Posterior quadratus lumborum block versus intrathecal morphine analgesia after scheduled cesarean section: a prospective, randomized, controlled study
Authors' conclusion
No difference in cumulative morphine dose at 24 hours was observed in posterior quadratus lumborum block group compared with intrathecal morphine group.
Study context
- Population
- Parturients undergoing elective cesarean section under spinal anesthesia
- Participants
- 104 participants
- Comparison
- Posterior QL block vs Intrathecal morphine
- Primary endpoint
- Patient-controlled cumulative IV morphine use
- Follow-up
- 24 hours
Methodological detailsprospective, blinded
- Prospective
- Blinded
Primary result
As reported in the abstract
Mean cumulative morphine dose
P = 0.111
Secondary outcomes
Static/dynamic pain scores
- No difference between groups, except pain at cough/movement at 6 hours in favor of the Posterior QL block group
- P = 0.013
Recovery quality (ObsQoR-11) · 24 hours
- Better recovery quality in the Posterior QL block group
- P = 0.009
Safety
Pruritus · more frequent with intrathecal morphine
Original publication
Posterior quadratus lumborum block versus intrathecal morphine analgesia after scheduled cesarean section: a prospective, randomized, controlled study. Reg Anesth Pain Med. Published 4 September 2024. doi:10.
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