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Clinical Impact of Intravascular Ultrasound-Guided Chronic Total Occlusion Intervention With Zotarolimus-Eluting Versus Biolimus-Eluting Stent Implantation: Randomized Study

Authors
 Byeong-Keuk Kim  ;  Dong-Ho Shin  ;  Myeong-Ki Hong  ;  Hun Sik Park  ;  Seung-Woon Rha  ;  Gary S. Mintz  ;  Jung-Sun Kim  ;  Je Sang Kim  ;  Seung-Jin Lee  ;  Hee-Yeol Kim  ;  Bum-Kee Hong  ;  Woong-Chol Kang  ;  Jin-Ho Choi  ;  Yangsoo Jang 
Citation
 CIRCULATION-CARDIOVASCULAR INTERVENTIONS, Vol.8(7) : 002592, 2015 
Journal Title
 CIRCULATION-CARDIOVASCULAR INTERVENTIONS 
ISSN
 1941-7640 
Issue Date
2015
MeSH
Aged ; Anti-Bacterial Agents/administration & dosage* ; Coronary Angiography/methods ; Coronary Occlusion/mortality ; Coronary Occlusion/therapy* ; Drug-Eluting Stents* ; Female ; Humans ; Male ; Middle Aged ; Myocardial Infarction/mortality ; Myocardial Infarction/therapy ; Percutaneous Coronary Intervention/methods* ; Prospective Studies ; Random Allocation ; Sirolimus/administration & dosage ; Sirolimus/analogs & derivatives* ; Ultrasonography, Interventional/methods*
Keywords
coronary occlusion ; drug-eluting stents ; ultrasonography , interventional
Abstract
BACKGROUND: There have been no randomized studies comparing intravascular ultrasound (IVUS)-guided versus conventional angiography-guided chronic total occlusion (CTO) intervention using new-generation drug-eluting stent Therefore, we conducted a prospective, randomized, multicenter trial designed to test the hypothesis that IVUS-guided CTO intervention is superior to angiography-guided intervention. METHODS AND RESULTS: After successful guidewire crossing, 402 patients with CTOs were randomized to the IVUS-guided group (n=201) or the angiography-guided group (n=201) and secondarily randomized to Resolute zotarolimus-eluting stents or Nobori biolimus-eluting stents. The primary and secondary end points were cardiac death and a major adverse cardiac event defined as the composite of cardiac death, myocardial infarction, or target-vessel revascularization, respectively. After 12-month follow-up, the rate of cardiac death was not significantly different between the IVUS-guided group (0%) and the angiography-guided group (1.0%; P by log-rank test=0.16). However, major adverse cardiac event rates were significantly lower in the IVUS-guided group than that in the angiography-guided group (2.6% versus 7.1%; P=0.035; hazard ratio, 0.35; 95% confidence interval, 0.13-0.97). Occurrence of the composite of cardiac death or myocardial infarction was significantly lower in the IVUS-guided group (0%) than in the angiography-guided group (2.0%; P=0.045). The rates of target-vessel revascularization were not significantly different between the 2 groups. In the comparison between Resolute zotarolimus-eluting stent and Nobori biolimus-eluting stent, major adverse cardiac event rates were not significantly different (4.0% versus 5.7%; P=0.45). CONCLUSIONS: Although IVUS-guided CTO intervention did not significantly reduce cardiac mortality, this randomized study demonstrated that IVUS-guided CTO intervention might improve 12-month major adverse cardiac event rate after new-generation drug-eluting stent implantation when compared with conventional angiography-guided CTO intervention.
Full Text
http://circinterventions.ahajournals.org/content/8/7/e002592.long
DOI
10.1161/CIRCINTERVENTIONS.115.002592
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Byeong Keuk(김병극) ORCID logo https://orcid.org/0000-0003-2493-066X
Kim, Jung Sun(김중선) ORCID logo https://orcid.org/0000-0003-2263-3274
Shin, Dong Ho(신동호) ORCID logo https://orcid.org/0000-0002-7874-5542
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Hong, Myeong Ki(홍명기) ORCID logo https://orcid.org/0000-0002-2090-2031
Hong, Bum Kee(홍범기) ORCID logo https://orcid.org/0000-0002-6456-0184
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/141305
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