Ultrasound evaluation of muscle quality in rheumatoid arthritis: a reliability study of the Spanish Ultrasound Muscle Assessment in Rheumatoid Arthritis (SpUMAR) score

Abstract Objective This study aimed to 1) develop and test the reliability of a semiquantitative ultrasound score to assess muscle quality in patients with rheumatoid arthritis (RA), and 2) evaluate how incorrect adjustments of ultrasound settings affect muscle quality assessment. Methods The Spanis...

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Egile Nagusiak:	Juan Molina-Collada, José María Bellón, Boris Blanco-Cáceres, Luis Coronel, Juan José de Agustín, Paula Estrada, Elena Garmendia Sánchez, M. Luz García Vivar, Otto Olivas-Vergara, Francisco Gabriel Jiménez Núñez, Lucía Mayordomo, Carmen Moragues, Ana Isabel Rebollo-Giménez, Jacqueline Uson, Esther F. Vicente-Rabaneda, Esperanza Naredo, the Ultrasound Group of the Spanish Society of Rheumatology (ECOSER)
Formatua:	Artigo
Hizkuntza:	Inglês
Argitaratua:	BMC 2026-04-01
Saila:	Arthritis Research & Therapy
Gaiak:	Ultrasound Reliability Muscle Rheumatoid arthritis
Sarrera elektronikoa:	https://doi.org/10.1186/s13075-026-03815-9
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