Objective Compare drug-eluting stent (DES) to bare-metal stent(BMS) in prognosis on treating diffuse coronary lesions and analysis risk factor of treating complex and diffuse lesions in PCI.

目的比较冠心病患者弥漫病变采用药物洗脱支架和金属裸支架治疗的近期和远期预后，分析影响这类病变介入治疗预后的危险因素。

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This is the shortest duration of DAPT for any major drug eluting stent (DES) in Europe.

FORBES: Xience Stents Gain European Nod For Three-Month Dual Antiplatelet Therapy