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24.09.2019 | Original Article

Moderate ischemic mitral incompetence: does it worth more ischemic time?

Zeitschrift:
General Thoracic and Cardiovascular Surgery
Autoren:
Mohammed A. El-Hag-Aly, Yasser F. El swaf, Marwan H. Elkassas, Mohamed G. Hagag, Heba Khodary Allam
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Abstract

Objectives

Ischemic mitral regurgitation (IMR) is a common finding following myocardial infarction or ischemia. Management of moderate IMR is still a hot topic. Adding mitral valve repair (MVr) to coronary artery bypass grafting (CABG) is questionable. The goal of this study was to assess and compare short-term clinical and echocardiographic results of moderate IMR treated by CABG alone versus another group of patients treated by CABG plus MVr.

Methods

Eighty consecutive patients with ischemic heart disease (IHD) and moderate IMR were divided randomly into two equal groups: group I (40) had only CABG and group II (40) had CABG plus MVr. Patients were evaluated at 1-week, 3-months and 1-year intervals postoperatively.

Results

After 1-year follow-up, our study revealed statistically significant improvement in the grade of mitral regurgitation (MR) in group II than group I. The mean value for effective regurgitant orifice area (EROA) was 0.22 ± 0.13 for group I versus 0.03 ± 0.03 for group II (P = 0.001) and for vena contracta (VC), it was 3.8 ± 2.24 for group I versus 0.4 ± 0.49 for group II (P = 0.000). There was also a significant reduction in the New York Heart Association (NYHA) functional class in both groups.

Conclusions

MVr can be performed safely and concomitantly with CABG in patients having moderate IMR, and its addition to CABG have significant short-term impact on clinical or echocardiographic outcome of patients.

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