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Dis Colon Rectum. 2005 Mar;48(3):438-43.

Primary perineal wound closure after preoperative radiotherapy and abdominoperineal resection has a high incidence of wound failure.

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  • 1Department of Surgery, Division of Colon and Rectal Surgery, University of Minnesota, Minneapolis, Minnesota, USA. bulla002@umn.edu

Abstract

PURPOSE:

Neoadjuvant radiation therapy has been used increasingly to downstage rectal cancer and decrease local recurrence. Despite its efficacy, preoperative radiation therapy may inhibit healing and contribute to wound complications. This study was designed to evaluate perineal wound complications after abdominoperineal resection.

METHODS:

The clinical records of a consecutive series of patients who underwent abdominoperineal resection for rectal carcinoma between 1988 and 2002 were reviewed. Demographic data, disease stage, and use of preoperative radiation therapy were recorded. Major wound complications included delayed wound healing (>1 month), wound infection requiring drainage/debridement, or reoperation.

RESULTS:

A total of 160 patients underwent abdominoperineal resection with primary closure of the perineal wound (mean age, 63 +/- 12 years); 117 (73 percent) patients received preoperative radiation therapy; 114 received radiation therapy for rectal cancer (radiation therapy + chemotherapy = 107, radiation therapy alone = 7); 3 received radiation therapy for other pelvic malignancies. Median radiation dose was 5,040 (range, 900-5,400) cGY. Overall wound complication rate was 41 percent. Major wound complication rate was 35 percent. Delayed healing was the most common complication (24 percent), followed by infection (10 percent). Radiation therapy increased the risk of any wound complication (47 vs. 23 percent; P = 0.005), risk of a major wound complication (41 vs. 19 percent; P = 0.021), and risk of infection (14 vs. 0 percent; P = 0.015). Risk of wound complications did not correlate with age, gender, disease stage, smoking, or diabetes.

CONCLUSIONS:

Wound complications are frequent after abdominoperineal resection and primary closure of the perineum. Preoperative radiation therapy doubles the rate of total and major perineal wound complications. Alternatives to primary perineal closure should be considered, particularly after radiation therapy.

PMID:
15719190
[PubMed - indexed for MEDLINE]
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