Abstract
Hirschsprung's disease (HSCR) is the most common congenital malformation of the enteric nervous system and requires early diagnosis and surgical repair for the best comprehensive outcome. The early diagnosis of this disorder permits the use of primary endorectal pull-through (PERPT), which is now the definitive surgical therapy for HSCR. PERPT has become the preferred method of treatment for HSCR, and large numbers of successfully treated patients have been described in the recent medical literature. The rate of postoperative complications is generally similar to that following a two-stage surgical repair, but PERPT patients may be at a slightly higher risk for Hirschsprung's-associated enterocolitis. Despite recent surgical advances in the treatment of HSCR, a two-stage surgical repair involving a temporary diverting colostomy may still be necessary in up to one third of patients. Candidates for a staged repair include those HSCR patients with long-segment or total colonic disease or when there has been a delay in diagnosis that results in a markedly dilated proximal colon or patient clinical instability. Internal anal sphincter hypertonicity, occurring either as isolated primary anal achalasia or as a postoperative complication, can be successfully managed by either botulinum toxin injections or anal myectomy. The measurement of colonic motility in surgically repaired patients with a long-standing postoperative abnormality of bowel function can identify several distinct motility disorders that are amenable to separate and individualized therapies. The single most important element in the management of HSCR remains the clinical judgement of the surgeon of record, who utilizes all discernible clinical data to elect the manner of surgical repair in a given patient.
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