Document Detail

Complete revascularization in patients with severe left ventricular dysfunction.
MedLine Citation:
PMID:  12732088     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: This study evaluates whether patients with coronary artery disease and severely depressed left ventricular ejection fraction (LVEF) benefit from complete revascularization by multivessel coronary artery bypass. METHODS: From April 1994 to May 2002, 42 patients who underwent coronary artery bypass grafting (CABG) at our institution had impaired left ventricular (LV) function [an ejection fraction (EF) of 30% or less]. The average preoperative LVEF was 23.8%. The mean number of grafts was 4.6. Complete revascularization by multivessel bypass grafting was the goal for all patients. RESULTS: Thirty days mortality was 0 and hospital mortality was 2.4%. The mean graft patency rate for 35 (83%) patients at one month was 98.8%. The mean postoperative LVEF improved significantly, from 23.8% to 35.2% (p<0.05), and the New York Heart Association (NYHA) classification was improved in most patients. The Kaplan-Meier estimate of survival at 5 years was 83.1%, and that of the cardiac event-free rate at 5 years was 77.5%. CONCLUSION: For patients with poor LV function, complete surgical revascularization by multivessel bypass grafting can be performed safely, with satisfactory hospital mortality and long-term results.
Hiroyuki Nishi; Satoru Miyamoto; Shuichiro Takanashi; Hirokazu Minamimura; Takumi Ishikawa; Yoshihiro Shimizu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia     Volume:  9     ISSN:  1341-1098     ISO Abbreviation:  Ann Thorac Cardiovasc Surg     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-05-06     Completed Date:  2003-08-14     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9703158     Medline TA:  Ann Thorac Cardiovasc Surg     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  111-6     Citation Subset:  IM    
Department of Cardiovascular Surgery, Osaka City General Hospital, Miyakojimahondori, Osaka, Japan.
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MeSH Terms
Aged, 80 and over
Coronary Artery Bypass*
Coronary Disease / complications,  surgery*
Heart Failure / complications
Middle Aged
Postoperative Complications
Stroke Volume
Vascular Patency
Ventricular Dysfunction, Left / complications*,  physiopathology

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