Abstract:
BACKGROUND:Despite great reduction of in-stent restenosis, first-generation drug-eluting stents (DESs) have increased the risk of late stent thrombosis due to delayed endothelialization. Arsenic trioxide, a natural substance that could inhibit cell proliferation and induce cell apoptosis, seems to be a promising surrogate of sirolimus to improve DES performance. This randomized controlled trial was to evaluate the efficacy and safety of a novel arsenic trioxide-eluting stent (AES), compared with traditional sirolimus-eluting stent (SES). METHODS:Patients with symptoms of angina pectoris were enrolled and randomized to AES or SES group. The primary endpoint was target vessel failure (TVF), and the second endpoint includes rates of all-cause death, cardiac death or myocardial infarction, target lesion revascularization (TLR) by telephone visit and late luminal loss (LLL) at 9-month by angiographic follow-up. RESULTS:From July 2007 to 2009, 212 patients were enrolled and randomized 1:1 to receive either AES or SES. At 2 years of follow-up, TVF rate was similar between AES and SES group (6.67% vs. 5.83%, P = 0.980). Frequency of all-cause death was significantly lower in AES group (0 vs. 4.85%, P = 0.028). There was no significant difference between AES and SES in frequency of TLR and in-stent restenosis, but greater in-stent LLL was observed for AES group (0.29 ± 0.52 mm vs. 0.10 ± 0.25 mm, P = 0.008). CONCLUSIONS:After 2 years of follow-up, AES demonstrated comparable efficacy and safety to SES for the treatment of de novo coronary artery lesions.
journal_name
Chin Med J (Engl)journal_title
Chinese medical journalauthors
Shen L,Yang W,Yin JS,Liu XB,Wu YZ,Sun AJ,Qian JY,Ge JBdoi
10.4103/0366-6999.152490subject
Has Abstractpub_date
2015-03-20 00:00:00pages
768-73issue
6eissn
0366-6999issn
2542-5641pii
ChinMedJ_2015_128_6_768_152490journal_volume
128pub_type
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