Serum Gastrin Levels in Infants and Children

Abstract
Fasting serum gastrin concentrations were determined by radioimmunoassay for 124 infants and children free of gastrointestinal disease. Values for the entire group ranged from 1.1-167.9 pg/ml (mean, 32.3 pg/ml). Mean serum gastrin levels for children who fasted 8 h or more were 22.5 .+-. 23.9 pg/ml while the mean serum gastrin levels for children who fasted 4-8 h ranged from 42.4 .+-. 33.9 pg/ml-59.2 .+-. 49.6 pg/ml. The mean serum gastrin levels varied inversely with body surface area among children who fasted the same length of time.

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