Two Biliary Cannulation Techniques for ERCP in Patients With Intradiverticular Papilla: A Retrospective Review

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Purpose:To compare the effectiveness and complications of the different cannulation techniques for bile duct stones removal in patients with intradiverticular papilla.Materials and Methods:The records of 472 patients with common bile duct (CBD) stones who underwent endoscopic retrograde cholangiopancreatography (ERCP) procedures for bile duct stones removal from January 2014 to December 2016 were retrospectively reviewed. A total of 42 patients with CBD stones were included in the study and data of included patients were collected retrospectively. The outcomes and complications of ERCP procedures were compared.Results:Of 42 ERCP procedures included in the study, patients were divided into Two-devices-in-one-channel group (n=20) and Endoclip group (n=22). The success rate of CBD cannulation at first attempt in Two-devices-in-one-channel and Endoclip groups was 85.0% (17/20) and 54.5% (12/22), respectively (P<0.05). The average time it took to cannulation in Endoclip group was much longer than that in Two-devices-in-one-channel Group (17.55±2.06 vs. 10.6±2.75 min, P<0.05). Overall complications occurred in 3 cases of Two-devices-in-one-channel group and in 4 cases of Endoclip group, respectively (15.0% vs. 18.2%, P>0.05). There was no statistically significant difference between groups regarding the complications.Conclusions:Two-devices-in-one-channel and Endoclip techniques are both safe and effective for bile duct cannulation in patients with intradiverticular papilla.

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