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So far, there was no consensus regarding balloon dilation time in endoscopic papillary balloon dilation (EPBD). Thus, we conducted a systematic review and meta-analysis to compare the stone removal and overall complication rates of dilation of short and long duration with EPBD.
The Cochrane Central Register of Controlled Trials (CENTRAL; Cochrane Library), Web of Science, EMBASE Databases, and PubMed were searched from their inception to December 1, 2019 for all articles regarding balloon dilation time in EPBD for removal of bile duct stones. The data were extracted and the methodology quality was assessed. Meta-analysis was performed using RevMan5.3 software.
Four studies involving a total of 1553 patients were included, 918 in the short dilation group and 635 in the long dilation group. The results of meta-analysis showed that there was no significant difference between the 2 different dilation groups in the complete stone removal in randomized controlled trails (RCTs) group (P = .10) and non-RCTs group (P = 0.45), mechanical lithotripsy requirement (RCTs: P = .92; non-RCTs: P = .47), pancreatitis (RCTs: P = .48; non-RCTs: P = .45), bleeding (RCTs: P = .95; non-RCTs: P = .60), infection of biliary (RCTs: P = .58; non-RCTs: P = .29), perforation (RCTs: P = .32; non-RCTs: P = .37).
This systematic review suggests that there no significant difference in the efficacy and safety of dilation of short and long duration for removal of bile duct stones with EPBD.