Anaesthetic drugs & techniques
Comparison of an Ultrasound-Guided Dynamic Needle Tip Positioning Technique and a Long-Axis In-Plane Technique for Radial Artery Cannulation in Older Patients: A Prospective, Randomized, Controlled Study
Primary result · First-attempt success rateResult — go to the resultRR for first-attempt success 1.74 95% CI 1.37–2.22Authors' conclusion
The DNTP technique has better efficiency and safety than the LAIP technique for radial artery catheterization in the older population.
Study context
- Population
- Patients aged 75 years or older undergoing GA requiring arterial catheter placement
- Participants
- 160 patients
- Comparison
- Dynamic needle tip positioning (DNTP) vs long-axis in-plane (LAIP)
- Primary endpoint
- Success rate of the first attempt
Methodological detailsprospective, single-centre
- Prospective
- Single-centre
Primary result
First-attempt success rate
RR for first-attempt success
1.74
95% CI 1.37–2.22
P < 0.001
By group
DNTP vs LAIP
RR for first-attempt success 1.74 (95% CI 1.37–2.22); P < 0.001
As reported in the abstract
Further findings
| Outcome | DNTP | LAIP | RR for overall success (95% CI) | P value | |
|---|---|---|---|---|---|
| Overall success rate | 97.5% | 86.3% | 1.13 (1.03–1.24) | P = 0.01 | |
| 0.512RR for overall success (log scale) |
Cannulation time · decreased in DNTP
P < 0.001
Redirections and attempts
- Fewer redirections in DNTP
- P < 0.001
- Fewer attempts in DNTP
- P < 0.001
Safety
| Outcome | DNTP | LAIP | RR (95% CI) | P value | |
|---|---|---|---|---|---|
| Hematoma | 7.5% | 18.8% | 0.40 (0.16–0.98) | P = 0.035 | |
| 0.10.31310Relative risk (log scale) |
Original publication
Comparison of an Ultrasound-Guided Dynamic Needle Tip Positioning Technique and a Long-Axis In-Plane Technique for Radial Artery Cannulation in Older Patients: A Prospective, Randomized, Controlled Study. J Cardiothorac Vasc Anesth. Published 25 August 2023. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →