Fig. 1.

Reconstructive procedures for bowel continuity in total colonic aganglionosis a Straight ileoanal anastomosis (SIAA); b J pouch with ileoanal anastomosis (JIAA); c Duhamel procedure. Surgical reconstructive procedures for total colonic aganglionosis now being performed in the Nordic countries. Preparing for best possible functional outcome, the main overall intention in all three methods is to remove the aganglionotic bowel extensively, preserving the anal sphincter.