left ventricular hypertrophy
Springer Online Journal Archives 1860-2000
Chemistry and Pharmacology
Summary Ten patients (mean age 53 years; range 37–65 years) with hypertension refractory to standard triple treatment were selected for measurement of blood pressure and echocardiographic evaluation of the left ventricular dimensions before and after 3, 6 and 12 months of captopril therapy. In each patient the dose of captopril was titrated to a maximum of 150 mg t.d.s. (range 25 to 150 mg t.d.s.) with a therapeutic goal of ≤90 mmHg diastolic blood pressure. Most patients had added diuretic therapy. Four patients were unable to complete the study, two because of insufficient response to captopril therapy, and two because of side-effects (skin rash and cough). A significant fall in blood pressure was seen after three months of treatment and a reduced blood pressure was still maintained after 12 months. Over the same period, the average number of drugs was reduced from 3.6 to 2.1 per patient. A gradual reduction of septal and posterior wall thickness were noted, from 12.8 and 11.5 mm to 10.0 and 8.5 mm, respectively, after 12 months. Calculated left ventricular muscle mass was insignificantly reduced from 281 to 243 g after 12 months. The present study suggests that in hypertension resistant to conventional multiple therapy, captopril can reduce the blood pressure, and, in the long run it can also induce reversal of left ventricular wall thickening without causing deterioration of left ventricular function.
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