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  • Title: Angiotensin-converting enzyme inhibitors and effects on left ventricular hypertrophy.
    Author: Dahlöf B.
    Journal: Blood Press Suppl; 1994; 2():35-40. PubMed ID: 8061844.
    Abstract:
    Left ventricular hypertrophy (LVH) is a recognized complication of, rather than a physiological response to, hypertension, being a powerful independent indicator of cardiovascular disease risk. In addition, it is reasonable to assume that the reversal of LVH is a desirable therapeutic goal in the treatment of hypertension. Furthermore, the renin-angiotensin system plays an important role in LVH and, in particular, in the development of cardiac interstitial fibrosis. Therefore, the effect of angiotensin-converting enzyme (ACE) inhibition on LVH is of particular interest. In both experimental and human studies, ACE inhibitors appear to perform better than other antihypertensive agents in reversing cardiac structural changes. A recent meta-analysis showed ACE inhibitors to be more efficacious than other first-line antihypertensives in reducing left ventricular mass. A controlled long-term study of previously untreated men showed that enalapril reversed LVH significantly better than did hydrochlorothiazide and that the regression of LVH was independently related to blockade of the renin-angiotensin system. Indeed, there have been studies showing that ACE inhibitors can affect LVH without lowering blood pressure. Moreover, ACE inhibitors have shown cardioprotective and cardioreparative properties in experimental models of hypertensive LVH. In conclusion, ACE inhibitors are effective in reversing LVH as well as interstitial fibrosis. The prognostic implications of this remain to be seen. So far, the experience with spirapril on LVH is limited, but the accumulated data are promising.
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