Early cholecystectomy and ERCP are associated with reduced readmissions for acute biliary pancreatitis: a nationwide, population-based study - 23/12/11
Reprint requests: Geoffrey C. Nguyen, MD, PhD, FRCPC, 600 University Ave, Suite 437, Toronto, Ontario M5G 1X5 CanadaRésumé |
Background |
Cholecystectomy is recommended during hospitalizations for acute biliary pancreatitis (ABP).
Objective |
We sought to assess the population-based effectiveness of index cholecystectomy by using nationwide data.
Design |
Retrospective, cohort study.
Setting |
All acute-care hospitals in Canada from 2007 to 2010.
Patients |
This study involved patients admitted for ABP in the Canadian Institutes for Health Information hospital discharge database.
Intervention |
Cholecystectomy and therapeutic ERCP during the index admission.
Main Outcome Measurements |
Rate of hospital readmissions for ABP.
Results |
Among 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).
Limitations |
The study was based on hospital administrative data.
Conclusion |
Cholecystectomy 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.
Le texte complet de cet article est disponible en PDF.Abbreviations : ABP, CI, HR, OR
Plan
| DISCLOSURE: This work was supported by a CIHR/CAG/CCFC New Investigator Award and the University of Toronto Dean's Fund (G.C.N.). The sponsors had no role in the conceptualization, design, or interpretation of the study. No other financial relationships relevant to this publication were disclosed. |
Vol 75 - N° 1
P. 47-55 - janvier 2012 Retour au numéro
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