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Chemotherapy-induced enterocutaneous fistula after perineal hernia repair using a biological mesh: a case report

Authors Eriksen M, Bulut O

Received 8 September 2013

Accepted for publication 12 November 2013

Published 23 January 2014 Volume 2014:7 Pages 11—13


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

MH Eriksen, O Bulut

Department of Surgical Gastroenterology, Hvidovre University Hospital, University of Copenhagen, Copenhagen, Denmark

Abstract: This is the first reported case of an enterocutaneous fistula as a late complication to reconstruction of the pelvic floor with a Permacol™ mesh after a perineal hernia. A 70-year-old man had a reconstruction of the pelvic floor with a biological mesh because of a perineal hernia after laparoscopic abdominoperineal resection. Nine months after the perineal hernia operation, the patient had multiple metastases in both lungs and liver. The patient underwent chemotherapy, including bevacizumab, irinotecan, calcium folinate, and fluorouracil. Six weeks into chemotherapy, the patient developed signs of sepsis and complained of pain from the right buttock. Ultrasound examination revealed an abscess, which was drained, guided by ultrasound. A computed tomography scan showed a subcutaneous abscess cavity located in the right buttock with communication to the small bowel. Operative findings confirmed a perineal fistula from the distal ileum to perineum. A resection of the small bowel with primary anastomosis was performed. The postoperative course was complicated by fluid and electrolyte disturbances, but the patient was stabilized and finally discharged to a hospice for terminal care after 28 days of hospital stay. It seems that hernia repairs with biological meshes have lower erosion and infection rates compared with synthetic meshes, and so far, evidence suggests that biological grafts are safe and effective in the treatment of pelvic floor reconstruction. There have been no reports of enteric fistulas after pelvic reconstruction with biological meshes. However, the development of intestinal fistulas after chemotherapy with bevacizumab has been described in the literature. Our case report supports this association between bevacizumab and fistula formation among rectal cancer patients, as symptoms of a fistula started only 6 weeks into bevacizumab treatment but approximately 12 months after the perineal hernia operation, even after pelvic reconstruction using a biological mesh and without local recurrence.

Keywords: rectal cancer, abdominoperineal resection, enterocutaneous fistula, perineal hernia, biological mesh

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