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Modified Long-Axis In-plane Technique for Radial Artery Cannulation in Children: A Randomized Controlled Trial.

Liu Yu1, Heying Zhong2, Yan Jiang3

  • 1Department of Anesthesiology, Women and Children's Hospital of Jiaxing University, Jiaxing, China.

Frontiers in Medicine
|February 25, 2022
PubMed
Summary
This summary is machine-generated.

The modified long-axis in-plane (MLAX-IP) technique improved first-attempt success for pediatric radial artery catheterization. This method offers higher success rates without increasing overall catheterization time, making it a valuable tool for pediatric anesthesia.

Keywords:
cannulationchildrenradial arterysuccess rateultrasound

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Area of Science:

  • Pediatric Anesthesiology
  • Vascular Access Procedures
  • Ultrasound-Guided Techniques

Background:

  • Radial artery catheterization presents challenges in pediatric patients.
  • Effective techniques are crucial for successful arterial access in children.

Purpose of the Study:

  • To evaluate if the modified long-axis in-plane (MLAX-IP) technique enhances the success rate of radial artery catheterization in pediatric patients.
  • To compare the MLAX-IP technique with the dynamic needle tip positioning (DNTP) technique.

Main Methods:

  • A randomized study involving 80 pediatric patients requiring arterial catheterization.
  • Patients were divided into two groups: MLAX-IP technique (40 cases) and DNTP technique (40 cases).
  • Radial artery catheterization was performed using the assigned ultrasound-guided technique.

Main Results:

  • The MLAX-IP group demonstrated a significantly higher first-attempt cannulation success rate (95%) compared to the DNTP group (80%, P = 0.043).
  • Imaging time was longer in the MLAX-IP group (19.1 ± 3.1 s) versus the DNTP group (9.6 ± 2.4 s, P < 0.001).
  • Total catheterization time was comparable between both groups (88.1 ± 23 s vs. 86.9 ± 46.1 s, P = 0.475).

Conclusions:

  • The MLAX-IP technique significantly increases the first-attempt success rate for pediatric radial artery catheterization.
  • This technique achieves higher success without prolonging total catheterization time.
  • The MLAX-IP technique is associated with fewer puncture-related complications.