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Usefulness of intravascular ultrasound to predict outcomes in short-length lesions treated with drug-eluting stents

Title
Usefulness of intravascular ultrasound to predict outcomes in short-length lesions treated with drug-eluting stents
Authors
Young-Won Yoon;Sanghoon Shin;Myeong-Ki Hong;Yangsoo Jang;Hyuckmoon Kwon;Dong-Woon Jeon;Donghoon Choi;Young-Guk Ko;Dong-Ho Shin;Jung-Sun Kim;Byeong-Keuk Kim
Issue Date
2013
Journal Title
American Journal of Cardiology
ISSN
0002-9149
Citation
American Journal of Cardiology, Vol.112(5) : 642~646, 2013
Abstract
Intravascular ultrasound (IVUS) offers tomographic images of the coronary artery, helping physicians to refine drug-eluting stent (DES) implantation in angiographically complex lesions. However, controversy exists regarding whether the routine use of IVUS in short-length lesions leads to improved clinical outcomes after DES implantation. Therefore, we evaluated the usefulness of IVUS in predicting major adverse cardiac events (MACE), including cardiovascular death, myocardial infarction, or target vessel revascularization, at 1 year after DES implantation in short-length lesions. The present study was a subanalysis of the REal Safety and Efficacy of a 3-month dual antiplatelet Therapy following Endeavor zotarolimus-eluting stent implantation (RESET) study with different clinical outcome parameters. The study population consisted of 662 patients with IVUS guidance and 912 patients with angiography guidance who underwent DES implantation (stent length ≤24 mm). In the IVUS-guided group, adjuvant postdilation was more frequently performed (43.0% vs 34.6%, p <0.001), and the postintervention minimal lumen diameters were greater (2.88 ± 0.44 mm vs 2.72 ± 0.43 mm, p <0.001). MACE occurred in 15 IVUS-guided (2.3%) and 19 angiographically guided (2.1%) patients (p = 0.872). In a subset of patients with diabetes mellitus (n = 292), the MACE rate was 3.4% (n = 4) and 1.7% (n = 3) in the IVUS- and angiographically guided patients, respectively (p = 0.384). The MACE rate in the IVUS- and angiographically guided patients with acute coronary syndrome (n = 601) was 1.1% (n = 3) and 2.7% (n = 9), respectively (p = 0.194). The clinical benefits of IVUS-guided DES implantation compared with angiographically guided DES implantation in short-length lesions could not be confirmed even in patients with clinically high-risk presentations (acute coronary syndrome and diabetes mellitus). In conclusion, routine IVUS guidance does not provide clinical benefits when performing short-length DES implantation
URI
http://www.sciencedirect.com/science/article/pii/S0002914913010540

http://ir.ymlib.yonsei.ac.kr/handle/22282913/87368
DOI
10.1016/j.amjcard.2013.04.037
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
Yonsei Authors
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