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The early and late results of percutaneous transluminal coronary angioplasty in elderly patients are well known, but although stent implantation has become the most frequent percutaneous coronary intervention in many centers, little information exists about its long-term outcome in elderly patients. The aim of this study was to evaluate the long-term clinical and angiographic follow-up results of intracoronary stenting in a study cohort of 120 patients (92 male) over 65 years of age, who underwent successful coronary stenting between June 1995 and December 1997. The target coronary artery was 48% left anterior descending, 21% circumflex and 31% right coronary artery. Stent implantation was elective in 54%, suboptimal in 32% and bailout in 14% of the patients. Long-term (34+/-14 months) clinical and angiographic follow-up was completed in 78% and 56% of the patients, respectively. The following end-points were considered: death, non-fatal myocardial infarction (MI), target and non-target lesion revascularization. Angiographic restenosis was detected in 31% of the patients. During the long-term follow-up period, 14% of the patients died and 11% developed a new MI. Target lesion revascularization was done in 19.4%, non-target lesion revascularization was done in 21%, and the survival rate was 86%. Although the restenosis rates did not deviate greatly from the expected long-term figures in younger populations, they do indicate that the potential for major cardiac events is still high among elderly subjects, in spite of developments in stent technology and medication.

Long-Term (3-5 Years) Clinical and Angiographic Follow-up Results of Coronary Stenting in Elderly Patients.