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  • Title: [Regression of left ventricular mass in arterial hypertension. Efficacy of 3 different treatment protocols].
    Author: González-Juanatey JR, Amaro Cendón A, Calvo Gómez C, Vega Fernández M, García Acuña JM, Virgós Lamela A, Gil de la Peña M.
    Journal: Med Clin (Barc); 1992 Mar 21; 98(11):401-4. PubMed ID: 1533259.
    Abstract:
    BACKGROUND: To evaluate the antihypertensive efficacy, at rest and under exercise, in patients treated with three different antihypertensive drugs and the modifications induced on the left ventricular mass. METHODS: Fifty hypertensive males, mean age 51 years, 15 received 50 mg/day of chlorthalidone, 20 atenolol (100 mg/day) and 15 enalapril (20-40 mg/day). Baseline pressure control and echocardiogram, and 3, 6 and 9 months after starting therapy were performed. Thickness of the interventricular septum and posterior left ventricular wall in mm, left ventricular mass index in g/m2 were determined. RESULTS: The baseline septum in the diuretic group was 15 +/- 3 mm and 14 +/- 3 mm at 9 months, in the atenolol group was 16 +/- 3 mm and 12 +/- 2 mm (p less than 0.001), and in the enalapril group 15 +/- 2 mm and 12 +/- 3 mm (p less than 0.01). The posterior wall was 14 +/- 3 mm and 13 +/- 2 mm in the diuretic group, in the atenolol group 15 +/- 2 mm and 12 +/- 2 mm (p less than 0.001) and in the enalapril group 15 +/- 2 mm and 12 +/- 3 mm (p less than 0.01). The left ventricular mass index was in he diuretic group 153 +/- 45 g/m2 and 146 +/- 36 g/m2, in the atenolol group 167 +/- 34 g/m2 and 128 +/- 24 g/m2 (p less than 0.001) and in the enalapril group 156 +/- 36 g/m2 and 131 +/- 26 g/m2 (p less than 0.05). CONCLUSIONS: The antihypertensive efficacy at rest was similar with the three drugs, being under exercise superior atenolol and enalapril. Only atenolol and enalapril induced regression of left ventricular mass.
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