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Fractional Flow Reserve Versus Angiography in Left Circumflex Ostial Intervention After Left Main Crossover Stenting

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Author(s)
Chang-Wook NamSeung-Ho HurBon-Kwon KooJoon Hyung DohYun-Kyeong ChoHyoung-Seob ParkHyuck-Jun YoonHyungseop KimIn-Sung ChungYoon-Nyun KimWilliam F. FearonSeung-Jae TahkKwon-Bae Kim
Keimyung Author(s)
Nam, Chang WookHur, Seung HoCho, Yun KyeongPark, Hyoung SeobYoon, Hyuck JunKim, Hyung SeopKim, Yoon NyunKim, Kwon BaeChung, In Sung
Department
Dept. of Internal Medicine (내과학)
Dept. of Preventive Medicine (예방의학)
Journal Title
Korean Circulation Journal
Issued Date
2011
Volume
41
Issue
6
Keyword
Coronary diseasePhysiologyStentsAngiography
Abstract
Background and Objectives: Discrepancy between angiographic percent (%) diameter stenosis and fractional flow reserve (FFR) exists in non-left main bifurcation lesions. The aim of this study was to compare angiographic stenosis severity and FFR in jailed ostial left circumflex artery (LCX) lesions after left main (LM)-to-left anterior descending artery (LAD) crossover stenting. Subjects and Methods: Twenty-nine (n=29) patients with distal LM or ostial LAD lesions treated by LM-to-LAD crossover stenting were consecutively enrolled. After successful stenting, FFR was measured at the jailed LCX. Additional intervention was performed in lesions with FFR <0.8. Results: The mean reference diameter of LCX was 3.1±0.4 mm, and percent diameter stenosis after crossover stenting was 56±21%. Angiographically significant stenosis (>50%) at the ostial LCX occurred in 59% (17/29) of cases. Among them, only five (29%) lesions had functional significance, and underwent additional procedure. During follow-up, three patients in the deferral group and two patients in the additional intervention group had target lesion revascularization.
Conclusion: There was a discrepancy between angiographic percent diameter stenosis and FFR in jailed LCX lesions after LM crossover stenting.
Keimyung Author(s)(Kor)
남창욱
허승호
조윤경
박형섭
윤혁준
김형섭
김윤년
김권배
정인성
Publisher
School of Medicine
Citation
Chang-Wook Nam et al. (2011). Fractional Flow Reserve Versus Angiography in Left Circumflex Ostial Intervention After Left Main Crossover Stenting. Korean Circulation Journal, 41(6), 304–307. doi: 10.4070/kcj.2011.41.6.304
Type
Article
ISSN
1738-5520
DOI
10.4070/kcj.2011.41.6.304
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/36053
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
1. School of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학)
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