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Midterm Outcome of Coronary Artery Bypass Grafting in Young Patients: A Multicenter Italian Study
Ist Teil von
The Annals of thoracic surgery, 2015-11, Vol.100 (5), p.1689-1696
Ort / Verlag
Netherlands: Elsevier Inc
Erscheinungsjahr
2015
Quelle
MEDLINE
Beschreibungen/Notizen
Background Myocardial revascularization in young patients should be durable enough to avoid new cardiovascular events or repeated revascularization procedures. The aim of this study was to evaluate the late outcomes of patients less than 50 years of age undergoing coronary artery bypass grafting (CABG) in comparison with older patients. Methods This study was a survival analysis of a pooled multicenter prospective cohort of patients who underwent CABG. Results Five percent of patients (572 of 11,087) were less than 50 years of age. The prevalence of female sex, pulmonary disease, diabetes, stroke, and extracardiac arteriopathy was lower compared with that in older patients. Left ventricular function was more well preserved in patients less than 50 years of age, but the prevalence of recent myocardial infarction and the need for emergency surgical intervention was significantly higher in young patients. Multiple propensity score–adjusted analysis showed that patients aged less than 50 years had a significantly lower risk of mortality, even when compared with the 50- to 59-year stratum. In the propensity score–matched population (544 pairs), patients less than 50 years of age had significantly better 7-year outcomes compared with patients aged 50 years or more: survival (95.6% versus 81.1%; p < 0.0001), freedom from stroke (97.4% versus 95.3%; p = 0.009), freedom from major adverse cardiac and cerebrovascular events (MACCE) (76.6% versus 63.9%; p = 0.002). Similar freedom from myocardial infarction (90.1% versus 90.1%; p = 0.68) and repeated revascularization (87.1% versus 87.2%; p = 0.65) was observed in patients less than 50 years of age and those older than 50 years. Conclusions Patients less than 50 years of age undergoing CABG have an excellent outcome compared with elderly patients. These data indicate that despite its premature onset, coronary artery disease in young patients does not have a more aggressive course than that in older patients.