Journal
ANNALS OF THE RHEUMATIC DISEASES
Volume 75, Issue 5, Pages 842-846Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/annrheumdis-2014-206774
Keywords
Ultrasonography; Synovitis; Knee Osteoarthritis
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Funding
- Abbvie Pharmaceuticals Netherlands BV
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Objective To assess whether ultrasonography (US) is reliable for the evaluation of inflammatory and structural abnormalities in patients with knee osteoarthritis (OA). Methods Thirteen patients with early knee OA were examined by 11 experienced sonographers during 2days. Dichotomous and semiquantitative scoring was performed on synovitis characteristics in various aspects of the knee joint. Semiquantitative scoring was done of osteophytes at the medial and lateral femorotibial joint space or cartilage damage of the trochlea and on medial meniscal damage bilaterally. Intra- and interobserver reliability were computed by use of unweighted and weighted coefficients. Results Intra- and interobserver reliability scores were moderate to good for synovitis (mean 0.67 and 0.52, respectively) as well as moderate to good for the global synovitis (0.70 and 0.50, respectively). Mean intra- and interobserver reliability for cartilage damage, medial meniscal damage and osteophytes ranged from fair to good (0.55 and 0.34, 0.75 and 0.56, 0.73 and 0.60, respectively). Conclusions Using a standardised protocol, dichotomous and semiquantitative US scoring of pathological changes in knee OA can be reliable.
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