Neonatal acid-base status before and after discontinuing routine left uterine displacement for elective cesarean delivery: a retrospective cohort study (2014–2017)
Authors' conclusion
No tilt of surgical table in elective cesarean delivery cases with spinal anesthesia did not affect neonatal acid-base status compared with a historical cohort when maternal tilt was routine.
Study context
- Population
- Elective cesarean delivery of singleton term pregnancies under spinal anesthesia, with crystalloid coloading and prophylactic phenylephrine infusion
- Participants
- 201 vs 202
- Exposure
- With tilt vs no tilt
- With tiltn = 201reference
- No tiltn = 202
- Outcome
- Mean umbilical artery base excess
Methodological detailshistorical cohort comparison, single-centre
- Historical cohort comparison
- Single-centre
Main finding
As reported in the abstract
Umbilical artery base excess
- No differences in umbilical artery or vein base excess or pH, with tilt vs no tilt
Observational data: associations, not effects.
Further findings
Outliers for umbilical artery base excess, pH, Apgar scores or need for resuscitation
- No significant difference between groups
Original publication
Neonatal acid-base status before and after discontinuing routine left uterine displacement for elective cesarean delivery: a retrospective cohort study (2014–2017). Int J Obstet Anesth. Published 8 March 2025. doi:10.
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