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  • Title: Self-expanding metallic stents in the treatment of benign colorectal disease: indications and outcomes.
    Author: Forshaw MJ, Sankararajah D, Stewart M, Parker MC.
    Journal: Colorectal Dis; 2006 Feb; 8(2):102-11. PubMed ID: 16412069.
    Abstract:
    OBJECTIVE: The use of stents for benign colorectal obstruction is considered controversial because of a lack of data and perceived high failure and complication rates. The aim of this study was to evaluate the indications and outcomes following stent placement for benign colorectal disease in a UK district general hospital and to review the published literature. PATIENTS AND METHODS: Between 1997 and 2004, 11 of 90 attempted stent insertions were performed for benign colorectal disease (diverticular disease, 4; anastomotic strictures, 4; idiopathic rectal stricture, 1; rectal endometriosis, 1; caecal volvulus, 1). Complications and outcomes were analysed from a prospective database. RESULTS: Stent insertion was successful in nine patients. Early complications occurred in two patients (both with diverticular disease): one patient failed to decompress and needed a colostomy and laparotomy was performed in a second patient who developed peritonitis after five days although no stent perforation of the bowel was identified. Two patients were successfully decompressed and underwent subsequent elective surgery with full bowel preparation. Stent placement resulted in symptomatic improvement in three out of four patients with anastomotic strictures (allowing closure of defunctioning stomas) and in the one patient with an idiopathic rectal stricture. Stent migration occurred in two of these patients without recurrence of symptoms. Stent fracture occurred in one patient, who remained symptomatic. CONCLUSIONS: Self-expanding metallic stents are an effective treatment for benign colorectal obstructions, especially anastomotic strictures with long-term patency. Stents should be avoided in acute diverticular disease because of a higher incidence of complications.
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