Synchronous abdominotrans-sphincteric resection of low rectal cancer: New technique for direct colo-anal anastomosis

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Abstract
Sixty-five patients with low rectal cancer 4–9 cm from the anal margin were treated by rectal resection and direct colo-anal anastomosis. The procedure simultaneously combined abdominal dissection with the patient in the lateral position with a trans-sphincteric approach. In 57 cases a temporary defunctioning colostomy was performed. There were no postoperative deaths. Six patients (9 per cent) developed pelvic sepsis or anastomotic leakage. Faecal continence was normal in 46 of 51 patients (91 per cent) who were operated on at least 1 year previously. The remaining 5 complained of occasional minor soiling. No patients require a permanent colostomy for incontinence. Of 29 patients treated for potential cure > 3 years previously, 24 (82 per cent) were alive without recurrence. Local recurrence occurred in four patients (6 per cent). Direct colo-anal anastomosis using a combined abdominotrans-sphincteric approach has produced good functional results without impairing the patient's life expectancy.