Clinical Physiology of Circulation

Chief Editor

Leo A. Bockeria, MD, PhD, DSc, Professor, Academician of Russian Academy of Sciences, President of Bakoulev National Medical Research Center for Cardiovascular Surgery


Сравнение результатов протезирования митрального клапана механическими одно- и двустворчатыми протезами

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Link: Clinical Physiology of Blood Circulaiton. 2009; (): -

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Abstract

Comparison of the results of mitral valve prosthesis having used uni- (2nd group - 44 patients) and bicuspid (1st group - 92 patients) prosthetic devices was carried out in Saratov cardiosurgical centre. Comparable results included lethality, complications and probability of survival. However the usage of bicuspid prosthetic devices is more favourable as there is a possibility of mitral subvalvular apparatus preservation without the threat of prosthetic devices disf unction (1st group - 54%, 2nd group - 27%). It promotes the decrease of cases of inotropic support (1st group - 36%, 2nd group - 56.5%), lethality in the early postoperative period (1st group - 4.3%, 2nd group - 13.6%) and general distant lethality (10-year probability of survival in the 1st group - 88%, in the 2nd group - 84.7%). The positive dynamics has been determined in the first year after the operation. During the following four years the stabilization of ECHO-indices and after that the decrease of myocardial reserve at patients with completely excised mitral valve have been observed.

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