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A systematic review and meta-analysis of the aetiology of acute pancreatitis.
HPB (Oxford). 2018 Sep 21;:
Authors: Zilio MB, Eyff TF, Azeredo-Da-Silva ALF, Bersch VP, Osvaldt AB
Abstract
BACKGROUND: Gallstones and alcohol are currently the most frequent aetiologies of acute pancreatitis (AP). The aim of this study is to quantify these aetiologies worldwide, by geographic region and by diagnostic method.
METHODS: A systematic review of observational studies published from January 2006 to October 2017 was performed. The studies provided objective criteria for establishing the diagnosis and aetiology of AP for at least biliary and alcoholic causes. A random-effects meta-analysis was used to assess the frequency of biliary (ABP), alcoholic (AAP) and idiopathic AP (IAP) worldwide and to perform 6 subgroup analyses: 2 compared diagnostic methods for AP aetiology and the other 4 compared geographic regions.
RESULTS: Forty-six studies representing 2,341,007 patients of AP in 36 countries were included. The global estimate of proportion (95% CI) of aetiologies was 42 (39-44)% for ABP, 21 (17-25)% for AAP and 18 (15-22)% for IAP. In studies that used discharge code diagnoses and in those from the US, IAP was the most frequent aetiology. ABP was more frequent in Latin America than in other regions.
CONCLUSION: Gallstones represent the main aetiology of AP globally, and this aetiology is twice as frequent as the second most common aetiology.
PMID: 30249509 [PubMed - as supplied by publisher]