exercise test in group A. In group B we observed improvement in parameters VO2peak (15.3 ± 2.1vs 16.5 ± 1.9 ml/kg/min, p < 0.01) and AT (35.8 ± 5.6 vs 44.8 ± 6.6 %, p < 0.01).Conclusions. Systematical exercise training patients with chronic heart failure, especially with the progressive increase of workload exercise model, improve exercise capacity without any negative influence on systolic and diastolic function parameters of left ventricle.

Key words:
rehabilitation, physical training, chronic heart failure, cardiopulmonary exercise test

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