Dynamic needle tip positioning versus the angle-distance technique for ultrasound-guided radial artery cannulation in ad
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RESEARCH ARTICLE
Open Access
Dynamic needle tip positioning versus the angle-distance technique for ultrasoundguided radial artery cannulation in adults: a randomized controlled trial Bing Bai1†, Yuan Tian1†, Yuelun Zhang2, Chunhua Yu1*
and Yuguang Huang1
Abstract Background: Ultrasound guidance can increase the success rate and reduce the incidence of complications of arterial cannulation. There are few studies on the utility of the dynamic needle tip positioning (DNTP) technique versus the angle-distance (AD) technique for ultrasound-guided radial arterial cannulation in adult surgical patients. We assessed and compared the success rates and incidences of complications of these two short-axis out-of-plane techniques. Methods: A total of 131 adult surgical patients were randomized into DNTP and AD groups to undergo ultrasound-guided radial artery cannulation. The primary outcome was first-pass success without posterior wall puncture. The secondary outcomes included the first-pass success rate, 10-min overall success rate, cannulation time, posterior wall puncture, and the number of skin punctures. Results: The first-pass success rates without posterior wall puncture were 53.8% in the DNTP group and 44.6% in the AD group (RR = 1.22, 95% CI: 0.86–1.72; P = 0.26). The cannulation time was significantly longer (P = 0.01) in the DNTP group [79.65 (54.3–109.4) seconds] than in the AD group [47.6 (24.9–103.8) seconds]. The posterior wall puncture rate was significantly lower (P = 0.002) in the DNTP group (29.2%) than in the AD group (56.1%; RR = 0.56, 95% CI: 0.42–0.82). Conclusions: There were no significant differences in the first-pass success rate, with or without arterial posterior wall puncture, or in the 10-min overall success rate between the DNTP and AD groups. However, the cannulation time was longer and the posterior wall puncture rate was lower in the DNTP group. Trial registration: The trial was registered at www.clinicaltrials.gov (No: NCT03656978). Registered 4 September 2018. Keywords: Catheterization, Radial artery, Ultrasonography
* Correspondence: [email protected] † Bing Bai and Yuan Tian contributed equally to this work. 1 Department of Anaesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permi
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