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J Pediatr Gastroenterol Nutr. 2015 Sep;61(3):330-3. doi: 10.1097/MPG.0000000000000805.

Water Load Test in Childhood Functional Abdominal Pain: No Relation to Food Intake and Nutritional Status.

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*Pediatric Gastroenterology Division, Federal University of Sao Paulo, Sao Paulo †Department of Health Science (Nutrition), Federal University of Sao Paulo, Santos, Brazil.


This cross-sectional study evaluates the relations between the water load test in childhood functional gastrointestinal disorders with food intake and nutritional status. Patients with functional dyspepsia required a lower maximum water intake to produce fullness (n = 11, median = 380 mL) than patients with irritable bowel syndrome (n = 10, median = 695 mL) or functional abdominal pain (n = 10, median = 670 mL) (P < 0.05). Among patients who ingested ≤560 mL (n = 17) or >560 mL (n = 14) in the water load test, there was no relation between the maximum drinking capacity and food intake, body mass index, or height.

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