PMID: 2510660Jul 1, 1989Paper

Essential arterial hypertension and quality of life. Comparative crossed double-blind study of labetalol and captopril

Archives des maladies du coeur et des vaisseaux
A CarréM Pappo

Abstract

The purpose of this multicenter randomised, double-blind and cross-over study was to compare the antihypertensive effects of labetalol (L) and captopril (C) in 42 moderate hypertensive patients (mean age: 52 years). The drugs were given during two 4-weeks periods at the end of which the systolic (SBP) and diastolic blood pressures (DBP) were measured at rest in supine and standing positions. The assessment of the quality of life was realized with 4 scales completed by the practitioner [anxiety, depression, well-being, visual analog scale (VAS)] and 4 scales of auto-assessment completed by the patient [2 VAS, well-being, sub-scale of pleasure]. At the end of the first treatment's period (D28), both drugs had decreased significantly supine SBP and DBP (p less than 0.001), standing DBP (L = p less than 0.01; C = p less than 0.05), while only L lowered supine SBP (p less than 0.01). The cross-over analysis was unable to conclude, due to the number of patients and a significant interaction which reduced its power. Thus the effect of the first treatment's period seemed to influence the efficacy of the second one. The percentages of patients with a controlled BP were respectively: after 4 weeks of treatment, L = 61 p. 100 vs C = 42 p....Continue Reading

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