Diseases of the colon and rectum · 2004
Transverse coloplasty pouch after total mesorectal excision: functional assessment of evacuation.
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Köninger Jörg S, Butters Michael, Redecke Jens D, Z'graggen Kaspar
Аннотация
PURPOSE: Colon pouch reconstruction after total mesorectal excision is functionally superior to straight colorectal/ anal anastomosis. In the long-term, stool evacuation difficulties could jeopardize the functional benefit. The transverse coloplasty pouch presents an alternative to the standard J-pouch. This study was designed to analyze functional outcome and defecography findings after total mesorectal excision and transverse coloplasty pouch reconstruction.
METHODS: Thirty consecutive patients with cancer of the middle and lower third of the rectum underwent a total mesorectal excision and were examined in a prospective study. In all patients, reconstruction was performed with a transverse coloplasty pouch. Pouch and anastomosis were checked by Gastrografin enema postoperatively. Patients were examined within eight months by means of defecography, manometry, pouch volumetry, and a standardized continence questionnaire.
RESULTS: Total mesorectal excision with transverse coloplasty pouch anastomosis was performed successfully in all patients. Symptomatic anastomotic leakage was observed in 2 of 30 patients and the radiologic leak rate was 4 of 30. All patients evacuated the pouch completely; none needed enemas or suppositories to facilitate defecation. Twenty-five of 27 patients had a maximum of three bowel movements per day, and all patients were continent for solid stools. Patients with abnormal findings on defecography proved more likely to have anal dysfunction.
CONCLUSIONS: Transverse coloplasty pouch reconstruction after total mesorectal excision leads to good functional results and is not associated with stool evacuation problems. Urgency and incontinence correlate rather with impaired pelvic floor movement than with pouch size or anal sphincter tonus.
METHODS: Thirty consecutive patients with cancer of the middle and lower third of the rectum underwent a total mesorectal excision and were examined in a prospective study. In all patients, reconstruction was performed with a transverse coloplasty pouch. Pouch and anastomosis were checked by Gastrografin enema postoperatively. Patients were examined within eight months by means of defecography, manometry, pouch volumetry, and a standardized continence questionnaire.
RESULTS: Total mesorectal excision with transverse coloplasty pouch anastomosis was performed successfully in all patients. Symptomatic anastomotic leakage was observed in 2 of 30 patients and the radiologic leak rate was 4 of 30. All patients evacuated the pouch completely; none needed enemas or suppositories to facilitate defecation. Twenty-five of 27 patients had a maximum of three bowel movements per day, and all patients were continent for solid stools. Patients with abnormal findings on defecography proved more likely to have anal dysfunction.
CONCLUSIONS: Transverse coloplasty pouch reconstruction after total mesorectal excision leads to good functional results and is not associated with stool evacuation problems. Urgency and incontinence correlate rather with impaired pelvic floor movement than with pouch size or anal sphincter tonus.