Document Detail

The effect of age on outcomes of coronary artery bypass surgery compared with balloon angioplasty or bare-metal stent implantation among patients with multivessel coronary disease. A collaborative analysis of individual patient data from 10 randomized trials.
MedLine Citation:
PMID:  23153843     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: This study sought to assess whether patient age modifies the comparative effectiveness of coronary artery bypass graft (CABG) surgery and percutaneous coronary intervention (PCI).
BACKGROUND: Increasingly, CABG and PCI are performed in older patients to treat multivessel disease, but their comparative effectiveness is uncertain.
METHODS: Individual data from 7,812 patients randomized in 1 of 10 clinical trials of CABG or PCI were pooled. Age was analyzed as a continuous variable in the primary analysis and was divided into tertiles for descriptive purposes (≤56.2 years, 56.3 to 65.1 years, ≥65.2 years). The outcomes assessed were death, myocardial infarction and repeat revascularization over complete follow-up, and angina at 1 year.
RESULTS: Older patients were more likely to have hypertension, diabetes, and 3-vessel disease compared with younger patients (p < 0.001 for trend). Over a median follow-up of 5.9 years, the effect of CABG versus PCI on mortality varied according to age (interaction p < 0.01), with adjusted CABG-to-PCI hazard ratios and 95% confidence intervals (CI) of 1.23 (95% CI: 0.95 to 1.59) in the youngest tertile; 0.89 (95% CI: 0.73 to 1.10) in the middle tertile; and 0.79 (95% CI: 0.67 to 0.94) in the oldest tertile. The CABG-to-PCI hazard ratio of less than 1 for patients 59 years of age and older. A similar interaction of age with treatment was present for the composite outcome of death or myocardial infarction. In contrast, patient age did not alter the comparative effectiveness of CABG and PCI on the outcomes of repeat revascularization or angina.
CONCLUSIONS: Patient age modifies the comparative effectiveness of CABG and PCI on hard cardiac events, with CABG favored at older ages and PCI favored at younger ages.
Marcus Flather; June-Wha Rhee; Derek B Boothroyd; Eric Boersma; Maria Mori Brooks; Didier Carrié; Tim C Clayton; Nicholas Danchin; Christian W Hamm; Whady A Hueb; Spencer B King; Stuart J Pocock; Alfredo E Rodriguez; Patrick Serruys; Ulrich Sigwart; Rodney H Stables; Mark A Hlatky
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Publication Detail:
Type:  Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial    
Journal Detail:
Title:  Journal of the American College of Cardiology     Volume:  60     ISSN:  1558-3597     ISO Abbreviation:  J. Am. Coll. Cardiol.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-16     Completed Date:  2013-01-15     Revised Date:  2013-07-17    
Medline Journal Info:
Nlm Unique ID:  8301365     Medline TA:  J Am Coll Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2150-7     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2012 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.
University of East Anglia, Norwich, United Kingdom.
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MeSH Terms
Angioplasty, Balloon, Coronary*
Confidence Intervals
Coronary Artery Bypass / methods*
Coronary Artery Disease / mortality,  surgery*
Follow-Up Studies
Middle Aged
Risk Factors
Survival Rate / trends
Time Factors
Comment In:
J Am Coll Cardiol. 2013 Jun 4;61(22):2312-3   [PMID:  23524208 ]

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

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