BACKGROUND: Studies have increasingly challenged the traditional management of acute pancreatitis (AP) with bowel rest. However, these studies used a low-fat diet or transgastric feeding and only included adults. Aiming to generate higher-quality prospective pediatric data, we compared the traditional approach of fasting and intravenous fluids and early enteral feeding with standard diet or formula.METHODS: Randomized controlled trial of children (2-18 years) with mild-moderate AP. Patients were randomly assigned 1:1 to initial fasting and intravenous fluids or an immediate, unrestricted diet. Pain scores, blood measures, and cross-sectional imaging were recorded throughout admission and follow-up. The primary outcome was time to discharge, and secondary outcomes were clinical and biochemical resolution and local and systemic complication rates.RESULTS: Of 33 patients (17 [52%] boys, mean age of 11.5 [64.8] years), 18 (55%) were randomly assigned to early feeding and 15 (45%) were randomly assigned to initial fasting. We recorded the median (interquartile range [IQR]) time to discharge (2.6 [IQR 2.0 to 4.0] vs 2.9 [IQR 1.8 to 5.6]; P = .95), reduction in serum lipase levels by day 2 (58% [IQR 2% to 85%] vs 48% [IQR 3% to 71%]; P = .65), and readmission rates (1 of 18 [6%] vs 2 of 15 [13%]; P = .22) between the early feeding and fasting cohorts, respectively. Immediate or delayed complication rates did not differ. Patients randomly assigned to early feeding had weight gain of 1.3 kg (IQR 0.29 to 3.6) at follow-up, compared with weight loss of 0.8 kg (IQR 22.1 to 0.7) in fasted patients (P = .028).CONCLUSIONS: This is the first randomized controlled trial in pediatric AP. There was no difference between early commencement of a standard oral diet and initial fast in any of the major outcome measures.WHAT'S KNOWN ON THIS SUBJECT: Early enteral feeding is beneficial in acute pancreatitis; however, evidence is limited to low-fat or transgastric feeding. There are no prospective data, and only limited retrospective data, in pediatric AP. Initial fasting is still widely practiced by pediatric gastroenterologists.WHAT THIS STUDY ADDS: This randomized controlled trial study reveals equivalent outcomes between initial fasting and early commencement of a standard, full-fat diet in mild-moderate AP in children. This provides needed evidence to encourage implementation of early unrestricted diet in these patients.
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