Abstract
Background/Purpose: Anorectal achalasia (AA) may persist after pull-through (PT) for Hirschsprung's disease (HD), which may cause postoperative enterocolitis (POE) and constipation. The authors modified the Soave PT (modified Soave PT, MSPT) to eliminate AA, and present their results. Methods: This was a 16-year retrospective review of 43 patients with histologically proven HD of the rectosigmoid or sigmoid colon treated by MSPT. The MSPT ivolves excision of the posterior rectal cuff and an intraoperative internal sphincterotomy, allowing the PT colon to fit nicely. Results: Mean age at MSPT was 16.7 months (16 were ≤3 months old [37%]; 7 were neonates [16%]). Mean follow-up was 9.2 years. Six of 43 cases (14%) had preoperative enterocolitis; only 2 of 43 (5%) had single episodes of POE. At review, 37 of 43 were older than 4 years; 29 (78%) had normal bowel function (14 had experienced soiling after MSPT, which resolved after a mean of 6.4 years); and 8 (21%) had problematic bowel function: 3 had occasional soiling, 1 had soiling only before defecation, 3 (8%) had constipation requiring laxatives or enemas, and 1 had significant soiling. Conclusion: MSPT is safe and may contribute to a reduction in the incidence of POE and constipation.
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