Pediatric anesthesia & critical care
Long-axis in-plane combined with short-axis out-of-plane technique in ultrasound-guided arterial catheterization in infants: A randomized controlled trial
Primary result · First-time success rateResult — go to the resultRR for first-time success 2.08 95% CI 1.29–3.34Authors' conclusion
The ultrasound-guided LAX-IP combined with SAX-OOP technique for radial arterial catheterization in infants, which was performed by anesthesia residents, exhibited an increased first-time success rate, reduced cannulation time, and lower incidence of complications than the MDNTP technique.
Study context
- Population
- Infants aged 1–12 months undergoing mainly thoracic or cardiac surgery, Children's Hospital of Chongqing Medical University, July 2021–March 2022
- Participants
- 72 infants
- Comparison
- Long-axis in-plane (LAX-IP) combined with short-axis out-of-plane (SAX-OOP) vs modified dynamic needle tip positioning (MDNTP)
- Primary endpoint
- First-time success rate
Methodological detailssingle-centre, Catheterization performed by anesthesia residents
- Single-centre
- Catheterization performed by anesthesia residents
Primary result
As reported in the abstract
RR for first-time success
2.08
95% CI 1.29–3.34
P = 0.001
Events by treatment group
LAX-IP combined with SAX-OOP vs MDNTP
RR for first-time success 2.08 (95% CI 1.29–3.34); P = 0.001
Secondary outcomes
| Outcome | LAX-IP combined with SAX-OOP | MDNTP | RR for total success (95% CI) | P value | |
|---|---|---|---|---|---|
| Total success rate | 97.2% | 91.7% | 1.06 (0.95–1.19) | P = 0.303 | |
| 0.512RR for total success (log scale) |
| Outcome | LAX-IP combined with SAX-OOP | MDNTP | Median difference (s) (95% CI) | P value | |
|---|---|---|---|---|---|
| Cannulation time | 91.39 ± 102.60 s | 181.00 ± 146.72 s | −89.61 (−149.12 to −30.10) | P = 0.047 | |
| −200−1000100Difference, s (linear scale) |
Puncture attempts
Median difference −0.81 · P = 0.133
Safety
| Outcome | LAX-IP combined with SAX-OOP | MDNTP | RR (95% CI) | P value | |
|---|---|---|---|---|---|
| Local hematoma · first day | 2.8% | 25% | 0.11 (0.01–0.83) | P = 0.006 | |
| 0.050.21520Relative risk (log scale) |
Thrombosis
- No thrombosis in any group
Original publication
Long-axis in-plane combined with short-axis out-of-plane technique in ultrasound-guided arterial catheterization in infants: A randomized controlled trial. J Clin Anesth. Published 3 January 2023. doi:10.
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