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Echocardiographic evaluation of mitral durability following valve repair in rheumatic mitral valve disease: Impact of Maze procedure.
MedLine Citation:
PMID:  23177125     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: The data on echocardiographic evaluation of mitral durability after rheumatic mitral repair is scarce. METHODS: A total of 193 patients (mean age, 39.4 ± 12.8 years; 154 females) who underwent mitral valve repair for rheumatic valve disease from 1997 to 2010 were included in the study. A Maze operation was performed in 90.3% (n = 102) of the patients with atrial fibrillation (n = 113). Survival, valve-related complications, and echocardiographic data were evaluated. RESULTS: Mitral regurgitation was the predominant disease in 75.6% of patients (n = 146). There was one early death (0.5%) . During the mean follow-up period of 76.7 ± 45.6 months, there were 9 late deaths and 5 mitral reoperations. Valve-related, event-free survival at 10 years was 85.5% ± 3.3%. In serial postoperative echocardiographic evaluations (mean follow-up duration, 53.7 ± 43.5 months), 40 patients showed either mitral regurgitation (>mild; n = 31) or mitral stenosis (mitral valve area ≤1.5 cm(2); n = 9). At 10 years, 66.4% ± 5.4% of the patients did not have moderate to severe mitral dysfunction. By multivariate analysis, no Maze operation for atrial fibrillation was an independent predictor of mitral dysfunctions (hazard ratio, 3.72; 95% confidence interval, 1.47-9.42; P = .005), whereas the presence of hypertension had borderline significance (hazard ratio, 3.15; 95% confidence interval, 0.96-10.38; P = .059). CONCLUSIONS: Although rheumatic mitral repair showed excellent long-term clinical outcomes, a significant proportion of patients experienced moderate to severe mitral dysfunctions postoperatively. Atrial fibrillation without a Maze procedure increased significantly the risks of mitral dysfunctions and adverse outcomes. Therefore, routine performance of a Maze procedure is warranted in the presence of atrial fibrillation whenever possible.
Authors:
Gwan Sic Kim; Chee Hoon Lee; Joon Bum Kim; Sung-Ho Jung; Suk Jung Choo; Cheol Hyun Chung; Jae Won Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-20
Journal Detail:
Title:  The Journal of thoracic and cardiovascular surgery     Volume:  -     ISSN:  1097-685X     ISO Abbreviation:  J. Thorac. Cardiovasc. Surg.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376343     Medline TA:  J Thorac Cardiovasc Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.
Affiliation:
Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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