INFLUENCE OF ILEAL POUCH CAPACITY AND ANAL SPHINCTERIC FUNCTION ON THE CLINICAL OUTCOME AFTER ILEAL POUCH-ANAL ANASTOMOSIS

This study was designed to determine the influence of ileal pouch capa city and anal sphincteric function an the clinical outcome after ileal pouch-anal anastomasis. A total of 24 patients who had undergone ilea l pouch-anal anastomosis (J pouch) for ulcerative colitis were studied . The 24-hour stool frequency was found to be inversely correlated wit h the sensitivity threshold volume (STV), maximal tolerance volume (MT V), and distensibility, hut was independent of the maximal resting pre ssure and maximal squeeze pressure, patients experiencing nocturnal fe cal incontinence had maximal resting pressures that were significantly lower than those of nocturnally continent patients, Among the patient s with fecal incontinence, those with frequent soiling had lower resti ng pressures, STV, and distensibility than the patients with intermitt ent spotting, in addition, tile STV in patients needing nocturnal evac uation were lower than those of patients who did not evacuate after fa lling asleep, The conclusions are as follows, Both stool frequency and the need for nocturnal pouch evacuation correlated directly with pouc h volume. Anal incontinence was more common in patients with Bow inter nal sphincteric function, In addition, frequent and gross nocturnal in continent patients demonstrate a worse function in both the anal sphin cter and reservoir than those with intermittent spotting.