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

Paloma Hargreaves Fialho1, Bernardo Rangel Tura, Andréa Silvestre de Sousa

  • 1Serviço de Reabilitação Cardíaca, Instituto Nacional de Cardiologia, Rio de Janeiro, RJ. palomahv@hotmail.com

Revista Da Sociedade Brasileira De Medicina Tropical
|April 27, 2012
PubMed

Insights

Regular exercise significantly improves functional capacity in patients with chronic Chagas' heart disease. This study demonstrates that a tailored exercise program can enhance aerobic capacity, offering a potential non-pharmacological intervention for managing this neglected tropical disease.

Area of Science:

  • Cardiology
  • Exercise Physiology
  • Tropical Medicine

Background:

  • Chagas' disease is a major public health concern in Latin America, impacting millions.
  • Chronic Chagas' heart disease leads to heart failure and reduced quality of life.
  • Limited research exists on the benefits of exercise for chronic Chagas' heart disease patients.

Purpose of the Study:

  • To assess the impact of a structured exercise program on the functional capacity of individuals with chronic Chagas' heart disease.
  • To investigate the efficacy of combined aerobic and resistance training.

Main Methods:

  • A 6-month exercise intervention was conducted with patients attending outpatient clinics.
  • The program involved 3 weekly sessions, each lasting 1 hour, combining aerobic and resistance exercises.
  • Functional capacity was measured using cardiopulmonary exercise testing to determine oxygen uptake volume (VO₂).

Main Results:

  • Eighteen patients completed the study, with ages ranging from 30 to 72 years.
  • A statistically significant average increase in peak oxygen uptake (VO₂peak) exceeding 10% was observed (p = 0.01949).

Conclusions:

  • Regular exercise, when appropriately prescribed, can significantly enhance functional capacity in patients with chronic Chagas' heart disease.
  • Exercise presents a promising therapeutic strategy for improving cardiovascular health and quality of life in this population.
Abstract

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