Factors influencing concordance between clinical and ultrasound findings in rheumatoid arthritis

Maria Antonietta D'Agostino, Marion Le Boedec, Jousse-Joulin Sandrine, Jean-François Ferlet, Thierry Marhadour, Gérard Chales, Laurent Grange, Hacquard-Bouder Cécile, Damien Loeuille, Jérémie Sellam, Jean-David Albert, Jacques Bentin, Chary-Valckenaere Isabelle, Maria-Antonietta D'Agostino, Fabien Etchepare, Philippe Gaudin, Christophe Hudry, Maxime Dougados, Alain Saraux

Risultato della ricerca: Contributo in rivistaArticolo in rivista

17 Citazioni (Scopus)

Abstract

Objective. Clinical joint examination (CJE) is less time-consuming than ultrasound (US) in rheumatoid arthritis (RA). Low concordance between CJE and US would indicate that the 2 tests provide different types of information. Knowledge of factors associated with CJE/US concordance would help to select patients and joints for US. Our objective was to identify factors associated with CJE/US concordance. Methods. Seventy-six patients with RA requiring tumor necrosis factor-α (TNF-α) antagonist therapy were included in a prospective, multicenter cohort. In each patient, 38 joints were evaluated. Synovitis was scored using CJE, B-mode US (B-US), and power Doppler US (PDUS). Joints whose kappa coefficient (κ) for agreement CJE/US was < 0.1 were considered discordant. Multivariate analysis was performed to identify factors independently associated with CJE/US concordance, defined as factors yielding p < 0.05 and OR > 2. Results. Concordance before TNF-α antagonist therapy varied across joints for CJE/US (κ = -0.08 to 0.51) and B-US/PDUS (κ = 0.30 to 0.67). CJE/US concordance was low at the metatarsophalangeal joints and shoulders (κ < 0.1). Before TNF-α antagonist therapy, a low 28-joint Disease Activity Score (DAS28) was associated with good CJE/B-US concordance, and no factors were associated with CJE/PDUS concordance. After TNF-α antagonist therapy, only the joint site was associated with CJE/B-US concordance; joint site and short disease duration were associated with CJE/PDUS concordance. Conclusion. Concordance between CJE and US is poor overall. US adds information to CJE, most notably at the metatarsophalangeal joints and shoulders. Usefulness is decreased for B-US when DAS28 is low and for PDUS when disease duration is short.Copyright © 2013. All rights reserved.
Lingua originaleEnglish
pagine (da-a)244-252
Numero di pagine9
RivistaTHE JOURNAL OF RHEUMATOLOGY
Volume40
DOI
Stato di pubblicazionePubblicato - 2013

Keywords

  • Rheumatoid arthritis
  • Physical Examination
  • Ultrasonography
  • Adult
  • Aged
  • Antirheumatic Agents
  • Arthritis, Rheumatoid
  • Female
  • Humans
  • Joints
  • Male
  • Middle Aged
  • Prospective Studies
  • Synovitis
  • Tumor Necrosis Factor-alpha

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