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  • Title: Effect of angiotensin-converting enzyme inhibitors on non-diseased myocardium of experimental animals: potential clinical implications.
    Author: Simko F, Pechanova O, Bernatova I, Pelouch V.
    Journal: Med Hypotheses; 2000 Apr; 54(4):626-7. PubMed ID: 10859652.
    Abstract:
    Angiotensin-converting enzyme (ACE) inhibitors protect the hearts of patients with different levels of cardiac disorder. The greatest benefit seems to be achieved in subjects with most severe heart failure. Moreover, ACE inhibition is protective also in patients without manifested heart failure but with severe systolic left ventricular dysfunction. Data are presented that ACE inhibitors can alter the composition of the myocardium also in control: healthy animals. In rats and rabbits with non-diseased heart, chronic ACE inhibition reduced fibrotic tissue concentration in the left ventricle. We speculate that if this were applied to humans, ACE inhibition may prove to be of potential benefit in subjects with normal systolic function but with a trend to left ventricular filling abnormalities caused by increased ventricular stiffness. In these patients reduction of myocardial fibrotic tissue might prevent deterioration of diastolic function.
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