Evaluation of the six-minute walk test in patients with chronic heart failure associated with Chagas' disease and systemic arterial hypertension.

Abstract:

INTRODUCTION:To evaluate physical capacity as determined by the six-minute walk test (6MWT) in patients with chronic heart failure due to Chagas' disease associated with systemic arterial hypertension (Chagas-SAH). METHODS:A total of 98 patients routinely followed at the Cardiomyopathy Outpatient Service were recruited. Of these, 60 (61%) were diagnosed with Chagas disease and 38 (39%) with Chagas-SAH. RESULTS:The distance walked during 6 min was 357.9 +/-98 m for Chagas-SAH patients and 395.8 +/- 121m for Chagas cardiomyopathy patients (p >0.05). In patients with Chagas-SAH, a negative correlation occurred between the 6MWT and the total score of the Minnesota Living with Heart Failure Questionnaire (r= -0.51; p=0.001). No other correlations were determined between 6MWT values and continuous variables in patients with Chagas-SAH. CONCLUSIONS:The results of the 6MWT in Chagas-SAH patients are similar to those verified in Chagas cardiomyopathy patients with chronic heart failure. Coexistence of SAH does not seem to affect the functional capacity of Chagas cardiomyopathy patients with chronic heart failure.

journal_name

Rev Soc Bras Med Trop

authors

Dourado KC,Bestetti RB,Cardinalli-Neto A,Cordeiro JA

doi

10.1590/s0037-86822010000400014

subject

Has Abstract

pub_date

2010-07-01 00:00:00

pages

405-8

issue

4

eissn

0037-8682

issn

1678-9849

pii

S0037-86822010000400014

journal_volume

43

pub_type

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