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[The long-term clinical results of the implanting of intracoronary stents in current practice].

INTRODUCTION
Published Stress and Benestent studies, obtained in selected populations under technical conditions that do not reflect present practice with intercoronary stenting showed a clinical benefit of coronary stenting.


OBJECTIVE
To assess clinical longterm outcome of coronary stenting in current practice and to compare coronary lesions with and without Stress/Benestent criteria.


METHODS
216 consecutive patients with successful placement of 279 stents in 256 lesions and no major in-hospital events. Mean clinical follow-up was 16.7 +/- 10.4 months. Standard technique included seven types, high pressure balloon inflation (15.6 +/- 2.2 atm) and post-stenting treatment of four weeks with aspirin and ticlopidine.


RESULTS
Cumulative rates of target lesion revascularization were 9.7% at 6 months, 13.5% at 12 months and 15.1% at 18, 24 and 36 months. Cumulative rates of combined clinical end-point (death, myocardial infarction and target lesion revascularization) were 11.3%, at 6 months, 13.9% at 1 year, 19.3% at 2 years and 21.1% at 3 years. No Stress/Benestent lesions were 193; 75%, and had a higher incidence of target lesion revascularization (17.9 vs 7.5%, Log Rank = 0.015) and combined clinical end-point (22.4 vs 10%, Log Rank = 0.025), than Stress/Benestent lesions.


CONCLUSION
Coronary stenting of no Stress/Benestent lesions have a less favourable clinical longterm outcome. However, clinical outcome in a nonselected population at the present time is similar to the old Stress/Benestent studies, probably because of technical improvements.