Ultrasound-guided external oblique intercostal plane block versus subcostal transversus abdominis plane block for postoperative analgesia in living liver donors: A prospective randomized trial
Authors' conclusion
The results of the study showed that there were no statistically significant differences in 24-h morphine consumption or pain scores at rest and during movement between the subcostal TAP and EOI block groups in living liver donors undergoing right hepatectomy.
Study context
- Population
- Living liver donors undergoing right hepatectomy; postoperative IV morphine patient-controlled analgesia (PCA)
- Comparison
- EOI block vs subcostal transversus abdominis plane (TAP) block
- Primary endpoint
- IV morphine consumption
- Follow-up
- First 24 h postoperatively
Methodological detailsprospective
- Prospective
Primary result
As reported in the abstract
Morphine consumption · 24 h postoperatively
EOI block
23.5
median · IQR 19.5–27.5
Subcostal TAP block
26
median · IQR 24–28
Further findings
Numerical rating scale (NRS) scores at rest and during movement · 2, 6, 12 and 24 h
- No significant differences between groups
Safety
- No block-related complications in any patient
Original publication
Ultrasound-guided external oblique intercostal plane block versus subcostal transversus abdominis plane block for postoperative analgesia in living liver donors: A prospective randomized trial. J Clin Anesth. Published 19 August 2025. doi:10.
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