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  • Title: [Hypertensive heart disease simulating dilated cardiomyopathy].
    Author: Takarada A, Yokota Y, Kumaki T, Toh S, Seo T, Kubo M, Maehashi N, Fujitani K, Furuta Y, Fukuzaki H.
    Journal: J Cardiogr; 1985 Dec; 15(4):1015-26. PubMed ID: 2944971.
    Abstract:
    Echocardiography was performed for 246 patients with hypertension. Among the 246 patients, echocardiographic features simulating dilated cardiomyopathy (DCM) were observed in 12. These patients had past history of hypertension and prominent left ventricular dilatation with reduced left ventricular contractility, but no left ventricular wall thickening. To elucidate the mechanism producing DCM-like features in patients with hypertension, the clinical and echocardiographic findings of the 12 hypertensive patients (HT-DCM) were compared with those of 50 hypertensive patients without dilated left ventricles and of 31 patients with DCM. On admission, all patients with HT-DCM had congestive heart failure (CHF) without high blood pressure and their echocardiograms revealed the abnormal findings described above. There were no differences of the clinical and echocardiographic findings on admission between HT-DCM and DCM. Following medical treatment, relatively early improvement of CHF was noted in all patients with HT-DCM; the LV dimension decreased and diffuse wall motion abnormality improved steadily with gradual elevation of blood pressure during the follow-up periods. The LV function of most patients with HT-DCM improved markedly but never reached normal levels. There were no significant differences the right ventricular endomyocardial biopsy findings of between DCM and HT-DCM. It was suggested the DCM-like features in these cases are caused, not only by hypertension, but by other factors, as well.
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