Article of the Month – February 2020

Acoustic Shadowing Facilitates Ultrasound-guided Radial Artery Cannulation in Young Children

URL: https://anesthesiology.pubs.asahq.org/article.aspx?articleid=2751458

DOI: 10.1097/ALN.0000000000002948

Published: Anesthesiology 11 2019, Vol.131, 1018-1024

Authors: ZheFeng Quan, M.D.; Liang Zhang, M.D.; Chen Zhou, M.D.; Ping Chi, M.D.; HaiLi He, M.M.; Ying Li, M.M.

Article Description:

This is a randomized clinical trial testing a new ultrasound-guided technique using focused acoustic shadowing on facilitating arterial cannulation in infants and small children.

Summary:

  • Arterial cannulation in infants and small children is a real challenge.
  • Ultrasound guidance helped arterial localization and cannulation, but the success is still operator dependent.
  • The authors in the present research studied using a focused acoustic shadowing technique on the success rate of radial artery cannulation in this population.
  • The primary outcome, the success at the first attempt, was significantly higher with the new technique than in the conventional ultrasound (US) technique (difference: 30% [95% CI, 12 to 48%], P = 0.002).
  • The US location time and the puncture time were both lower in the US acoustic shadowing group.
  • Authors presented a new promising ultrasound guided technique that facilitates arterial cannulation in infants and young children.

Check this interesting study and look for the results: would this be a plus or change your practice? 

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