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Revista Colombiana de Gastroenterologia

Print version ISSN 0120-9957

Abstract

CASTANO, Rodrigo et al. Metal stent versus plastic stent for malgnant distal biliary stricture. Rev Col Gastroenterol [online]. 2009, vol.24, n.3, pp.248-255. ISSN 0120-9957.

Background: It is not known in our studies that compare metallic stents (SM) and plastic stents (SP) in the management of distal malignant biliary obstruction. Patients and Methods: Retrospective trial of 80 patients treated in Hospital Pablo Tobón Uribe and Clínica el Rosario between January 2002 and June 2008. Forty patients received a PS and 40 patients were treated with MS. Results. In this study, 48 men (60%) and 32 women (median 66±6 years) with inoperable malignant distal common bile duct strictures were evaluated. Clinical success was equal for two groups (92%). Hospital stay was significantly smaller for patients with MS than the patients with PS (CI 95% 1.6-7.2, p<0.01) Recurrent biliary obstruction was noted in 19 of 40 (47.5%) patients of PS and 27 of 108 (25%) patients of MS. The median first stent patency was longer in the metal group than in the plastic stent group (CI 95% 41.1-90.8, p<0.01). Early complications occurred in 5% of MS and 12.5% of patients with PS (p=0.4), later complications were seen in 42.5% of PS and 30% of MS (p=0.3) Median survival time after stent insertion was 159.4±9.4 days for PS and 189.5±7.6 days for MS (p=0.07). Conclusions. Plastic and metal stents are effective in the treatment of inoperable distal malignant obstruction, but compared with plastic stent, metal stents had better permeability, lower hospital stay, lower procedures for complications and equal survival.

Keywords : Extrahepatic Cholestasis; Pancreatic Neoplasm; Cholangiocarcinoma; Cholangiography; Prostheses.

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