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The learning curve of the distal radial access for coronary intervention

 Ji Woong Roh  ;  Yongcheol Kim  ;  Oh-Hyun Lee  ;  Eui Im  ;  Deok-Kyu Cho  ;  Donghoon Choi  ;  Myung Ho Jeong 
 SCIENTIFIC REPORTS, Vol.11(1) : 13217, 2021-06 
Journal Title
Issue Date
Recently, coronary angiography (CAG) and percutaneous coronary intervention (PCI) via the distal radial access (DRA), are gaining attention owing to fewer complications. Despite the advantages of the DRA, there is difficulty to initiate this new vascular approach. The data from 1000 patients who underwent CAG and PCI via the DRA by a single experienced radial operator were retrospectively analyzed. The primary outcome was the success rate of the DRA per 100 cases. Moreover, the predictors of the failed DRA were analyzed. Overall, 952 (95.2%) of the total 1,000 patients underwent a successful DRA. After experiencing 200 cases, the DRA success rate was well maintained at > 94%, and there was no difference in success rate per 100 cases (Ptrend = 0.216). The predictors of failure were female sex [odds ratio (OR) 1.84, 95% confidence interval (CI) 1.01-3.39, P = 0.049] and systolic blood pressure (SBP) of < 120 mmHg (OR 1.87, 95% CI 1.04-3.36, P = 0.036). For achieving a stable DRA with the success rate of > 94%, 200 procedures would be needed. Moreover, this new approach could fail in women and patients with low SBP.Trial registration: https://cris.nih.go.kr/cris/index/index.do (Unique identifier: KCT0005349).
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Yongcheol(김용철) ORCID logo https://orcid.org/0000-0001-5568-4161
Roh, Ji Woong(노지웅)
Lee, Oh Hyun(이오현) ORCID logo https://orcid.org/0000-0001-7070-7720
Im, Eui(임의) ORCID logo https://orcid.org/0000-0002-5333-7593
Cho, Deok Kyu(조덕규)
Choi, Dong Hoon(최동훈) ORCID logo https://orcid.org/0000-0002-2009-9760
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