Management of acute malignant large-bowel obstruction with self-expanding metal stent
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Colorectal stents are being used for palliation and as a “bridge to surgery” in obstructing colorectal carcinoma. The purpose of this study was to review our experience with self-expanding metal stents (SEMS) as the initial interventional approach in the management of acute malignant large bowel obstruction.
Between February 2002 and May 2006, 67 patients underwent the insertion of a SEMS for an obstructing malignant lesion of the left-sided colon or rectum.
In 55 patients, the stents were placed for palliation, whereas in 12 they were placed as a bridge to surgery. Stent placement was technically successful in 92.5% (n = 62), with a clinical success rate of 88% (n = 59). Two perforations that occurred during stent placement we retreated by an emergency Hartmann operation. In intention-to-treat by stent, the peri-interventional mortality was 6% (4/67). Stent migration was reported in 3 cases (5%), and stent obstruction occurred in 8 cases (13.5%). Of the nine patients with stents successfully placed as a bridge to surgery, all underwent elective single-stage operations with no death or anastomotic complication.
Stent insertion provided an effective outcome in patients with malignant colonic obstruction as a palliative and preoperative therapy.
KeywordsColonic obstruction Stent Endoprosthesis Cancer Colorectal
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