The prevalence of Chagas' disease continues high even in the developed countries. Chagasic Cardiomyopathy with preserved ventricular function is an understudied form of Chagas disease. Since a majority of patients with these changes progress to dilated form with ventricular dysfunction with all its serious consequences, it is interesting to better understand the pathophysiology of the disease at the stage where there electrocardiographic changes and preserved ventricular function. And besides, search strategies to slow the progress, or even prevent the chronic phase of the disease. For this reason the investigators will evaluate the effects of exercise training in patients with Chagas cardiomyopathy without ventricular dysfunction.
Chagasic Cardiomyopathy with preserved ventricular function is an understudied form of Chagas disease. Since a majority of patients with these changes progress to dilated form with ventricular dysfunction with all its serious consequences, it is interesting to better understand the pathophysiology of the disease at the stage where there electrocardiographic changes and preserved ventricular function. And besides, search strategies to slow the progress, or even prevent the chronic phase of the disease. For this reason the investigators will evaluate the effects of exercise training in patients with Chagas cardiomyopathy without ventricular dysfunction.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
24
Exercise Training for 4 months
Heart Institute - HC-FMUSP
São Paulo, São Paulo, Brazil
RECRUITINGSympathetic nerve activityAutonomic control
Exercise training will improve baroreflex sensitivity and reduce sympathetic nerve activity.
Time frame: 4 months
Peak oxygen consumption
Exercise training will improve peak oxygen consumption
Time frame: 4 months
Skeletal muscle strength
Exercise training will increase skeletal muscle strength
Time frame: 4 months
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