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Safe pre‐operative fasting times after milk or clear fluid in childrenA preliminary study using real‐time ultrasound
Author(s) -
Sethi A. K.,
Chatterji C.,
Bhargava S. K.,
Narang P.,
Tyagi A.
Publication year - 1999
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1046/j.1365-2044.1999.00660.x
Subject(s) - medicine , breast milk , gastric emptying , residual volume , preoperative fasting , incidence (geometry) , ultrasonography , ultrasound , gastric fluid , group b , anesthesia , nuclear medicine , surgery , gastroenterology , stomach , perioperative , lung volumes , biochemistry , chemistry , physics , chromatography , optics , radiology , lung
Gastric emptying of orange‐flavoured glucose (group I), low‐fat milk (group II) and breast milk (group III) was evaluated in 45 ASA grade I children of ≤ 5 years of age by using real‐time ultrasonography and residual gastric volume and pH was then measured. In 15 more children, residual gastric volume and pH was measured after a midnight fast (group IV). Mean (SD) gastric emptying time in group I was 1.53 (0.25) h (range 1.00–1.75), group II 2.32 (0.31) h (range 1.75–2.75) and group III 2.43 (0.27) h (range 2.00–2.75). According to Robert and Shirley's criteria, no children of group I and II were found to be ‘at risk’ at 2 h and 3 h, respectively, but 13.3% of group III children were labelled as ‘at risk’ at 3 h. The incidence of ‘at risk’ children in group IV was 33.3%. It was concluded that 3% fat milk or 17.5% glucose in a volume of 10 ml.kg −1 (maximum volume of 100 ml) can be given in children safely 3 h and 2 h, respectively, before anaesthesia. More real‐time studies are required on breast milk to establish guidelines for its potential use as a pre‐operative feed 3 h before anaesthesia.