• Anaesthesia · Sep 2015

    Randomized Controlled Trial

    A randomised controlled trial of radial artery cannulation guided by Doppler vs palpation vs ultrasound.

    • K Ueda, E O Bayman, C Johnson, N J Odum, and J Jy Lee.
    • Department of Anesthesia, The University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, Iowa, USA.
    • Anaesthesia. 2015 Sep 1;70(9):1039-44.

    AbstractWe 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.© 2015 The Association of Anaesthetists of Great Britain and Ireland.

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