Rapid Reversal of Left Ventricular Hypertrophy and Intracardiac Volume Overload in Patients With Resistant Hypertension and Hyperaldosteronism A Prospective Clinical Study
2010
We have shown previously that patients with resistant hypertension and hyperaldosteronism have increased brain natriuretic peptide suggestive of increased intravascular volume. In the present study, we tested the hypothesis that hyperaldosteronism contributes to cardiac volume overload. Thirty-seven resistant hypertensive patients with hyperaldosteronism (urinary aldosterone ≥12 μg/24 hours and plasma renin activity ≤1.0 ng/mL per hour) and 71 patients with normal aldosterone status were studied. Both groups had similar blood pressure and left ventricular mass, whereas left and right ventricular end-diastolic volumes measured by cardiac MRI were greater in high versus normal aldosterone subjects ( P
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