Percutaneous transhepatic insertion of self-expanding short metal stents for biliary obstruction before resection of pancreatic or duodenal malignancy proves to be safe and effective

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Abstract
The British Society of Gastroenterology guidelines for the management of malignant obstructive jaundice state: “If a stent is placed prior to surgery, this should be of the plastic type and it should be placed endoscopically. Self-expanding metal stents should not be inserted in patients who are likely to proceed to resection.” In 2003, a small series of complications after endoscopic intervention caused a change in the authors’ practice. Currently, all patients requiring relief of biliary obstruction before surgical resection undergo attempted insertion of a short metal biliary stent. Retrospective analysis of the authors’ prospective database containing all patients presenting with periampullary and pancreatic tumors between January 2004 and May 2008 was performed. The authors have attempted percutaneous placement of internal metal stents in 67 patients with resectable malignancies and biliary obstruction. Stenting was successful for 53 patients (79%), and 5 patients (9.4%) experienced complications. These five patients were successfully managed conservatively, and all proceeded to trial dissection. The mean bilirubin level was 253 mg/dl before intervention and 33 mg/dl before surgery for the stented patients compared with 308 mg/dl before intervention and 102 mg/dl before surgery for those who needed external drainage. Percutaneous insertion of short metal stents provides a safe and effective alternative to endoscopic stent placement for treating jaundice preoperatively in patients with potentially resectable tumors around the pancreatic head.

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