eISSN: 1896-9151
ISSN: 1734-1922
Archives of Medical Science
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vol. 9

Clinical research
Efficacy and safety of a biodegradable polymer sirolimus-eluting stent in primary percutaneous coronary intervention: a randomized controlled trial

Qiang Li
Zichuan Tong
Lefeng Wang
Jianjun Zhang
Yonggui Ge
Hongshi Wang
Weiming Li
Li Xu
Zhuhua Ni
Xinchun Yang

Arch Med Sci 2013; 9, 6: 1040–1048
Online publish date: 2013/12/26
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Introduction: With long-term follow-up, whether biodegradable polymer drug-eluting stents (DES) is efficient and safe in primary percutaneous coronary intervention (PCI) remains a controversial issue. This study aims to assess the long-term efficacy and safety of DES in PCI for ST-segment elevation myocardial infarction (STEMI).

Material and methods: A prospective, randomized single-blind study with 3-year follow-up was performed to compare biodegradable polymer DES with durable polymer DES in 332 STEMI patients treated with primary PCI. The primary end point was major adverse cardiac events (MACE) at 3 years after the procedure, defined as the composite of cardiac death, recurrent infarction, and target vessel revascularization. The secondary end points included in-segment late luminal loss (LLL) and binary restenosis at 9 months and cumulative stent thrombosis (ST) event rates up to 3 years.

Results: The rate of the primary end points and the secondary end points including major adverse cardiac events, in-segment late luminal loss, binary restenosis, and cumulative thrombotic event rates were comparable between biodegradable polymer DES and durable polymer DES in these 332 STEMI patients treated with primary PCI at 3 years.

Conclusions: Biodegradable polymer DES has similar efficacy and safety profiles at 3 years compared with durable polymer DES in STEMI patients treated with primary PCI.

biodegradable polymer drug-eluting stents, percutaneous coronary intervention

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