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Study: Hand OA associated more with primary Sjögren syndrome vs SLE
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Hand osteoarthritis was more frequently associated with patients who had primary Sjögren syndrome compared with patients who had systemic lupus erythematosus, according to results.
Researchers obtained standard hand/wrist radiographs from 114 patients with primary Sjögren syndrome (pSS) and 34 patients with systemic lupus erythematosus (SLE). Investigators classified the images according to the Kellgren-Lawrence system.
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Investigators found 42.7% of patients with pSS had radiographic had osteoarthritis (OA), while 30.3% had symptomatic OA and 16% had erosive hand OA, according to results. Compared to age- and sex-matched patients with SLE, results showed significantly higher prevalences of radiographic and erosive hand OA in 90 patients with pSS. Researchers found good interobserver and intraobserver reliabilities for the diagnosis of radiographic and erosive OA.
As age increased in patients with pSS, the frequency of hand OA also increased, according to results. Investigators also found patients with erosive hand OA had a significantly higher mean age vs. patients without erosive OA. – by Casey Tingle
Disclosure: The researchers report no relevant financial disclosures.
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