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Describing Peripancreatic Collections According to the Revised Atlanta Classification of Acute Pancreatitis: An International Interobserver Agreement Study

Lookup NU author(s): Richard Charnley

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Abstract

© 2017 Wolters Kluwer Health, Inc. All rights reserved.Objectives Severe acute pancreatitis is associated with peripancreatic morphologic changes as seen on imaging. Uniform communication regarding these morphologic findings is crucial for accurate diagnosis and treatment. For the original 1992 Atlanta classification, interobserver agreement is poor. We hypothesized that for the revised Atlanta classification, interobserver agreement will be better. Methods An international, interobserver agreement study was performed among expert and nonexpert radiologists (n = 14), surgeons (n = 15), and gastroenterologists (n = 8). Representative computed tomographies of all stages of acute pancreatitis were selected from 55 patients and were assessed according to the revised Atlanta classification. The interobserver agreement was calculated among all reviewers and subgroups, that is, expert and nonexpert reviewers; interobserver agreement was defined as poor (≤0.20), fair (0.21-0.40), moderate (0.41-0.60), good (0.61-0.80), or very good (0.81-1.00). Results Interobserver agreement among all reviewers was good (0.75 [standard deviation, 0.21]) for describing the type of acute pancreatitis and good (0.62 [standard deviation, 0.19]) for the type of peripancreatic collection. Expert radiologists showed the best and nonexpert clinicians the lowest interobserver agreement. Conclusions Interobserver agreement was good for the revised Atlanta classification, supporting the importance for widespread adaption of this revised classification for clinical and research communications.


Publication metadata

Author(s): Bouwense SA, Van Brunschot S, Van Santvoort HC, Besselink MG, Bollen TL, Bakker OJ, Banks PA, Boermeester MA, Cappendijk VC, Carter R, Charnley R, Van Eijck CH, Freeny PC, Hermans JJ, Hough DM, Johnson CD, Lameris JS, Lerch MM, Mayerle J, Mortele KJ, Sarr MG, Stedman B, Vege SS, Werner J, Dijkgraaf MG, Gooszen HG, Horvath KD

Publication type: Article

Publication status: Published

Journal: Pancreas

Year: 2017

Volume: 46

Issue: 7

Pages: 850-857

Print publication date: 01/08/2017

Online publication date: 07/07/2017

Acceptance date: 21/04/2017

ISSN (print): 0885-3177

ISSN (electronic): 1536-4828

Publisher: Lippincott Williams and Wilkins

URL: https://doi.org/10.1097/MPA.0000000000000863

DOI: 10.1097/MPA.0000000000000863


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