• Gastrointest. Endosc. · Jan 2012

    Early cholecystectomy and ERCP are associated with reduced readmissions for acute biliary pancreatitis: a nationwide, population-based study.

    • Geoffrey C Nguyen, Morgan Rosenberg, Rachel Y Chong, and Christopher A Chong.
    • Mount Sinai Hospital, Division of Gastroenterology, Toronto, Ontario, Canada.
    • Gastrointest. Endosc. 2012 Jan 1;75(1):47-55.

    BackgroundCholecystectomy is recommended during hospitalizations for acute biliary pancreatitis (ABP).ObjectiveWe sought to assess the population-based effectiveness of index cholecystectomy by using nationwide data.DesignRetrospective, cohort study.SettingAll acute-care hospitals in Canada from 2007 to 2010.PatientsThis study involved patients admitted for ABP in the Canadian Institutes for Health Information hospital discharge database.InterventionCholecystectomy and therapeutic ERCP during the index admission.Main Outcome MeasurementsRate of hospital readmissions for ABP.ResultsAmong 5646 patients with ABP, 32% underwent cholecystectomy and 22% ERCP during the index admissions. Patients admitted to hospitals in the highest quartile for cholecystectomy volume were more than 10-fold likely to undergo cholecystectomy during the index admission (adjusted odds ratio 11.0; 95% confidence interval [CI], 7.4-16.5). The 12-month readmission rate for ABP was lower with cholecystectomy (5.6% vs 14.0%; P < .0001) and therapeutic ERCP (5.1% vs 13.1%; P < .0001). After multivariate adjustment, lower readmission rates were independently associated with both cholecystectomy (adjusted hazard ratio [HR] 0.39; 95% CI, 0.32-0.48) and ERCP (adjusted HR 0.37; 95% CI, 0.29-0.50). After excluding early readmissions (within 28 days of discharge), the adjusted HR for cholecystectomy was 0.43 (95% CI, 0.34-0.57). The admitting hospital's cholecystectomy volume was inversely associated with 12-month readmission rates for ABP (quartile 1, 15.9%; quartile 2, 13.9%; quartile 3, 11.3%; quartile 4, 10.0%; P < .001).LimitationsThe study was based on hospital administrative data.ConclusionCholecystectomy and ERCP during the index admission were associated with reduced readmission rates for ABP, providing population-based evidence to support consensus guidelines that recommend early biliary intervention.Copyright © 2012 American Society for Gastrointestinal Endoscopy. Published by Mosby, Inc. All rights reserved.

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