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Korean Circ J. 2015 Nov;45(6):457-468. English. Original Article.
Youn YJ , Lee JW , Ahn SG , Lee SH , Yoon J , Cho BR , Cheong SS , Kim HY , Lee JH , Bae JH , Lee JB , Suh J , Park KS , Han KR , Jeong MH , Rha SW , Her SH , Cho YH , Kim SW .
Wonju Severance Christian Hospital, Wonju, Korea.
Kangwon National University Hospital, Chuncheon, Korea.
Ulsan University Gangneung Asan Hospital, Gangneung, Korea.
Catholic University Bucheon St. Mary's Hospital, Bucheon, Korea.
Chungnam National University Hospital, Daejeon, Korea.
Konyang University Hospital, Daejeon, Korea.
Daegu Catholic University Medical Center, Daegu, Korea.
Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
Inha University Hospital, Incheon, Korea.
Hallym University Kandgong Sacred Heart Hospital, Seoul, Korea.
Chonnam National University Hospital, Gwangju, Korea.
Korea University Guro Hospital, Seoul, Korea.
Catholic University Daejeon St. Mary's Hospital, Daejeon, Korea.
Kwandong University Myongi Hospital, Goyang, Korea.
Chung-Ang University Hospital, Seoul, Korea.

BACKGROUND AND OBJECTIVES: Although increasing evidence has indicated that radial access is a beneficial technique, few studies have focused on Korean subjects. The aim of this study was to evaluate current practice of coronary angiography (CAG) and percutaneous coronary intervention (PCI) using radial access in South Korea. SUBJECTS AND METHODS: A total of 6338 subjects were analyzed from Korean Transradial Intervention prospective registry that was conducted at 20 centers in Korea. After evaluating the initial access, subjects intended for radial access were assessed for their baseline, procedure-related, and complication data. Subjects were categorized into three groups: group of overall subjects (n=5554); group of subjects who underwent PCI (n=1780); and group of subjects who underwent primary percutaneous coronary intervention (PPCI) (n=167). RESULTS: The rate of radial artery as an initial access and the rate of access site crossover was 87.6% and 4.4%, respectively, in overall subjects. Those rates were 82.4% and 8.1%, respectively, in subjects who underwent PCI, and 60.1% and 4.8%, respectively, in subjects who underwent PPCI. For subjects who underwent CAG, a 6-F introducer sheath and a 5-F angiographic catheter was the most commonly used. During PCI, a 6-F introducer sheath (90.6%) and a 6-F guiding catheter were standardly used. CONCLUSION: The large prospective registry allowed us to present the current practice of CAG and PCI using radial access. These data provides evidence to achieve consensus on radial access in CAG and PCI in the Korean population.

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