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


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Authors: S.I. Zheleznev, A.V. Bogachev-Prokof’ev, R.M. Tuleutaev, V.M. Nazarov, I.I. Demin, I.V. Ivanov, A.N. Pivkin, O.Yu. Malakhova

Company:
E.N. Meshalkin Research Institute of Circulation Pathology, Ministry of Health of the RF, ul. Rechkunovskaya, 15, Novosibirsk, 630055, Russian Federation

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Link: Clinical Physiology of Blood Circulaiton. 2015; (): -

Quote as: Zheleznev S.I., Bogachev-Prokof’ev A.V., Tuleutaev R.M., Nazarov V.M., Demin I.I., Ivanov I.V., Pivkin A.N., Malakhova O.Yu.. Intraoperative features of two types of mitral valve posterior leaflet prolapse repair techniques due to mesenchymal dysplasia. Klinicheskaya Fiziologiya Krovoobrashcheniya (Clinical Physiology of Circulation, Russian journal). 2015; 1: 14-18 (in Russ.)

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Abstract

The article presents the results of a comparison of intraoperative data of two approaches to the mitral valve repair: chordal replacement and leaflet resection. The age of patients in the chordal replacement group was 57 (46; 63) years in a group of resection technique 55 (47; 62) years (p = 0.76). In the chordal replacement group a cardiopulmonary bypass time and aortic clamp time was longer than in the second group: 159 (130; 191) min and 105 (84; 138) min, respectively (p < 0.01); 115 (94; 134) min and 77 (59; 104) min, respectively (p < 0.01). Larger prosthetic ring was implanted in the chordal replacement group compared with the group of resection technique – 32 (30; 34) mm and 30 (28; 32) mm, respectively (p = 0.03). Coaptation length in the chordal replacement group was significantly larger than in the group of leaflet resection – 8.9 (7.3; 9.5) mm and 7.0 (6.1; 7.2) mm, respectively (p<0.01). No operative deaths were observed. Both methods showed excellent intraoperative results, reconstruction was performed in all patients, with complete exclusion of mitral regurgitation.


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