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THE JOURNAL OF CARDIOVASCULAR SURGERY

A Journal on Cardiac, Vascular and Thoracic Surgery


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The Journal of Cardiovascular Surgery 2014 Apr 23

Copyright © 2014 EDIZIONI MINERVA MEDICA

language: English

Outcomes of patients with mild to moderate ischemic mitral regurgitation after coronary artery bypass graft surgery alone

Ziabakhsh Tabary S. 1, Minouee A. 2

1 Department of Cardiac Surgery, Mazandaran University of Medical Sciences, Sari, Iran; 2 Mazandaran University of Medical Sciences, Sari, Iran


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AIM: Mitral regurgitation (MR) is considered as an independent factor in determining prognosis of patients with myocardial infarction and impacts of untreated insufficiency on long-term results of patients undergoing CABG is well recognized. Regarding proper treatment of mild to moderate regurgitation of mitral valve is controversial and there is little research in this field in our country, we attempted to examine this issue by planning and executing the present study.
METHODS: 40 patients were studied in Mazandaran Heart Center, Sari, Iran in 2012. Echocardiography was done before surgery and ones with mild to moderate ischemic mitral regurgitation were studied. Patients were underwent echocardiography 3 times after surgery.
RESULTS: Average score of LVEF in the studied patients increased from 21±2.4% to 32.3±4.8% in a manner that average increasing variation of LVEF in patients, 2 months after surgery was 3.8±10.8%, not showing significant statistic difference, but 6 months after surgery it was increased by 9.2±11.2%. Also, average classification score of NYHA class in the patients decreased from 3.4±0.2 to 1.5±0.9 (p=0.09) and average decreasing score of NYHA class in the studied group, 2 months after surgery was -1.8± 0.5 and at the end of 6 months after surgery, it decreased by about -2.1±0.3.
CONCLUSION: Average grade of Mitral regurgitation in patients undergoing CABG decreased as compared with baseline state significantly. With due attention to complications and mortality of patients in this study, one can understand that ideal treatment results can be obtained through correct selection of patients before CABG, although more studies with wider statistical sample volume is recommended.

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