Comparison of the Analgesic Efficacy between Arthroscopically Placed Continuous Suprascapular Nerve Block and Ultrasound-guided Continuous Superior Trunk Block: A Double-blinded Randomized Controlled Trial
Authors' conclusion
Continuous suprascapular nerve block provides statistically inferior analgesia compared to the continuous superior trunk block; however, the continuous suprascapular nerve block had a minimal effect on the phrenic nerve function.
Study context
- Population
- Patients undergoing arthroscopic shoulder surgery98 analysed
- Participants
- 100 patients
- Comparison
- Continuous suprascapular nerve block vs continuous superior trunk block
- Primary endpoint
- Postoperative pain score
- Follow-up
- Postoperative 24 h
Methodological detailsdouble-blinded, non-inferiority, December 2020 to October 2021
- Double-blinded
- Non-inferiority
- December 2020 to October 2021
Primary result
As reported in the abstract
Continuous suprascapular nerve block vs Continuous superior trunk blockMean difference (95% CI)
Worst pain score
0.9(0.1–1.7)
Resting pain score
0.5(0.0–1.0)
Non-inferiority margin 1 as printed, not drawn
Safety
Hemidiaphragmatic paresis · postoperative 24 h
- Significantly lower incidence with continuous suprascapular nerve block vs continuous superior trunk block
Original publication
Comparison of the Analgesic Efficacy between Arthroscopically Placed Continuous Suprascapular Nerve Block and Ultrasound-guided Continuous Superior Trunk Block: A Double-blinded Randomized Controlled Trial. Anesthesiology. Published 14 July 2023. doi:10.
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