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The Current Status of Intervention for Intermediate Coronary Stenosis in the Korean Percutaneous Coronary Intervention (K-PCI) Registry

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Author(s)
Jin-Ho KimWoonggil ChoiKi-Chang KimChang-Wook NamBum-Kee HongJune-Hong KimDoo Soo JeonJang-Whan BaeSang-Hyun KimKeon-Woong MoonByung-Ryul ChoDoo Il KimJae-Sik Jang
Keimyung Author(s)
Nam, Chang Wook
Department
Dept. of Internal Medicine (내과학)
Journal Title
Korean Circulation Journal
Issued Date
2019
Volume
49
Issue
11
Keyword
Coronary artery diseasePercutaneous coronary interventionFractional flow reservemyocardial
Abstract
Background and objectives:
Intermediate coronary lesion that can be under- or over-estimated by visual estimation frequently results in stenting of functionally nonsignificant lesions or deferral of percutaneous coronary intervention (PCI) of significant lesions inappropriately. We evaluated current status of PCI for intermediate lesions from a standardized database in Korea.

Methods:
We analyzed the Korean percutaneous coronary intervention (K-PCI) registry data which collected a standardized PCI database of the participating hospitals throughout the country from January 1, 2014, through December 31, 2014. Intermediate lesion was defined as a luminal narrowing between 50% and 70% by visual estimation and then compared whether the invasive physiologic or imaging study was performed or not.

Results:
Physiology-guided PCI for intermediate lesions was performed in 16.8% for left anterior descending artery (LAD), 9.8% for left circumflex artery (LCX), 13.2% for right coronary artery (RCA). PCI was more frequently performed using intravascular ultrasound (IVUS) than using fractional flow reserve (FFR) for coronary artery segments (27.7% vs. 13.9% for LAD, 32.9% vs. 8.1% for LCX, and 33.8% vs. 10.8% for RCA). In accordance with or without FFR, PCI for intermediate lesions was more frequently performed in the hospitals with available FFR device than without FFR, especially in left main artery (LM), proximal LAD lesion (40.9% vs. 5.9% for LM, 24.6% vs 7.6% for proximal LAD).

Conclusions:
These data provide the current PCI practice pattern with the use of FFR and IVUS in intermediate lesion. More common use of FFR for intermediate lesion should be encouraged.
Keimyung Author(s)(Kor)
남창욱
Publisher
School of Medicine (의과대학)
Citation
Jin-Ho Kim et al. (2019). The Current Status of Intervention for Intermediate Coronary Stenosis in the Korean Percutaneous Coronary Intervention (K-PCI) Registry. Korean Circulation Journal, 49(11), 1022–1032. doi: 10.4070/kcj.2019.0074
Type
Article
ISSN
1738-5555
Source
https://www.e-kcj.org/search.php?where=aview&id=10.4070/kcj.2019.0074&code=0054KCJ&vmode=FULL
DOI
10.4070/kcj.2019.0074
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/42458
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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