J.Jpn. Surg. Soc.. 109(5): 274-277, 2008

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Feature topic

RECONSTRUCTION METHODS TO ACHIEVE OPTIMAL POSTOPERATIVE BOWEL FUNCTION FOLLOWING LOW ANTERIOR RESECTION FOR RECTAL CANCER

After low anterior resection for rectal cancer, approximately 50%　of patients experience defecatory malfunction such as multiple evacuations, urgency, and soiling. Since the neorectum is constructed with the remaining colonic segment, it can only substitute for the rectum to a limited extent. A straight anastomosis is most frequently used when the rectal remnant is sufficient, such as in high anterior resection. When the height of anastomosis is close to the anal sphincter, a J-pouch, a side-to-end, or a transverse coloplasty pouch are constructed to achieve better postoperative bowel function. The advantage of J-pouch reconstruction is not only the increased volume but also may be decreased motility when compared with straight reconstruction. In terms of postoperative function, the side-to-end and transverse coloplasty pouch have both been reported to exhibit similar functional results to J-pouch reconstruction. To obtain optimal functional results, pouch reconstruction should be considered, especially when the height of anastomosis is at the levator plane.

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