Publicação: Barium Enema Revisited in the Workup for the Diagnosis of Hirschsprung's Disease
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OBJECTIVE: To analyse the diagnostic capacity of barium enema (BE) in the diagnostic investigation for Hirschsprung's disease (HD) was analyzed for transition zone (TZ) identification and rectosigmoid index (RSI) ≤1.0 determination. PATIENTS AND METHODS: BE images were analyzed retrospectively by 2 examiners and the results were compared with the histopathology of rectal biopsies. RESULTS: TZ identification and RSI ≤1.0 were assessed separately and combined in 43 patients. Twelve (27.9%) patients had the diagnosis of HD based on rectal biopsies. TZ identification presented better diagnostic capacity for the 2 examiners than RSI ≤1.0. However, interexaminer agreement was higher for RSI ≤1.0 than for TZ identification. The combination of TZ identification and RSI ≤1.0 increased the sensitivity (83.3%-92.3%) and the negative predictive value (90.4%-92.3%). CONCLUSION: Therefore, the high diagnostic sensitivity of TZ identification combined to RSI ≤1.0 reinforces the usefulness of these BE parameters in the screening for Hirschsprung's disease.
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Journal of pediatric gastroenterology and nutrition, v. 68, n. 4, p. e62-e66, 2019.
