Breath hydrogen test after a bean meal demonstrates delayed oro-cecal transit time in children with chronic constipation

Breath hydrogen test after a bean meal demonstrates delayed oro-cecal transit time in children with chronic constipation

Autor Soares, Ana Cristina Fontenele Autor UNIFESP Google Scholar
Lederman, Henrique Manoel Autor UNIFESP Google Scholar
Fagundes-Neto, Ulysses Autor UNIFESP Google Scholar
Morais, Mauro Batista de Autor UNIFESP Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Resumo Objective: To evaluate oro-cecal transit time in children with chronic constipation.Methods: 34 patients with chronic functional constipation age 3 to 13 years and 15 controls without constipation. Oro-cecal transit time was evaluated using the hydrogen breath test after ingestion of lactulose and after a standard meal of cooked beans. Total and segmental colonic transit times were measured with radiopaque markers.Results: of 34 patients with chronic constipation 61.8% had increased total colonic transit time (> 62 hours). Oro-cecal transit time measured with lactulose as substrate was similar (p = 0.727) in constipated patients with increased colonic transit time (63.8 +/- 16.3 minutes), in constipated patients with normal colonic transit time (66.9 +/- 22.9 minutes), and in controls (65.3 +/- 15.5 minutes). Using a test meal of beans, the hydrogen breath test showed that oro-cecal transit time of constipated patients with increased total colon transit time was higher (252.4 +/- 23.2 minutes) than oro-cecal transit time of constipated patients with normal colonic transit time (227.7 +/- 39.6 minutes) or controls (205.3 +/- 23.3 minutes) (p <.05).Conclusion: Hydrogen excretion in breath after a bean test meal showed delayed oro-cecal transit time in children with chronic constipation with abnormal total colonic transit time.
Palavra-chave oro-cecal transit time
hydrogen breath test
constipation
colonic transit time
children
Idioma Inglês
Data de publicação 2005-08-01
Publicado em Journal of Pediatric Gastroenterology and Nutrition. Philadelphia: Lippincott Williams & Wilkins, v. 41, n. 2, p. 221-224, 2005.
ISSN 0277-2116 (Sherpa/Romeo, fator de impacto)
Publicador Lippincott Williams & Wilkins
Extensão 221-224
Fonte http://dx.doi.org/10.1097/01.mpg.0000167499.40074.d7
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000230885000012
Endereço permanente http://repositorio.unifesp.br/handle/11600/28389

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