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  • Comprehensive and reliable ...
    Vega-Fernandez, Patricia; De Ranieri, Deirdre; Oberle, Edward; Clark, Matthew; Bukulmez, Hulya; Lin, Clara; Shenoi, Susan; Thatayatikom, Akaluck; Woolnough, Leandra; Benham, Heather; Brunner, Emily; Henrickson, Michael; Pratt, Laura R; Proulx-Gauthier, Jean-Philippe; Janow, Ginger; Cassedy, Amy; Ting, Tracy V; Roth, Johannes

    Rheumatology (Oxford, England), 06/2023, Letnik: 62, Številka: 6
    Journal Article

    Abstract Objective The clinical decision-making process in paediatric arthritis lacks an objective, reliable bedside imaging tool. The aim of this study was to develop a US scanning protocol and assess the reliability of B-mode and Doppler scoring systems for inflammatory lesions of the paediatric ankle. Methods As part of the Childhood Arthritis and Rheumatology Research Alliance (CARRA) US group, 19 paediatric rheumatologists through a comprehensive literature review developed a set of standardized views and scoring systems to assess inflammatory lesions of the synovial recesses as well as tendons of the paediatric ankle. Three rounds of scoring of still images were followed by one practical exercise. Agreement among raters was assessed using two-way single score intraclass correlation coefficients (ICC). Results Of the 37 initially identified views to assess the presence of ankle synovitis and tenosynovitis, nine views were chosen for each B-mode and Doppler mode semi-quantitative evaluation. Several scoring exercises and iterative modifications resulted in a final highly reliable scoring system: anterior tibiotalar joint ICC: 0.93 (95% CI 0.92, 0.94), talonavicular joint ICC: 0.86 (95% CI 0.81, 0.90), subtalar joint ICC: 0.91 (95% CI 0.88, 0.93) and tendons ICC: 0.96 (95% CI 0.95, 0.97). Conclusion A comprehensive and reliable paediatric ankle US scanning protocol and scoring system for the assessment of synovitis and tenosynovitis were successfully developed. Further validation of this scoring system may allow its use as an outcome measure for both clinical and research applications.