DOI: https://doi.org/10.22141/2224-0586.6.53.2013.88705

Chronic Heart Failure with Preserved Systolic Function: the Features of Morphological and Functional Status of Platelets and Their Changes under the Influence of the Treatment

O.V. Kuryata, Yu.S. Kushnir

Abstract


Chronic heart failure (CHF) is one of the main problems of cardiovascular diseases. In recent years views on CHF structure have changed — CHF with preserved systolic function of the left ventricle is prevailed. The risk of thrombosis persists despite the use of aspirin, that requires changes in the tactics of treatment. We aimed to examine the morphological and functional status of platelets in patients with CHF and preserved ejection fraction associated with coronary heart disease (CHD) and changes when using meldonium in a complex therapy against administration of aspirin. The study included 12 patients (8 males, 4 females) aged from 51 to 75 years (mean age, М ± m, 67.8 ± 2.7 years) with CHF of functional class II and III, who had preserved systolic function of the left ventricle, associated with CHD. Control group consisted of 6 patients with CHD aged from 46 to 61 years ((mean age 50.8 ± 2.2 years) without clinical and objective data of CHF. All examined patients with CHF were divided into 2 groups depending on the type of treatment. The first group included 7 patients with CHF, who in addition to standard therapy recieved meldonium (Vazopro preparation, produced by Farmak, Ukraine) in the dose of 1.0 g intravenously. The second group included 5 patients who received only standard therapy. The morphological and functional status of platelets was estimated by electronic microscopy. In CHF there had been detected an increase in platelet aggregation, suggesting an increased risk of thrombosis in these patients. The use of meldonium in comprehensive treatment of CHF determine not only for the positive clinical effect, but the effect of the platelets by reducing the number of activated, aggregated, degranulated and increase of non-activated forms.


Keywords


chronic heart failure; platelets; meldonium

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