COMPARATIVE STUDY
JOURNAL ARTICLE
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Intrasphincteric botulinum toxin decreases the rate of hospitalization for postoperative obstructive symptoms in children with Hirschsprung disease.

BACKGROUND: Although most children with Hirschsprung disease do well after pull-through surgery, some continue to have persistent obstructive symptoms. The purpose of this study was to evaluate the effect of intrasphincteric botulinum toxin in the management of these children.

METHODS: A retrospective review of patients with Hirschsprung disease treated over 10 years was performed.

RESULTS: Twenty-two patients who had previously undergone pull-through surgery received a median number of 2 botulinum toxin injections (range, 1-23). The number of hospitalizations for obstructive symptoms significantly decreased from preinjection (median, 1.5; interquartile range [IQR], 1-3) to postinjection (median, 0; IQR, 0-1) (P = .0003). The number of injections was lower in children with a rectosigmoid transition zone (median, 1 injection; IQR, 1-3.5) than in those with long-segment disease (median, 3 injections; IQR, 1-15) (P = .04). Eighty percent of patients had a good response to the first dose of botulinum toxin, and 69% of them required additional injections. There were no short-term or long-term complications related to botulinum toxin.

CONCLUSIONS: Intrasphincteric botulinum toxin significantly decreased the need for obstruction-related hospitalization in children who had undergone pull-through surgery for Hirschsprung disease. Botulinum toxin should be strongly considered in the management algorithm for postoperative obstructive symptoms in children with Hirschsprung disease.

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