Surgical treatment of the ischemic heart disease with lowered contractility of left ventricle and mitral valve insufficiency

Keywords: іschemic heart disease; іschemic mitral insufficiency; myocardial infarction; lowered contractility of left ventricle; plasty; prosthesis of mitral valve.

Abstract

Objective. To determine the impact of the mitral valve insufficiency in patients, suffering ischemic heart disease with lowered contractility of left ventricle and methods of its treatment.

Materials and methods. During 01.01.2015-31.12.2018 yrs period in the Amosov National Institute of Cardiovascular Surgery there were conducted 2267 consecutive operations of coronary shunting, of them 190 (8.4%) - in patients, suffering the ischemic heart disease with lowered contractility of left ventricle. Reduction of the output fraction of left ventricle down to 35% and lower have served as criterion of inclusion of the patients into the Group. There were 170 (89.5%) men and 20 (10.5%) women. The patients’ age have constituted 29 - 83 yrs old, (61.1 ± 8.9) yrs old at average.

Results. In 47.9% of the patients the lowering of the left ventricle contractility after myocardial infarction was followed by occurrence of regurgitation on a mitral valve. At the same time it was noted, that the regurgitation value have had correlated with degree of the left ventricle contractility lowered: in reduction of values of the left ventricle output fracture down to 25% and lower a moderate regurgitation on a mitral valve was registered up to 2 times, a significant one - in 2.5 times, and the pronounced one - in 1.5 times more frequently, than in values of the left ventricle output fracture, exceeding 25%. Occurrence of a mitral insufficiency in 18.7% patients was caused by direct damage of valvular apparatus, while in 81.3% patients the consequences of the heart cavities were present in disorder of contractile function of myocardium. Presence of postinfarction mitral insufficiency enhances the risk of an acute cardiac insufficiency in 1.7 times and necessitates intraoperative correction in values of the regurgitation fraction over 30%.

Conclusion. The own data obtained witness, that noncorrected mitral insufficiency in the ischemic heart disease worsens significantly the postoperative period course after performance of coronary shunting, enhancing rate of an acute cardiac, respiratory and renal insufficiency. Thus, taking into account a negative impact of concomitant mitral valve insufficiency on efficacy of surgical interventions in the lowered contractility of left ventricle the need emerges to perform complex reconstructive intervention in patients, suffering ischemic heart disease with lowered contractility of left ventricle.

Author Biographies

S. A. Rudenko, Amosov National Institute of Cardiovascular Surgery, Kyiv

Rudenko Sergey Anatolyevich, MD, PhD(Med),
Head of the Department of Surgical Treatment of Ischemic Heart Disease
Amosov National Institute of Cardiovascular Surgery,
6 Amosova st., Kyiv, Ukraine, 03038,
+38 (044)249-64-18
rudenkosa@ua.fm
https://orcid.org/0000-0002-6506-713X

A. V. Rudenko, Amosov National Institute of Cardiovascular Surgery, Kyiv

Rudenko Kaschenko Zakharova Anatoliy Viktorovych, MD, DSci(Med), Professor
Deputy Director for Research
Amosov National Institute of Cardiovascular Surgery,
6 Amosova str., Kyiv, Ukraine, 03038,
+38 (044)249-64-18
avrudenko@i.ua
https://orcid.org/0000-0003-1099-1613

Yu. V. Kaschenko, Amosov National Institute of Cardiovascular Surgery, Kyiv

Kaschenko Yurii Vladimirovich, MD, surgeon,
Department of Surgical Treatment of Ischemic Heart Disease
Amosov National Institute of Cardiovascular Surgery,
6 Amosova str., Kyiv, Ukraine, 03038,
+38 (044)249-64-18
yur.kaschenko@gmail.com
https://orcid.org/0000-0003-1389-8262

V. P. Zakharova, Amosov National Institute of Cardiovascular Surgery, Kyiv

Zakharova Valentina Petrovna, MD, DSci(Med)
Head of the Department of pathology with pathological anatomy
Amosov National Institute of Cardiovascular Surgery,
6 Amosova str., Kyiv, Ukraine, 03038,
+38 (044)270-43-95
vpzakharova@ukr.net
https://orcid.org/0000-0003-3139-0366

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Published
2020-10-29
How to Cite
Rudenko, S. A., Rudenko, A. V., Kaschenko, Y. V., & Zakharova, V. P. (2020). Surgical treatment of the ischemic heart disease with lowered contractility of left ventricle and mitral valve insufficiency. Klinicheskaia Khirurgiia, 87(9-10), 22-26. https://doi.org/10.26779/2522-1396.2020.9-10.22
Section
General Problems of Surgery