A comparison of the continuous supraclavicular brachial plexus block using the proximal longitudinal oblique approach and the interscalene brachial plexus block for arthroscopic shoulder surgery: A randomised, controlled, double-blind trial
Authors' conclusion
For major shoulder surgery, compared with continuous ISB, continuous PLO-SCB was more sparing of diaphragmatic and respiratory function while providing noninferior analgesia.
Study context
- Population
- Patients aged 20 to 80 years scheduled for arthroscopic shoulder surgery76 patients enrolled
- Participants
- 40 vs 40
- Comparison
- Continuous PLO-SCB vs continuous ISB
- PLO-SCBn = 40
- ISBn = 40reference
- Primary endpoint
- Incidence of hemidiaphragmatic paresis (HDP) and pain scores
Methodological detailsprospective, double-blind, non-inferiority (analgesia)
- Prospective
- Double-blind
- Non-inferiority (analgesia)
Primary result
As reported in the abstract
HDP incidence · 30 min after block injection
P < 0.001
Secondary outcomes
HDP incidence · 24 h after surgery
P = 0.002
Median
| Outcome | PLO-SCB | ISB | P value |
|---|---|---|---|
| NRS pain score at rest · immediately after surgerySimilar | 1 (IQR 0–1) | 1 (IQR 0–2) | P = 0.06 |
| NRS pain score at rest · 30 minSimilar | 1 (IQR 0–2) | 2 (IQR 0.25–2) | P = 0.065 |
| NRS pain score at rest · 24 hSimilar | 1 (IQR 0–3) | 2 (IQR 0.25–3) | P = 0.47 |
Original publication
A comparison of the continuous supraclavicular brachial plexus block using the proximal longitudinal oblique approach and the interscalene brachial plexus block for arthroscopic shoulder surgery: A randomised, controlled, double-blind trial. Eur J Anaesthesiol. Published 14 December 2023. doi:10.
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