Gastric emptying of a liquid meal in children with severe functional constipation, fecal impaction and soiling / Esvaziamento gastrico de refeição liquida em crianças com constipação cronica funcional grave, com impactação fecal e escapes fecais retentivos

AUTOR(ES)
DATA DE PUBLICAÇÃO

2009

RESUMO

Gastrointestinal motility disorders may be at the basis of constipation. Gastric emptying delay has been reported in constipated patients and a causality relation is still not outlined. The objective of this study was to evaluate pre- and post-treatment gastric emptying values and dyspeptic symptoms in a group of children with functional constipation and fecal retention. Methods: Twenty-two children (eighteen boys, median age 10±2.2 years) with chronic constipation, fecal retention and soiling were seen in a tertiary pediatric gastroenterology clinic. Gastric emptying (GE) T1/2 was measured by scintigraphy before fecal impaction removal (GE1) and repeated (GE2) when patients recovered regular bowel movements (12±5 weeks after GE1). Patients were followed until complete relieve of constipation (11.6 ± 5.7 months). Gastric half-emptying time of a liquid meal (water) was measured using a radionuclide technique, reference value t ½ 12 ± 3 minutes. Results: Twenty-one children reported symptoms related to food ingestion, which were completely relieved after resuming regular bowel movements. Mean GE1 was 32.8 ± 24.8 minutes and mean GE2 was 25.8 ±10.5 minutes. There was no significant difference between GE1 and GE2 (p=0,09). There was significant correlation between mean time to resume regular bowel movements and gastric emptying values GE1 (R=0,61, p=0,01) and GE2 (R=0,58, p=0,01). Conclusion: The results of the present study indicate that slow gastric emptying is a common feature among children with chronic constipation and fecal impaction, and that this correlates with a slow response to therapy. Resuming of satisfactory bowel function did not result in normalization of gastric emptying studies. Key words: functional constipation, fecal retention, soiling, gastric emptying, scintigraphy

ASSUNTO(S)

esvaziamento gastrico impactação fecal constipation constipação funcional radionuclide imaging cintilografia fecal impaction gastric emptying

ACESSO AO ARTIGO

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