Pediatric anesthesia & critical care

Ultrasound Assessment of Gastric Fluid Volume in Children Scheduled for Elective Surgery After Clear Fluid Fasting for 1 Versus 2 Hours: A Randomized Controlled Trial

Anesth AnalgPublished Randomised controlled trial

Authors' conclusion

In healthy children scheduled for elective surgery receiving 3 mL kg -1 clear fluid, the median GFV after 1-hour fasting was double the volume after conventional 2-hour fasting.

Study context

Population
Children scheduled for elective surgeryavailable for final analysis
Participants
227 children
Comparison
Clear fluid fasting 1 h vs 2 h after 3 mL kg −1 clear fluid
  • 1-hourn = 116
  • 2-hourn = 111reference
Methodological detailsdouble-blinded
  • Double-blinded

Primary result

As reported in the abstract

Gastric fluid volume (GFV)

P = 0.001

Further findings

GFV ≥1.25 mL kg −1 · comparable

P = 0.165

GFV ≥0.8 mL kg −1

Grade 2 antral grading score

P < 0.001

Events

Outcome1-hour2-hour
GFV ≥1.5 mL kg −100

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Ultrasound Assessment of Gastric Fluid Volume in Children Scheduled for Elective Surgery After Clear Fluid Fasting for 1 Versus 2 Hours: A Randomized Controlled Trial. Anesth Analg. Published 16 July 2022. doi:10.1213/ane.0000000000006157

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