Effect of Feeding Volume on Early Postcibal Gastroesophageal Reflux in Infants

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Abstract
Using esophageal pH monitoring, we have investigated the effect of feeding volume on early (1 h) postcibal gastroesophageal reflux (GER) in a population of 50 infants referred for evaluation. Two feedings with the volume of both feedings specified (9 and 18 ml/kg) were given to one group of infants. A second group was given one feeding and libitum and another specified at 9 ml/kg. Volume of intake was a very significant determinant of both the total duration and the maximum single continuous episode of GER during early postcibal esophageal pH monitoring in both groups by paired analyses. This effect was observed in infants with significant GER (n = 44) and in a subgroup of infants who were normal (n = 6).