Determinants of outcome after isolated coronary artery bypass grafting in patients aged ≤50 years (from the Coronary aRtery diseAse in younG adultS study).
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Rubino, Antonino S
Axelsson, Tomas A
De Feo, Marisa
MetadataShow full item record
CitationAm. J. Cardiol. 2014, 113 (2):275-8
AbstractThis study was planned to identify the determinants of outcome after coronary artery bypass (CABG) in young patients. Data on 592 patients aged ≤50 years who underwent CABG from 9 European institutions were collected retrospectively. Twenty-eight percent of patients received at least 2 arterial grafts. Clopidogrel was used at discharge in 16.2% and statins in 67.2% of patients. Freedom from major adverse cardiac and cerebrovascular events at 1, 3, and 5 years was 93.8%, 90.1%, and 85.0%; survival rate was 98.3%, 96.3%, and 94.9%; freedom from myocardial infarction was 96.3%, 95.1%, and 92.5%; and freedom from repeat revascularization was 96.3%, 95.1%, and 92.5%, respectively. Neither types of grafts nor medication at discharge had any impact on the late outcome. Age <40 years (relative risk [RR] 2.19, 95% confidence interval [CI] 1.17 to 4.11), diabetes (RR 1.71, 95% CI 1.02 to 2.88), estimated glomerular filtration rate <60 ml/min/1.73 m(2) (RR 2.44, 95% CI 1.26 to 4.72), non-ST-elevation myocardial infarction/ST-elevation myocardial infarction (RR 2.12, 95% CI 1.27 to 3.55), emergency procedure (RR 2.34, 95% CI 1.13 to 4.88), and left ventricular ejection fraction <30% (RR 3.18, 95% CI 1.41 to 7.16) were independent predictors of major adverse cardiac and cerebrovascular events. Patients with left ventricular ejection fraction <30% had a particularly poor survival rate (at 5 years 67.7% vs 96.1%; adjusted analysis RR 14.01, 95% CI 5.16 to 38.03). Poor left ventricular function, myocardial infarction, diabetes, renal failure, and age <40 years are major determinants of late outcome after CABG in young patients. In conclusion, data from this real-world registry indicate that multiple arterial grafts and statin treatment are largely underutilized in these patients.
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