Weekend endoscopic retrograde cholangiopancreatography has similar outcomes as weekday procedures—a propensity score match analysis of the Hungarian ERCP Registry

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Background: Endoscopic retrograde cholangiopancreatography (ERCP) is essential for the minimally invasive management of biliary and pancreatic disorders. Under certain indications, performing ERCP without delay during the weekend can be important for improving outcomes. Objectives: To compare the outcomes of ERCP performed on weekends and holidays with those of regular weekday ERCPs. Design: Propensity score match analysis of the data from the Hungarian ERCP Registry. Methods: A total of 116 ERCPs were performed during weekends or holidays, and 3144 during weekday working hours. The analyses were performed on 1:2 propensity-matched groups (116 weekend and 232 weekday cases). Results: Weekend ERCPs were mostly performed for acute cholangitis and acute biliary pancreatitis (70% of cases), whereas in the weekday group, only 32% of cases were performed for these indications. No significant difference was found between weekday and weekend ERCPs in terms of the rates of successful (91.38% vs 93.1%, p = 0.565) and difficult (33.62% vs 36.64%, p = 0.511) biliary cannulations. We found no significant differences in the number of adverse events (bleeding, post-ERCP pancreatitis, and 30-day mortality) in ERCPs performed during weekends or weekdays. Moreover, no significant differences in the aforementioned outcomes were detected between the propensity-matched groups. Conclusion: In this propensity-matched study, no significant differences were found in the outcomes of weekend and weekday ERCPs.

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