| http://www.w3.org/ns/prov#value | - However, the scenario is quite different in patients with upper end of bile duct obstruction as occurs due to CaGB. Endoscopic drainage is associated with a higher incidence of cholangitis in patients with a block at the upper end of the bile duct and the success rate varies from 40% to 80%, while percutaneous drainage may be associated with complications such as biliary leak and bleeding.
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