Paediatric anaesthesia & critical care
Ultrasound assessment of the effects of three different fasting regimens of clear fluids on gastric fluid volume in children
Authors' conclusion
Compared to fasting with clear fluids for 2 h, the 1-h and liberal fluid fasting regimens do not increase GFV in children before induction.
Study context
- Population
- Children 1–13 years, ASA I or II, undergoing elective tonsillectomy and adenoidectomy
- Participants
- 147 children
- Comparison
- Clear-fluid fasting minimum 1 h or liberal vs minimum 2 h
- Primary endpoint
- Gastric fluid volume (GFV) before anaesthesia induction
- Follow-up
- Before anesthesia induction
Methodological detailsprospective
- Prospective
Primary result
As reported in the abstract
GFV before induction
- No evidence for differences in gastric fluid volume (GFVs) among the three groups
Secondary outcomes
Total water intake volume within 6 h before surgery
Last water intake volume before surgery
| Outcome | Group 2 | Group 1 | Group 0 |
|---|---|---|---|
| Total number of water intake episodesSpread kind not named in the abstract | 1.0 (range 1.0–2.5) | 2.5 (range 1.0–4.0) | 2.0 (range 1.0–3.0) |
Safety
- No increases in adverse events among groups
Original publication
Ultrasound assessment of the effects of three different fasting regimens of clear fluids on gastric fluid volume in children. J Clin Anesth. Published 7 October 2025. doi:10.
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