Silvia Sirotti, Lene Terslev, Emilio Filippucci, Annamaria Iagnocco, Ingrid Moller, Esperanza Naredo, Florentin A Vreju, Antonella Adinolfi, Fabio Becce, Hilde Berner Hammer, Tomas Cazenave, Edoardo Cipolletta, Sara Nysom Christiansen, Andrea Delle Sedie, Mario Diaz, Fabiana Figus, Peter Mandl, Daryl MacCarter, Mohamed A Mortada, Gael Mouterde, Francesco Porta, Anthony M Reginato, Wolfgang A Schmidt, Teodora Serban, Richard J Wakefield, Pascal Zufferey, Piercarlo Sarzi-Puttini, Anna Zanetti, Arianna Damiani, Carlos Pineda, Helen I Keen, Maria Antonietta D'Agostino, Georgios Filippou
BACKGROUND: The Calcium Pyrophosphate Deposition (CPPD) subgroup of the Outcome Measures in Rheumatology (OMERACT) Ultrasound working group was established to validate ultrasound as an outcome measure instrument for CPPD, and in 2017 has developed and validated standardised definitions for elementary lesions for the detection of calcium pyrophosphate crystals in joints. The aim of this study was to develop and evaluate the reliability of a consensus-based ultrasound scoring system for CPPD extent, representing the next phase in the OMERACT methodology...
August 2023: Lancet Rheumatology