Journal of cardiothoracic surgery · 2016
Repair or replace ischemic mitral regurgitation during coronary artery bypass grafting? A meta-analysis.
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Wang Yushu, Shi Xiuli, Wen Meiqin, Chen Yucheng, Zhang Qing
Аннотация
BACKGROUND: No agreement has been reached for the best surgical treatment for patients with chronic ischemic mitral regurgitation (IMR) undergoing coronary artery bypass grafting (CABG). Our objective was to meta-analyze the clinical outcomes of repair and replacement.
METHODS: A computerized search was performed using Pubmed, Embase, Ovid medline and Cochrane Library. The search terms "ischemic or ischaemic" and "mitral valve" and "repair or replacement or annuloplasty" and "coronary artery bypass grafting" were entered as MeSH terms and keywords. The primary outcomes were operative mortality and late mortality. Secondary outcomes were 2+ or greater recurrence of mitral regurgitation and reoperation rate.
RESULTS: Eleven studies were eligible for the final meta-analysis. These studies included a total of 1750 patients, 60.4 % of whom received mitral valve repair. All patients underwent concomitant coronary artery bypass graft. No differences were found in operative mortality (summary odds ratio [OR] 0.65; 95 % confidence interval [CI] 0.43-1.00; p = 0.05), late mortality (summary hazard ratio [HR] 0.87; 95 % confidence interval [CI] 0.67-1.14; p = 0.31) and reoperation (summary odds ratio [OR] 1.47; 95 % confidence interval [CI] 0.90-2.38; p = 0.12). Regurgitation recurrence was lower in the replacement group (summary odds ratio [OR] 5.41; 95 % confidence interval [CI] 3.12-9.38; p < 0.001).
CONCLUSION: In patients with chronic ischemic mitral regurgitation during CABG, mitral valve replacement is associated with lower recurrence of regurgitation. No differences were found regarding survival and reoperation rates.
METHODS: A computerized search was performed using Pubmed, Embase, Ovid medline and Cochrane Library. The search terms "ischemic or ischaemic" and "mitral valve" and "repair or replacement or annuloplasty" and "coronary artery bypass grafting" were entered as MeSH terms and keywords. The primary outcomes were operative mortality and late mortality. Secondary outcomes were 2+ or greater recurrence of mitral regurgitation and reoperation rate.
RESULTS: Eleven studies were eligible for the final meta-analysis. These studies included a total of 1750 patients, 60.4 % of whom received mitral valve repair. All patients underwent concomitant coronary artery bypass graft. No differences were found in operative mortality (summary odds ratio [OR] 0.65; 95 % confidence interval [CI] 0.43-1.00; p = 0.05), late mortality (summary hazard ratio [HR] 0.87; 95 % confidence interval [CI] 0.67-1.14; p = 0.31) and reoperation (summary odds ratio [OR] 1.47; 95 % confidence interval [CI] 0.90-2.38; p = 0.12). Regurgitation recurrence was lower in the replacement group (summary odds ratio [OR] 5.41; 95 % confidence interval [CI] 3.12-9.38; p < 0.001).
CONCLUSION: In patients with chronic ischemic mitral regurgitation during CABG, mitral valve replacement is associated with lower recurrence of regurgitation. No differences were found regarding survival and reoperation rates.