Coronary Artery DiseaseInfluence of patient age on acute and late clinical outcomes following Palmaz-Schatz coronary stent implantation☆
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Abstract:

AbstractProcedural success may be lower and complication rates higher after balloon angioplasty in older patients. Elective stent implantation improves procedural outcome in younger patients; however, few series have specifically analyzed the octogenarian population. Therefore, we studied 2,534 consecutive patients (3,965 native coronary artery stenoses) who were treated electively with Palmaz-Schatz stents and divided them into 3 groups: (1) ≤70 years old (n = 1,805), (2) 71 to 80 years old (elderly, n = 607), and (3) >80 years old (octogenarian, n = 122). Major in-hospital complications (death, myocardial infarction, and urgent bypass surgery) were significantly higher in the octogenarians than in the elderly and patients ≤70 years of age (4.5% vs 2.0% and 1.5%; p = 0.001). At 1-year follow-up, cardiac events (death, nonfatal myocardial infarction, and need for any revascularization) did not differ among groups; however, there was a stepwise increase in late death in octogenarians (5%) compared with elderly patients (2%) and patients aged ≤70 years (1%) (p = 0.001). Target lesion revascularization was similar among the groups (11% in octogenarian vs 14% in elderly and 15% in patients ≤70 years, p = 0.791). By multivariate logistic regression analysis, age was an independent predictor of late mortality (odds ratio 1.05, p = 0.0001), but not a predictor of target lesion revascularization. Stent implantation in octogenarians is associated with (1) more acute complications, (2) a higher in-hospital mortality, (3) a higher late mortality, and (4) a target lesion revascularization similar to younger patients.

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