The Stapled Deal Pouch-Anal Anastomosis a Randomized Study Comparing two Different Pouch Designs

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Abstract
Thirty patients were operated on with restorative proctocolectomy with an end-to-end ileal pouch-anal anastomosis constructed by double stapling (STP). Pouches were randomized to either J type or K. type (folded by the principles used for the Kock continent ileostomy). Manovolumetric and functional results were compared. Patients were followed up for at least 6 months. K pouches acquired a significantly larger volume than the J-configurated pouches, and at 6 months the mean ± SD volumes amounted to 361 ±59.8 ml versus 283 ±43.0 ml (pp < 0.05). The initial postoperative mean reduction of resting anal pressure amounted to 33%, which was similar to that observed in a group of matched historical controls operated on with endoanal mucosectomy and hand-sutured pouch-anal anastomosis. Compared with these controls STP patients showed a superior overall functional result, most marked in the early postoperative period.