External oblique intercostal plane block improves early postoperative analgesia after open liver surgery: A randomized, double-blind, controlled trial
Authors' conclusion
Ultrasound-guided EOI plane block reduces early postoperative pain. This technique should be regarded as a safe and effective component within a comprehensive postoperative multimodal analgesia regimen.
Study context
- Population
- Patients scheduled for open liver surgerypatients scheduled for open liver surgery, randomized
- Participants
- 74 patients
- Comparison
- Block group vs control group
- Block groupn = 37
- Control groupn = 37
- Primary endpoint
- Resting numerical rating scale (NRS) pain score
- Follow-up
- 3 h postoperatively
Methodological detailsdouble-blind
- Double-blind
Primary result
As reported in the abstract
- Significantly lower in the block group than in the control group
Secondary outcomes
Length of hospital stay
- Shorter in the block group
Cumulative opioid consumption, frequency of analgesia
- No significant differences
Original publication
External oblique intercostal plane block improves early postoperative analgesia after open liver surgery: A randomized, double-blind, controlled trial. J Clin Anesth. Published 12 October 2026. doi:10.
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