Congenital pouch colon: Massive redilatation of the tubularized colonic pouch after pull-through surgery

Rajiv Chadha1, Deepak Bagga, Sanjay Gupta

  • 1Department of Pediatric Surgery, Lady Hardinge Medical College and Kalawati Saran Children's Hospital, New Delhi, 110001, India.

Insights

Children with congenital pouch colon (CPC) malformation may experience pouch redilatation after initial surgery. A revised surgical approach for redilated pouches in CPC patients offers satisfactory outcomes and improved fecal continence.

Area of Science:

  • Pediatric surgery
  • Gastrointestinal malformations
  • Surgical outcomes

Background:

  • Congenital pouch colon (CPC) type I/II malformation with imperforate anus typically requires subtotal colonic pouch excision and tubularization.
  • Standard surgical treatment involves pull-through of the tubularized colon.

Observation:

  • Three patients previously treated for CPC presented with massive redilatation of the tubularized colon and enterocolitis 2-10.5 years later.
  • Contrast enema confirmed significant pouch redilatation without anal strictures or malpositioning.

Findings:

  • A revised surgical approach involving near-total excision of the redilated pouch and anastomosis with normal bowel was performed.
  • Two patients experienced anastomotic leaks, successfully managed postoperatively.
  • Patients reported symptom relief and improved fecal continence after the secondary surgery.

Implications:

  • The colonic pouch in CPC demonstrates a significant tendency for redilatation, even after initial tubularization.
  • The described surgical revision appears to be a satisfactory treatment for recurrent pouch redilatation in CPC patients.
  • This approach may improve long-term outcomes and quality of life for children with complex anorectal malformations.
Abstract

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