PMID: 9538933Apr 16, 1998Paper

The arterial length-densities under preventive angiotensin-converting-enzyme inhibiting treatment in the myocardium of spontaneously hypertensive rats

Basic Research in Cardiology
P Bock

Abstract

The length density (Lv) of capillaries is known to be increased in the hearts of spontaneously hypertensive rats (SHR) after high-dosed but also after low-dosed subantihypertensive treatment with the ACE-inhibitor Ramipril administered in utero and post partum. Under the same conditions in the present study only high-dose Zabicipril caused an increase of capillary Lv. Under preventive ACE-inhibition in both high-dose groups Lv of myocardial arteries was significantly higher. In the low-dose groups Lv was not significantly increased. The increased arterial Lv in the high-dose-group may result from the avoidance of angiotensin II-induced overabundant growth of myocardial muscle-mass. Changes in collagen could not be found in any of the experimental groups.

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