Document Detail


Mitral valve replacement combined with coronary artery bypass graft surgery in patients with moderate-to-severe ischemic mitral regurgitation.
MedLine Citation:
PMID:  23333215     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
INTRODUCTION: Ischemic mitral regurgitation (IMR) is associated with increased mortality. Even after coronary artery bypass grafting (CABG), IMR reduces survival. Several studies have shown increased perioperative mortality for mitral valve replacement (MVR) in this situation, but the subject remains controversial. OBJECTIVE: To investigate the impact of MVR on immediate outcomes in patients with moderate-to-severe IMR undergoing concomitant CABG compared with those undergoing CABG only. METHODS: We performed a retrospective study of 42 patients undergoing CABG+MVR (n=16) or CABG only (n=26) at the Division of Cardiovascular Surgery of PROCAPE, between May 2007 and April 2010. Preoperative clinical characteristics, procedural characteristics, major and minor complications after surgery, preoperative and postoperative left ventricular ejection fraction (LVEF) by echocardiography, and outcome (survivor or death) were assessed. RESULTS: Mean patient age was 63.4±8.5 years, and 64.8% (n=23) were male. The CABG+MVR group showed lower rates of postoperative low cardiac output (6.3% vs. 42.3%, p=0.014) and atrial fibrillation (6.3% vs. 38.5%, p=0.021). Both groups had higher mean LVEF in the postoperative compared with the preoperative period, but the average gain in LVEF in the CABG+MVR group was higher than in the CABG-only group (8.88±2.39 vs. 4.31±1.23, p<0.001). There was no significant difference in operative mortality (6.3% vs. 7.7%, p=0.679). CONCLUSIONS: CABG+MVR can be performed safely in patients with moderate-to-severe IMR. CABG+MVR resulted in lower rates of complications than CABG only. Both surgical approaches resulted in significant improvement of postoperative LVEF. However, there was greater improvement in the CABG+MVR group.
Authors:
Michel Pompeu B O Sá; Evelyn F Soares; Cecília A Santos; Omar J Figueiredo; Renato O A Lima; Rodrigo R Escobar; Frederico P Vasconcelos; Ricardo C Lima
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-17
Journal Detail:
Title:  Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology     Volume:  -     ISSN:  0870-2551     ISO Abbreviation:  Rev Port Cardiol     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8710716     Medline TA:  Rev Port Cardiol     Country:  -    
Other Details:
Languages:  ENG; POR     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Sociedade Portuguesa de Cardiologia. Published by Elsevier España. All rights reserved.
Affiliation:
Division of Cardiovascular Surgery, Pronto Socorro Cardiológico de Pernambuco, University of Pernambuco, Pernanbuco, Brazil. Electronic address: michel_pompeu@yahoo.com.br.
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