Abstract
Limited published data exist about how the introduction of drug-eluting stents (DESs) has affected the technical aspects of percutaneous coronary intervention and in-hospital patient outcomes in clinical practice. A total of 2,215 consecutive patients who underwent percutaneous coronary intervention for de novo coronary artery disease were divided into 2 cohorts: the pre-DES era (May 1, 2002 to April 30, 2003) and the DES era (May 1, 2003 to April 30, 2004). The procedural success rates (94.9% vs 96.4%, respectively; p = 0.075) and the in-hospital major adverse events (6.4% vs 5.7%, respectively; p = 0.53) were similar between the pre-DES and DES eras. The DES percentage of use increased from 49.5% in the first quarter to 84.1% in the final quarter of the first year after the introduction of this technology (p <0.0001). The results of our study have shown that despite more complex percutaneous coronary intervention procedures with tendencies for more complete lesion coverage and anatomic revascularization, the procedural success and in-hospital outcomes have been comparable since the introduction of DESs.
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