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논문 기본 정보

자료유형
학술저널
저자정보
원기범 (계명대학교) 남창욱 (계명대학교) 조윤경 (계명대학교) 윤혁준 (계명대학교) 박형섭 (계명대학교) 김형섭 (계명대학교) 한성욱 (계명대학교) 허승호 (계명대학교) 김윤년 (계명대학교) 박상현 (을지대학교) 한정규 (서울대학교) 구본권 (서울대학교) 김효수 (서울대학교) 도준형 (인제대학교) 이성윤 (인제대학교) 양형모 (아주대학교) 임홍석 (아주대학교) 윤명호 (아주대학교) 탁승제 (아주대학교) 김권배 (계명대학교)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.31 No.12
발행연도
2016.1
수록면
1,929 - 1,936 (8page)

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초록· 키워드

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Data on the clinical outcomes in deferred coronary lesions according to functional severity have been limited. This study evaluated the clinical outcomes of deferred lesions according to fractional flow reserve (FFR) grade using Korean FFR registry data. Among 1,294 patients and 1,628 lesions in Korean FFR registry, 665 patients with 781 deferred lesions were included in this study. All participants were consecutively categorized into 4 groups according to FFR; group 1: ≥ 0.96 (n = 56), group 2: 0.86–0.95 (n = 330), group 3: 0.81–0.85 (n = 170), and group 4: ≤ 0.80 (n = 99). Primary endpoint was major adverse cardiac events (MACE), a composite of all-cause death, myocardial infarction, and target vessel revascularization. The median follow-up period was 2.1 years. During follow-up, the incidence of MACE in groups 1–4 was 1.8%, 7.6%, 8.8%, and 13.1%, respectively. Compared to group 1, the cumulative rate by Kaplan-Meier analysis of MACE was not different for groups 2 and 3. However, group 4 had higher cumulative rate of MACE compared to group 1 (log-rank P = 0.013). In the multivariate Cox hazard models, only FFR (hazard ratio [HR], 0.95; P = 0.005) was independently associated with MACE among all participants. In contrast, previous history of percutaneous coronary intervention (HR, 2.37; P = 0.023) and diagnosis of acute coronary syndrome (ACS) (HR, 2.35; P = 0.015), but not FFR, were independent predictors for MACE in subjects with non-ischemic (FFR ≥ 0.81) deferred coronary lesions. Compared to subjects with ischemic deferred lesions, clinical outcomes in subjects with non-ischemic deferred lesions according to functional severity are favorable. However, longer-term follow-up may be necessary.

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