Didem Saygin, Stefanie Glaubitz, Rachel Zeng, Matteo Bottai, Marianne de Visser, Mazen M Dimachkie, David Fiorentino, Ingrid Gerhardson, Masataka Kuwana, Frederick W Miller, Merrilee Needham, Lisa G Rider, Yasser Salem, Silke Schlüter, Samuel K Shinjo, Guochun Wang, Victoria P Werth, Rohit Aggarwal, Ingrid E Lundberg
The 2017 EULAR/ACR classification criteria for adult/juvenile idiopathic inflammatory myopathies (IIM) were established using a data-driven approach by an international group of myositis experts to allow classification of IIM and its major subtypes. Since their publication, the performance of the criteria has been tested in multiple cohorts worldwide and significant limitations have been identified. Moreover, the understanding and classification of IIM have evolved since 2017. This scoping review was undertaken as part of a large international project to revise the EULAR/ACR criteria and aims to i) summarise the evidence from the current literature on the performance characteristics of the 2017 EULAR/ACR classification criteria in various cohorts and IIM subtypes, and ii) delineate the factors that need to be considered in the revision of the classification criteria...
February 28, 2024: Clinical and Experimental Rheumatology