Document Detail

Postoperative clopidogrel improves mid-term outcome after off-pump coronary artery bypass graft surgery: a prospective study.
MedLine Citation:
PMID:  16388957     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Clopidogrel decreases recurrent ischemic events and improves intracoronary stent patency. There are scarce data on the effect of short-term and long-term clopidogrel on symptom recurrence and adverse cardiac events following off-pump coronary artery bypass graft surgery (OPCAB). METHODS: Postoperative antiplatelet medication use was prospectively evaluated in 591 OPCAB patients. Clopidogrel was administered for 30 days in 186 patients and 139 received long-term clopidogrel (mean 33.6+/-12.0 months) in addition to aspirin. Follow-up was 37.7+/-13.4 months. Symptom recurrence (angina and congestive heart failure), adverse cardiac events (myocardial infarction, coronary reintervention, and sudden cardiac death), and overall mortality were prospectively recorded. Multivariate Cox regression analysis was used to evaluate predictors of end points. RESULTS: There was no difference with respect to preoperative risk factors between patient groups. In the multivariate analysis, postoperative clopidogrel independently decreased symptom recurrence (p<0.0001, OR 0.3 [0.15-0.99]; 95% CI) and adverse cardiac events (p<0.0001, OR 0.2 [0.10-0.45]; 95% CI). Clopidogrel receivers had significantly lower angina recurrence, myocardial infarction, coronary reintervention, and sudden cardiac death during follow-up. There was no difference in the incidence of end points between short-term (30 days) and long-term receivers of the drug. There were 17 bleeding complications (4 major and 13 minor) in 15 patients during the follow-up period. Of the 15 patients, 6 were on clopidogrel in addition to aspirin (1.8%) while the remaining 9 were on aspirin (3.3%) only at the time of bleeding (p=0.8). CONCLUSIONS: Clopidogrel therapy was independently associated with decreased symptom recurrence and adverse cardiac events following OPCAB. Extending clopidogrel use beyond 30 days did not have a significant effect on defined end points.
Ahmet Tayfun Gurbuz; Ayhan A Zia; Ali Can Vuran; Haiyan Cui; Aydin Aytac
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery     Volume:  29     ISSN:  1010-7940     ISO Abbreviation:  Eur J Cardiothorac Surg     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-01-23     Completed Date:  2006-05-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804069     Medline TA:  Eur J Cardiothorac Surg     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  190-5     Citation Subset:  IM    
Department of Cardiothoracic Surgery and Cardiology, Anadolu Foundation Healthcare System, Gebze Kocaeli, Turkey.
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MeSH Terms
Anticoagulants / therapeutic use
Aspirin / therapeutic use
Chi-Square Distribution
Coronary Artery Bypass, Off-Pump / methods*
Coronary Disease / drug therapy,  surgery*
Drug Therapy, Combination
Middle Aged
Myocardial Infarction / prevention & control
Platelet Aggregation Inhibitors / therapeutic use*
Postoperative Period
Prospective Studies
Regression Analysis
Risk Factors
Ticlopidine / analogs & derivatives*,  therapeutic use
Time Factors
Treatment Outcome
Reg. No./Substance:
0/Anticoagulants; 0/Platelet Aggregation Inhibitors; 50-78-2/Aspirin; 55142-85-3/Ticlopidine; 90055-48-4/clopidogrel

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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