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Few studies have investigated the clinical outcomes of rotational atherectomy (RA) prior to and during the drugeluting stent (DES) era. The goal of this study was to assess the long-term outcome after RA followed by DES and bare metal stent (BMS) implantation in complex calcified coronary lesions and to compare the outcomes among various DESs.This was a single center retrospective observational study. Consecutive 406 patients who underwent elective RA followed by BMS or DES implantation at our institution from 2001 to 2011 were included. This study compared the long-term outcomes after treatment with RA among BMS and 3 different DESs (sirolimus-eluting stent, paclitaxel-eluting stent, and everolimus-eluting stent) implantation.The mean follow-up period was 4.6 years. Patients with DES were older and exhibited more vessel disease, longer lesion length, and smaller vessel size. Patients with BMS had a significantly higher rate of target lesion revascularization, restenosis, and larger late lumen loss than those with DES. Composite events including mortality, ACS, and target vessel revascularization were significantly higher in the BMS-RA group than in the DES-RA group. After adjustment, BMS remained an independent predictor of MACE and ACS plus death in patients treated with RA. However, there were no significant differences in late lumen loss, restenosis rate, and MACE among the 3 DES.The combination of DES-RA has a favorable effect in both the angiographic and clinical outcomes compared with BMS-RA. However, no significant differences in late loss and events rates were observed among the 3 DES groups.

Comparison of Clinical and Angiographic Outcomes After Bare Metal Stents and Drug-Eluting Stents Following Rotational Atherectomy