A controlled clinical trial of three different methods of perineal wound management following excision of the rectum

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Abstract
Three methods of perineal wound closure were studied in a randomized prospective clinical trial in 106 patients undergoing excision of the rectum for inflammatory or malignant disease. In method 1 the perineal wound was managed by open drainage. In both methods 2 and 3 the perineal wound was closed by primary suture, suprapubic suction drains being left down to the presacral space, but in method 2 the pelvic peritoneal floor was reconstituted, whilst in method 3 it was left unsutured. Topical and systemic antibiotics were administered to all patients submitted to primary closure of the perineal wound but not routinely to those whose perineal wound was left open. The overall operative mortality was 8·5 per cent but no deaths could be definitely attributed to perineal wound complications. The incidence of primary wound healing after methods 2 and 3 was 45·2 and 4·9 per cent respectively. Operative contamination of the perineal wound had an adverse effect on perineal wound healing. The incidence of persistent wound sinuses and unhealed wounds at 3 and 6 months after primary wound closure was rather less than that encountered after open drainage. It was concluded that primary closure of the perineal wound is the treatment of choice following excision of the rectum, except in cases in which contamination of the perineal wound has occurred during operation or the final state of haemostasis in the pelvis with diathermy and suture at the conclusion of the dissection was deemed to be unsatisfactory.