随机对照试验：多普勒引导、触诊引导与超声引导下桡动脉置管的比较。
A randomised controlled trial of radial artery cannulation guided by Doppler vs. palpation vs. ultrasound.
机构信息
Department of Anesthesia, The University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, Iowa, USA.
Anesthesia Associates of Great Falls, Great Falls, Montana, USA.
出版信息
Anaesthesia. 2015 Sep;70(9):1039-44. doi: 10.1111/anae.13062. Epub 2015 Apr 8.
We randomly allocated 749 participants to radial artery cannulation by anaesthetic trainees, guided by Doppler (244), palpation (256) or ultrasound (249). Ultrasound increased the rate of cannulation at the first attempt by 14% (95% CI 5-22%), from 39% with Doppler or palpation, p = 0.002 for both. There were no differences in the rates of cannulation 5 min after the procedure started: 147/244 (60%) with Doppler; 160/256 (63%) with palpation; and 171/249 (69%) with ultrasound, p = 0.13.
我们将 749 名参与者随机分配给麻醉学员进行桡动脉插管，通过多普勒（244 名）、触诊（256 名）或超声（249 名）引导。与多普勒或触诊引导相比，超声引导首次尝试插管的成功率提高了 14%（95%CI5-22%），p 值均为 0.002。在操作开始后 5 分钟，插管成功率没有差异：多普勒引导组 244 名中有 147 名（60%）；触诊引导组 256 名中有 160 名（63%）；超声引导组 249 名中有 171 名（69%），p 值为 0.13。
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