Evaluation of acute and chronic radial artery injury after transradial coronary intervention

doi:10.3969/j.issn.1006-7795.2019.03.012

Abstract

Abstract: Objective To evaluate acute and chronic effects of transradial intervention (TRI) on the radial artery (RA) with optical coherence tomography (OCT). Methods A total of 114 patients who underwent RA OCT examination after TRI during May 2017 to April 2018 were retrospectively enrolled in this study. The patients were divided into the first TRI group (n=87) and the repeat TRI group (n=27) based on whether the patients had experienced a homolateral TRI before. Immediately after TRI, the sheath was extracted 2 cm distal to the puncture site. The RA was examined with OCT and then divided into three parts:proximal, medial and distal. The acute injuries including intimal tear, dissection, perforation, thrombus and spasm as well as chronic injury like intimal hyperplasia of all segments of radial artery between the two groups were analyzed and compared.Results The incidence rate of intimal tear, dissection, perforation, thrombus and spasm was 31.6%, 14.0%, 1.8%, 26.3% and 50.0%, respectively. There was no significant difference in the incidence of acute injury between the first TRI group and the repeat TRI group (tear:28.7% vs 40.7%, P=0.680; dissection:13.8% vs 14.8%, P=0.782; perforation:2.8% vs 0.0%, P=0.965; thrombus:26.4% vs 25.9%, P=0.958; spasm:51.7% vs 44.4%, P=0.509). As compared with the first TRI group, the intimal hyperplasia indexes like percentage of luminal narrowing (LN%), intima-media ratio (IMR) and intimal thickness index (ITI) were significantly higher in the repeat TRI group (P<0.05). Conclusion There was no significant difference between the repeat TRI group and the first TRI group in the incidence of acute injury. The intimal hyperplasia of RA was significant in repeat TRI group.

Key words: radial artery, coronary intervention, optical coherence tomography

CLC Number:

R540.4

Niu Dan, Hua Qi, Liu Zijing, Yan Rui, Zhang Libin, Sun Yuhua, Wang Guozhong, Zhang Haibin, Guo Jincheng. Evaluation of acute and chronic radial artery injury after transradial coronary intervention[J]. Journal of Capital Medical University, 2019, 40(3): 383-388.

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URL: https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/10.3969/j.issn.1006-7795.2019.03.012

https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/Y2019/V40/I3/383

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