Vol 28, No 6 (2021)
Original Article
Published online: 2020-07-21

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Assessment of the conventional radial artery with optical coherent tomography after the snuffbox approach

Yongcheol Kim12, Sang Yeub Lee34, Dae In Lee3, Ju-Hee Lee3, Sang Min Kim3, Jang-Whan Bae34, Kyung-Kuk Hwang34, Dong-Woon Kim34, Myeong-Chan Cho34, Myung Ho Jeong2
Pubmed: 32710794
Cardiol J 2021;28(6):849-854.

Abstract

Background: This study aimed to evaluate acute injuries of the radial artery (RA) using optical coherence tomography (OCT) in patients who underwent coronary intervention via the snuffbox approach.
Methods: Forty-six patients, who underwent coronary intervention and assessment of the conventional RA using OCT via the snuffbox approach, were enrolled from two university hospitals between August 2018 and August 2019.
Results: The mean age of the patients was 65.1 years. In this study population, 6-French (Fr) sheaths were used. The mean diameter of the conventional RA was 2.89 ± 0.33 mm, and the mean lumen area of the conventional RA was 6.68 ± 1.56 mm2. Acute injuries of the conventional RA, after the snuffbox approach, were observed in 5 (10.9%) patients. Intimal tear was observed in the RA in 1 (2.2%) case. Intraluminal thrombi, without vessel injuries, were detected in the RA in 4 (8.7%) cases. However, medial dissection was not observed in the OCT analysis.
Conclusions: This retrospective OCT-based study showed that the diameter of the conventional RA was 2.89 mm and acute vessel injury of the conventional RA was rare in patients who underwent coronary intervention via the snuffbox approach.

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