• Ji Woong Roh, Yongcheol Kim, Masahiro Takahata, Yasutsugu Shiono, Hee-Yeol Kim, Myung Ho Jeong, and Takashi Akasaka.
• Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine and Cardiovascular Center, Yongin Severance Hospital, Yongin, Republic of Korea.
• Int. J. Cardiol. 2021 Sep 1; 338: 79-82.

BackgroundPercutaneous coronary intervention (PCI) via the distal radial access (DRA), called as snuffbox approach, recently has been increased worldwide due to fewer complications. Generally, since the diameter of distal radial artery is smaller than the radial artery, it is expected that the hemostasis duration can be shortened; however, there are no prospective studies. Furthermore, there is a lack of data about the feasibility of DRA for PCI.MethodsWe prospectively collected data from 250 patients who were performed PCI via the DRA by three multi-center operators between March 2019 and December 2019. The primary outcome was hemostasis duration. Secondary outcomes were success rate of PCI, cannulation time, and puncture site complications.ResultsMean age of study population was 65.1 ± 10.3 years, success rate of PCI via the DRA was 99.2% (250/252) and 91.2% (228/250) patients was performed PCI via 6-French sheath. The cannulation time was 131 ± 98 s and the average hemostasis duration was 199 ± 50 min, and the median time was 180 [180-200] min. There are few minor hematomas (8.0%) and puncture site numbness (1.6%) with no radial artery occlusion.ConclusionsHEMOBOX trial first reported hemostasis duration for PCI using the DRA, approximately 3 h, with 99.2% success rate and few minor complications.Trial Registrationhttps://clinicaltrials.gov/ct2/show/NCT03863652.Copyright © 2021 Elsevier B.V. All rights reserved.

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