Evaluation of the ‘Sip Til Send’ regimen before elective caesarean delivery using bedside gastric ultrasound: A paired cohort pragmatic study
Authors' conclusion
The 'Sip Til Send' protocol of liberal hydration with water was noninferior to standard fasting prior to elective caesarean delivery.
Study context
- Population
- Nonlabouring pregnant women before elective caesarean delivery, tertiary maternity hospital, Dublin, Ireland, January–June 2023paired
- Participants
- 58 women
- Exposure
- 'Sip Til Send' liberal water drinking vs standard fasting
- Outcome
- Difference in gastric antral cross-sectional area (CSA) on ultrasound, fully fasted vs after 'Sip Til Send'
- Follow-up
- Just before spinal anaesthesia
Methodological detailspragmatic, blinded outcome assessment, non-inferiority, randomised scan order, single-centre
- Pragmatic
- Blinded outcome assessment
- Non-inferiority
- Randomised scan order
- Single-centre
Main finding
As reported in the abstract
Antral CSA, Sip Til Send vs fully fasted (same women) · Just before spinal anaesthesia vs on admission
Mean difference in cross-sectional area (CSA), semi-recumbent position
0.07 cm 2
95% CI −0.39 to 0.53
Mean difference in CSA, RL position
0.04 cm 2
95% CI −0.60 to 0.68
Observational data: associations, not effects.
Original publication
Evaluation of the ‘Sip Til Send’ regimen before elective caesarean delivery using bedside gastric ultrasound: A paired cohort pragmatic study. Eur J Anaesthesiol. Published 20 November 2023. doi:10.
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