Pediatric anesthesia & critical care
Incidence of adverse respiratory events after adjustment of clear fluid fasting recommendations to 1 h: a prospective, observational, multi-institutional cohort study
Authors' conclusion
Implementing a national recommendation of 1-h clear fluid fasting was not associated with a higher incidence of pulmonary aspiration compared with previously reported data.
Study context
- Population
- Patients aged 0–15 yr undergoing anaesthesia for elective procedures after implementation of 1-h clear fluid fasting, 11 Swiss institutions
- Participants
- 22,766 anaesthetics
- Outcome
- Perioperative (anaesthesia induction to emergence) incidence of pulmonary aspiration, gastric regurgitation, and vomiting
Methodological detailsmulti-institutional, June 2019 to July 2021
- Multi-institutional
- June 2019 to July 2021
Main finding
As reported in the abstract
Pulmonary aspiration
25
0.11%
Gastric regurgitation
34
0.15%
Vomiting
85
0.37%
Observational data: associations, not effects.
Further findings
Pulmonary aspiration by effective fasting time (subgroup) · no significant difference; n=7306 vs n=14 660
P = 0.678
Effective fasting time for clear fluids
- Median 157 min (IQR 104-314; range 2-2385)
- 157
Major morbidity or mortality associated with pulmonary aspiration
- No major morbidity or mortality associated with pulmonary aspiration
Original publication
Incidence of adverse respiratory events after adjustment of clear fluid fasting recommendations to 1 h: a prospective, observational, multi-institutional cohort study. Br J Anaesth. Published 11 November 2023. doi:10.
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