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To compare the clinical outcomes between China made sirolimus-eluting stents (SES) and bare metal stents (BMS) implantation in patients with acute myocardial infarction (AMI).
Consecutive patients with AMI underwent primary percutaneous coronary intervention (PCI) were randomly divided into SES group (n = 87) and BMS group (n = 86). The incidence of major adverse cardiac events (MACE including death, reinfarction, in-stent thrombosis, restenosis rate, target vessel revascularization) up to 6 months post PCI were assessed.
Postprocedure vessel patency, enzymatic release, cardiac function, and the incidence of short-term MACE were similar between the two groups (all P > 0.05). Two in-stent thrombosis was diagnosed in the SES group and bare stents group respectively (2.4% vs. 2.3%, P > 0.05). At 6 months, In-stent restenosis rate (4.5% vs. 40.0%, P < 0.01) and the in-segment restenosis rate (6.8% vs. 44.9%, P < 0.01) as well as MACE (8.0% vs. 24.4%, P < 0.01), which is mainly due to a marked reduction in the ris