Quadratus lumborum block with or without subfascial wound catheter and post-caesarean delivery pain outcomes: a single-center retrospective cohort study (2026)
Main finding · Pain scoresResult — go to the resultAdjusted difference - 0.209 95% CI - 0.369 to −0.049Authors' conclusion
Subfascial wound catheter use was not associated with clinically meaningful additional pain or recovery benefit. Patient counselling may help address breastfeeding-related concerns.
Study context
- Population
- Women undergoing scheduled or urgent caesarean delivery from January to June 2026, all receiving bilateral posterior quadratus lumborum block and non-opioid multimodal analgesiawomen included in the retrospective cohort
- Participants
- 361 women
- Exposure
- Quadratus lumborum block with or without subfascial wound catheter
- Outcome
- Pain scores
- Follow-up
- 6 h
Methodological detailssingle-center
- Single-center
Main finding
As reported in the abstract
Adjusted difference
- 0.209
95% CI - 0.369 to −0.049
P = 0.011
Observational data: associations, not effects.
Further findings
| Outcome | Adjusted difference (95% CI) | P value | |
|---|---|---|---|
| Pain scores · 24 hLower pain scores with catheter use | −0.174 (−0.309 to −0.039) | P = 0.012 | |
| Pain scores · 48 h | −0.016 (−0.139 to 0.108) | P = 0.805 | |
| −0.4−0.200.2Difference (linear scale) |
Pain scores · 48 h
- Pain scores, 6 h and 24 h: These differences were too small to be clinically meaningful.
Mobilisation, rescue analgesia, satisfaction, and breastfeeding outcomes
- Similar between groups
Breastfeeding-related concern
- Greater with catheter use
Repeat quadratus lumborum block
- Infrequently required and did not delay return to normal activity
Original publication
Quadratus lumborum block with or without subfascial wound catheter and post-caesarean delivery pain outcomes: a single-center retrospective cohort study (2026). Int J Obstet Anesth. Published 19 October 2026. doi:10.
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