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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.
Insights
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.
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.
Background:
Radial artery catheterization is a challenge for anesthetists in the pediatric population. The purpose of this study was to determine whether the modified long-axis in-plane (MLAX-IP) technique increased the success rate of radial artery catheterization in children.
Methods:
This study involved 80 children who required arterial catheterization and were randomly divided into the MLAX-IP group and dynamic needle tip positioning (DNTP) group (40 cases in each group). Radial artery catheterization was performed using either the MLAX-IP technique or the DNTP technique.
Results:
The first-attempt cannulation success rate was higher in the MLAX-IP group than in the DNTP group (95 vs. 80%, P = 0.043). The imaging time of the artery in the MLAX-IP group was longer than in the DNTP group (19.1 ± 3.1 vs. 9.6 ± 2.4 s, P < 0.001). While the total catheterization time was similar between the 2 groups (88.1 ± 23 vs. 86.9 ± 46.1 s, P = 0.475).
Conclusion:
The first-attempt cannulation success rate with the MLAX-IP technique is increased, while the total catheterization time is similar between the 2 groups and puncture-related complications are fewer.
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