Prophylactic antibiotics cannot prevent endoscopic retrograde cholangiopancreatography-induced cholangitis: a meta-analysis.

Objectives:To determine the prophylactic effect of antibiotics on post-endoscopic retrograde cholangiopancreatography (ERCP) cholangitis or sepsis reduction in randomized controlled trials.Methods:Databases including MEDLINE, EMBASE, Cochrane Library, and Science Citation Index updated to June 2007