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  • Title: [A case of dilated cardiomyopathy caused by myocardial microinfarcts in the course of polycythemia vera].
    Author: Konopka A, Stepińska J, Banaszewski M, Szajewski T.
    Journal: Pol Merkur Lekarski; 1998 Jan; 4(19):26-8. PubMed ID: 9583943.
    Abstract:
    This article presents a case of 45-year-old man with polycythemia vera non diagnosed before. The first symptom of polycythemia vera was acute congestive heart failure which suggested diagnosis of myocarditis. Polycythemia vera was confirmed by raised hematocrit, significantly increased platelet count, normal oxygen saturation, score for leukocyte alkaline phosphatase (LAP)-130 and splemomegaly. Echocardiography revealed left ventricular histological. Coronary arteriography showed normal coronary arteries. Finding of histological examination of the endomyocardial biopsy were described as necrosis of myocytes and abnormal blood flow in very small coronary vessels. It was the main reason of dilated cardiomyopathy caused by microinfarcts in polycythemia vera. Hematological parameters were reduced to normal levels after hydroxyurea treatment. Digitalis and ACE-inhibitor therapy quickly improved cardiovascular status from III to II NYHA class.
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