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  • Title: [Comparison of enalapril and captopril in the treatment of chronic heart failure].
    Author: Tjon-A-Meeuw L, Hess OM, Greminger P, Maire R, Jenni R, Krayenbuehl HP.
    Journal: Z Kardiol; 1990 Jun; 79(6):429-35. PubMed ID: 2198731.
    Abstract:
    The long-term effect of enalapril (group 1) and captopril (group 2) on clinical symptomatology and left ventricular function was evaluated in 29 patients with severe congestive heart failure (13 ischemic and 12 dilated cardiomyopathy, four valvular heart disease). During the 6-month observation period, five patients died (two on enalapril and three on captopril therapy = 6-month mortality rate 18%). Nine patients showed no beneficial effect of enalapril or captopril on clinical and hemodynamic findings (= nonresponders). The initial findings on these nine patients were, however, not significantly different from the clinical and hemodynamic findings on the patients who improved. Enalapril had to be discontinued in two patients because of side effects (progressive renal failure and gastrointestinal symptoms, respectively). A total of 22 patients completed the study, 11 treated with enalapril (mean dosage 25 +/- 10 mg/day) and 11 treated with captopril (mean dosage 77 +/- 26 mg/day). After 6 months there was a significant improvement according to the New York Heart Association (NYHA) classification, from 2.4 to 1.9 in group 1 (p less than 0.01) and from 2.7 to 1.9 in group 2 (p less than 0.001). The cardio-thoracic ratio (chest x-ray) decreased significantly from 0.59 to 0.56 (p less than 0.001) in group 1 and from 0.56 to 0.53 (p less than 0.001) in group 2. Physical working capacity (bicycle ergometry) showed a significant increase in both groups from 61% to 81% in group 1 (p less than 0.01) and from 66% to 83% in group 2 (p less than 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)
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