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


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.
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Qiang
Q
Li
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Zichuan
Z
Tong
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Lefeng
L
Wang
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Jianjun
J
Zhang
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Yonggui
Y
Ge
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Hongshi
H
Wang
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Weiming
W
Li
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Li
L
Xu
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Zhuhua
Z
Ni
Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Xinchun
X
Yang
biodegradable polymer drug-eluting stents; percutaneous coronary intervention