Effects of an exercise program on the functional capacity of patients with chronic Chagas' heart disease, evaluated by cardiopulmonary testing

Revista da Sociedade Brasileira de Medicina Tropical

Paloma Hargreaves Fialho¹  Bernardo Rangel Tura¹  Andréa Silvestre De Sousa¹  Claudia Rosa De Oliveira¹  Carla Cristiane Santos Soares¹  Juliana Rega De Oliveira¹  Marcus Vinícius Souza¹  Marina Pereira Coelho¹  Fernando César De Castro E Souza¹  Ademir Batista Da Cunha¹  Daniel Arkader Kopiler¹ 

[1] ,Instituto Nacional de Cardiologia Serviço de Reabilitação Cardíaca Rio de Janeiro RJ

关键词: Chagas' heart disease;    Exercises;    Functional capacity;    Cardiopulmonary exercise test;    VO2;    Cardiopatia chagásica;    Exercícios;    Capacidade funcional;    Teste de exercício cardiopulmonar;    VO2;   

DOI  :  10.1590/S0037-86822012000200016

来源: SciELO

【 摘 要 】

INTRODUCTION: Despite all efforts to restrict its transmission, Chagas' disease remains a severe public health problem in Latin America, affecting 8-12 million individuals. Chronic Chagas' heart disease, the chief factor in the high mortality rate associated with the illness, affects more than half a million Brazilians. Its evolution may result in severe heart failure associated with loss of functional capacity and quality of life, with important social and medical/labor consequences. Many studies have shown the beneficial effect of regular exercise on cardiac patients, but few of them have focused on chronic Chagas' heart disease. METHODS: This study evaluated the effects of an exercise program on the functional capacity of patients with chronic Chagas' disease who were treated in outpatient clinics at the Evandro Chagas Institute of Clinical Research and the National Institute of Cardiology, Rio de Janeiro, Brazil. The exercises were performed 3 times a week for 1 h (30 min of aerobic activity and 30 min of resistance exercises and extension) over 6 months in 2010. Functional capacity was evaluated by comparing the direct measurement of the O2 uptake volume (VO2) obtained by a cardiopulmonary exercise test before and after the program (p < 0.05). RESULTS: Eighteen patients (13 females) were followed, with minimum and maximum ages of 30 and 72 years, respectively. We observed an average increase of VO2peak > 10% (p = 0.01949). CONCLUSIONS: The results suggest a statistically significant improvement in functional capacity with regular exercise of the right intensity.

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