QJM, Vol 89, Issue 1 65-70, Copyright © 1996 by Oxford University Press
Y Kanno, H Suzuki, H Okada, T Takenaka and T Saruta
The effects of calcium channel blockers (CCBs) and angiotensin converting
enzyme (ACE) inhibitors on blood pressure and the progression of renal
dysfunction were compared in hypertensive patients with polycystic kidney
disease (PKD). Twenty-six patients with PKD and hypertension who had been
treated with other antihypertensive agents, such as diuretics,
beta-blockers, or alpha-methyldopa, were followed up for two years, during
which their blood pressure and renal function were monitored. Patients were
divided into two groups classified according to the type of
antihypertensive agents given. Group 1 (n = 14) received CCBs, while group
2 (n = 12) received ACE inhibitors. No significant differences were found
in their blood pressure control and serum creatinine levels throughout the
study. The creatinine clearances were decreased in both groups. However,
the decreases in creatinine clearance were smaller (p < 0.05) in the
group treated with CCBs. In addition, two patients in group 2 showed rapid
increases in serum creatinine. Our data suggest that CCBs reduced blood
pressure effectively and preserved renal function in PKD patients at least
as well as ACE inhibitors.
ORIGINAL PAPERS
Calcium channel blockers versus ACE inhibitors as antihypertensives in polycystic kidney disease
Department of Internal Medicine, Keio University, Tokyo, Japan.
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