Abstract
AimChronic constipation is a common pathology in clinical practice. In the absence of response to treatment, assessment of gastrointestinal function is recommended. This can be performed by scintigraphy, although its use is not widespread. The aim of this paper was to assess the utility of gastrointestinal transits scintigraphy in patients with chronic constipation. Material and methodsTwenty patients (13 children) sent for scintigraphy for chronic constipation refractory to treatment, syringomyelia, rectocele or abdominal migraine were evaluated. All underwent clinical assessment, analytical determination, radiological imaging and/or rectal biopsy. A complete study protocol was performed, including gastric emptying, small bowel and colonic transits scintigraphy. For this, a dose of [111In]In-DTPA diluted in water (37MBq) was administered together with standardized food. Following international guidelines, regions of interest were defined in the stomach, terminal ileum and different regions of the large intestine to calculate the geometric center as a measure of progression. ResultsOf the 13 pediatric patients, 10 had abnormal gammagraphic patterns, with treatment being modified in 8 of them. Most of the children showed no alterations on radiological explorations. In adult patients, the results of the test changed the therapeutic management in all of them. ConclusionsScintigraphic study provided useful information in the study of chronic constipation, influencing the diagnosis and therapeutic management of the patient. The physiological and quantitative information it provides allows both global and regional of gastrointestinal transit time determination.
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