• Evan S Glazer, Mark C Hornbrook, and Robert S Krouse.
• Department of Surgery, College of Medicine, The University of Arizona, Tucson, Arizona, USA.
• J Pain Symptom Manage. 2014 Feb 1; 47 (2): 307314307-14.

ContextMany patients with unresectable pancreatic and peripancreatic cancer require treatment for malignant biliary obstruction.ObjectivesTo conduct a meta-analysis of the English language literature (1985-2011) comparing immediate biliary stent placement and immediate surgical biliary bypass in patients with unresectable pancreatic and peripancreatic cancer and analyze associated hospital utilization patterns.MethodsAfter identifying five randomized controlled trials comparing immediate biliary stent placement and immediate surgical biliary bypass, we performed a meta-analysis for dichotomous outcomes, using a random effects model. We compared resource utilization in terms of the number of hospital days before death by reviewing high-quality literature.ResultsThree hundred seventy-nine patients were identified. We found no statistically significant differences in success rates between the two treatments (risk ratio [RR] 0.99; 95% CI 0.93-1.05; P = 0.67). Major complications and mortality were not significantly higher after surgical bypass (RR 1.54; 95% CI 0.87-2.71; P = 0.14). Recurrent biliary obstruction was significantly less frequent after surgical bypass than after stent placement (RR 0.14; 95% CI 0.03-0.63; P < 0.01). Despite similar overall survival rates, longer survival was associated with more hospital days before death in stent patients than in surgical patients.ConclusionNearly all patients with unresectable pancreatic cancer benefit from some procedure to manage biliary obstruction. Patients with low surgical risk benefit more from surgery because the risk of recurrence and subsequent hospital utilization are lower than after stent placement.Published by Elsevier Inc.

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