alexa Validation of the determinant-based classification and revision of the Atlanta classification systems for acute pancreatitis.


Emergency Medicine: Open Access

Author(s): AcevedoPiedra NG, MoyaHoyo N, ReyRiveiro M, Gil S, Sempere L,

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Abstract BACKGROUND & AIMS: Two new classification systems for the severity of acute pancreatitis (AP) have been proposed, the determinant-based classification (DBC) and a revision of the Atlanta classification (RAC). Our aim was to validate and compare these classification systems. METHODS: We analyzed data from adult patients with AP (543 episodes of AP in 459 patients) who were admitted to Hospital General Universitario de Alicante from December 2007 to February 2013. Imaging results were reviewed, and the classification systems were validated and compared in terms of outcomes. RESULTS: Pancreatic necrosis was present in 66 of the patients (12\%), peripancreatic necrosis in 109 (20\%), walled-off necrosis in 61 (11\%), acute peripancreatic fluid collections in 98 (18\%), and pseudocysts in 19 (4\%). Transient and persistent organ failures were present in 31 patients (6\%) and 21 patients (4\%), respectively. Sixteen patients (3\%) died. On the basis of the DBC, 386 (71\%), 131 (24\%), 23 (4\%), and 3 (0.6\%) patients were determined to have mild, moderate, severe, or critical AP, respectively. On the basis of the RAC, 363 patients (67\%), 160 patients (30\%), and 20 patients (4\%) were determined to have mild, moderately severe, or severe AP, respectively. The different categories of severity for each classification system were associated with statistically significant and clinically relevant differences in length of hospital stay, need for admission to the intensive care unit, nutritional support, invasive treatment, and in-hospital mortality. In comparing similar categories between the classification systems, no significant differences were found. CONCLUSION: The DBC and the RAC accurately classify the severity of AP in subgroups of patients. Copyright © 2014 AGA Institute. Published by Elsevier Inc. All rights reserved. This article was published in Clin Gastroenterol Hepatol and referenced in Emergency Medicine: Open Access

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