Use of colonic manometry to differentiate causes of intractable constipation in children
We evaluated colon manometry as a means of differentiating causes of intractable constipation in children. We studied pressure changes in the transverse, descending, and rectosigmoid colons of 23 children with intractable constipation. All patients had a history of less than one bowel movement per w...
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Veröffentlicht in: | The Journal of pediatrics 1992-05, Vol.120 (5), p.690-695 |
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Sprache: | eng |
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Zusammenfassung: | We evaluated colon manometry as a means of differentiating causes of intractable constipation in children. We studied pressure changes in the transverse, descending, and rectosigmoid colons of 23 children with intractable constipation. All patients had a history of less than one bowel movement per week for longer than 2 years without resolution after conventional medical management. The possibility of Hirschsprung disease was excluded in all. On the basis of pathologic and manometric studies of the upper gastrointestinal tract, 10 patients had a diagnosis of gastrointestinal neuropathy and two had a diagnosis of myopathy. The other 11 patients had functional fecal retention; this diagnosis was based on history and outcome of therapy. On the day of study we used endoscopy to place a manometry catheter into the transverse colon and recorded intraluminal pressure for longer than 4 hours. After obtaining a baseline recording, we gave the patient a meal to assess gastrocolonic response. Colonic contractions were recorded in 21 of 23 children. Children with functional fecal retention could be differentiated from those with neuropathy by examination of the postprandial record. After a meal children with functional fecal retention had (1) an increase in motility index (3.4±0.5 while fasting vs 9.1±1.3 postprandially;
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ISSN: | 0022-3476 1097-6833 |
DOI: | 10.1016/S0022-3476(05)80229-X |