Vol 28, No 1 (2021)
Original Article
Published online: 2019-08-27

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Comparison of long-term radial artery occlusion following trans-radial coronary intervention using 6-french versus 7-french sheaths

Yanming Fan1, Qingmin Wei1, Junna Cai1, Yanbo Wang2, Xianghua Fu2
Pubmed: 31478556
Cardiol J 2021;28(1):49-57.

Abstract

Background: The aim of this study was to explore the impact of 6-Fr and 7-Fr sheaths on the incidence
of long-term radial artery occlusion (RAO) after trans-radial coronary intervention (TRI).

Methods: From September 2013 to January 2016, patients with ischemic heart disease including
acute myocardial infarction and true bifurcation lesions were randomly assigned to 6-Fr group and
7-Fr group immediately after coronary angiography in a 1:1 ratio. The radial artery diameters were
observed by ultrasound examination one day prior to TRI as well as at 30 days and 1 year after TRI.
The primary endpoint was the incidence of RAO at 1-year after TRI. The secondary endpoints were the
incidence of local vascular complications during hospitalization and changes of radial artery diameters
within 1-year after TRI between the two groups. Additionally, multivariate logistic regression analysis
was used to explore potential factors related to the incidence of long-term RAO after TRI.

Results: A total of 214 patients were enrolled and randomly assigned to 6-Fr group (n = 105) or
7-Fr group (n = 109). There was no significant difference in the incidence of RAO at 1-year after TRI
(8.57% vs. 12.84%, p = 0.313). Moreover, no significant difference was observed in the incidence of local
vascular complications during hospitalization (20% vs. 24.77%, p = 0.403). After 1-year follow-up,
no significant difference was found in radial artery diameters (2.63 ± 0.31 mm vs. 2.64 ± 0.27 mm,
p = 0.802). Multivariate logistic analysis revealed that repeated TRI was an independent risk factor of
long-term RAO 1 year after TRI (OR = 10.316, 95% CI 2.928–36.351, p = 0.001).

Conclusions: Compared to 6-Fr sheath, 7-Fr sheath did not increase short-term or long-term incidence
of RAO after TRI.

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