Resection and sutured colo-anal anastomosis for rectal carcinoma

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Abstract
Resection with preservation of the anal sphincters is now widely accepted as providing satisfactory treatment for carcinoma of the upper rectum. However, restorative resection is less widely performed for tumours of the lower rectum because anastomosis can be technically difficult when performed low in the pelvis. Between 1973 and 1980, 76 patients with rectal carcinoma underwent rectal resection and restoration of bowel continuity by means of a sutured anastomosis between colon and anal canal. The pathological characteristics of these tumours were similar to those of all cases of carcinoma of the rectum treated at St Mark's Hospital between 1948 and 1972. Two patients developed pelvic sepsis following colonic necrosis and anastomotic breakdown. Eight developed pelvic sepsis without major anastomotic breakdown. No patient died as a result of pelvic sepsis. Sixty-nine of the 70 patients who were able to be assessed were either completely normal functionally or had only minor deficiencies of bowel function. Six patients have been observed to develop recurrent pelvic tumour, localized to the pelvis in 4 patients and concurrent with the development of widespread metastases in 2. Twenty-one of 32 patients are alive 3 years and 12 of 19 patients are alive 5 years after a curative operation for rectal carcinoma. These results are comparable with those seen following total excision of the rectum and pelvic floor for similarly sited tumours.
Funding Information
  • Westminster Foundation and the St Mark's Research Foundation