Publication:


abstract

AIMS:

The rate of incisional hernia at stoma closure sites is unclear. This study aimed to describe this rate in patients with closed stomas who had definitive post-operative imaging of their abdominal wall.

METHODS:

A retrospective review of patients who had undergone stoma reversal and had a CT or MRI scan of the abdomen ≥2 months following reversal was performed. A radiologist, blinded to the original radiological report and clinical results, reviewed all scans for abdominal wall herniation. This was correlated to documented clinical findings.

RESULTS:

Fifty-nine patients were included: 49 loop ileostomy and 10 end colostomy reversals. CT scans were performed for 57 patients and MRI for two. The median time from closure to imaging was 10 months (range 3-32 months). The combined clinical and radiological hernia rate was 34% (20/59). Imaging alone produced a rate of 31% (18/59). The clinical rate of hernia detection was 14% (8/59). Using the rate of clinical herniation as the detection standard, imaging had a low positive predictive value (33%, 6/18) but a high negative predictive value (95%, 39/41). Four patients required surgical repair of their stoma site hernia (20%, 4/20).

CONCLUSIONS:

One in three patients undergoing stoma closure developed an incisional hernia. One in five of those with a hernia underwent surgical repair. Definitive imaging may provide an early surrogate marker for late clinically relevant hernias. Consideration of methods to prevent stoma closure site hernias should be considered.

Copyright © 2012 Royal College of Surgeons of Edinburgh (Scottish charity number SC005317) and Royal College of Surgeons in Ireland. Published by Elsevier Ltd. All rights reserved.

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