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Arq. bras. cardiol ; 59(6): 487-491, dez. 1992. tab, graf
Article in Portuguese | LILACS | ID: lil-134492

ABSTRACT

Objetivo - Analisar a capacidade física de pacientes com insuficiência cardíaca congestiva (ICC), classes I e II da New York Heart Association (NYHA), submetidos à cicloergometria: 1) sob tratamento convencional com digital e diuréticos; 2) com um inibidor da enzima de conversão da angiotensina captopril, associado ao tratamento convencional; 3) usando captopril associado a digital e diurético. Métodos - Estudo randomizado e duplo cego utilizando 20 pacientes com ICC (I e II), submetidos ao teste cicloergométrico em diferentes fases terapêuticas. A carga inicial foi de 5 watts e aumentada progressivamente até o aparecimento de sintomas limitantes. Resultados - A introdução do captopril no esquema convencional de tratamento da ICC ou associado a digital e diurético promove significante aumento na duração do exercício físico, no consumo de oxigênio e na carga total desenvolvida, nos pacientes submetidos ao teste cicloergométrico. Conclusão - Nas formas iniciais de ICC, captopril melhorou a capacidade física dos pacientes em relação ao tratamento convencional e a terapêutica diurética pode ser substituída pelo inibidor da enzima de conversão da angiotensina com igual eficácia


Purpose - To analyze the physical performance of the patients with congestive heart failure (CHF), grades I and II of the New York Heart Association (NYHA), submitted to ergometric test: 1) under conventional treatment with digitalis and diuretic; 2) with an angiotensin converting enzyme inhibitor, captopril, associate with conventional treatment; 3) using captopril associated with digitalis or diuretic. Methods - A randomized double blind study was performed in 20 patients with CHF (I and II - NYHA) submitted to ergometric test in differents therapeutic phases. The initial workload was 5 watts and load was increased until the appearance of limiting symptoms. Results - The introduction of captopril to the conventional treatment for CFH or associated with digitalis or diuretic promotes significant increase in the duration of the physical exercise, in the oxygen consumption and in the total workload during the ergometric test. Conclusion - In the initial forms of CHF, captopril provides better physical performance when compared with conventional treatment and the diuretic treatment can be changed for the angiotensin converting enzyme inhibitor with equal efficacy


Subject(s)
Humans , Male , Female , Heart Failure/drug therapy , Captopril/therapeutic use , Heart Failure/physiopathology , Heart Failure/epidemiology , Middle Aged , Analysis of Variance , Chronic Disease , Digitoxin/therapeutic use , Double-Blind Method , Drug Therapy, Combination , English Abstract , Exercise Test/statistics & numerical data , Furosemide/therapeutic use
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