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Article Type

Original Study

Abstract

Back ground The purpose of this study is to determine the role of the viability study to solve the dilemma of management of moderate ischemic mitral regurgitation (IMR): when to do revascularization alone or revascularization and mitral valve repair?. Patients and methods A retrospective study included 120 patients with ischemic heart disease (IHD) who underwent coronary artery bypass surgery (CABG) with IMR aged from 40 to 65 years of both sexes. They were divided into two groups of patients: Group I: 60 patients with IHD and moderate IMR had CABG for revascularization only. Group II: 60 patients with IHD and moderate IMR had CABG for revascularization combined with mitral valve repair. Preoperative viability was done by MRI study for all patients of moderate IMR, to assess the viability of the posteroinferior wall regardless the ejection fraction of the heart. Results After 1 week, five patients had severe MR in group I, compared with only one patient in group II. In addition, after 6 months, eight patients had severe MR in group I, whereas in group II, only one patient had severe MR. Conclusion Patients with nonviable posteroinferior segment had better results when revascularization was combined with mitral valve repair, than those who only experienced revascularization alone. However, if that territory is viable, the results are similar in both groups.

Keywords

Coronary artery bypass surgery, ischemic mitral regurge, mitral repair, moderate, viability study

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