RESEARCH - Tendinous and ligamentous derangements in SLE

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J Rheumatol. 2008 Sep 1. [Epub ahead of print]

Tendinous and Ligamentous Derangements in Systemic Lupus Erythematosus.

Sierra-Jimenez G, -Ortiz A, Aceves-Avila FJ, -Rios G,

Durán-Barragán S, Ramos-Remus C.

From the Unidad de Investigación en Enfermedades

Cronico-Degenerativas; and Department of Rheumatology, Centro Medico

Nacional de Occidente, IMSS, Guadalajara, Mexico.

OBJECTIVE: We assessed the prevalence of selected clinical and

radiological features of tendinous and ligamentous derangements in a

consecutive sample of patients with systemic lupus erythematosus

(SLE).

METHODS: Consecutive patients with SLE with no comorbidities attending

a tertiary care center were prospectively assessed and underwent plain

radiographic evaluation of the pelvis. Radiographs were analyzed by 2

blinded observers; radiographic sacroiliitis was graded 0 to IV. To

better assess sacroiliac (SI) involvement, a computed tomography (CT)

scan of the SI joints was performed in patients with grade III

sacroiliitis. Hip joints and pubis were also assessed as described.

RESULTS: Of the 192 included patients, 89% were female, mean age was

36 years, and mean disease duration was 10 years. Inflammatory low

back pain was reported by 10% of patients. Sacroiliitis of any grade

was observed in 31 patients (16%), and grade III (confirmed on CT

scan) sacroiliitis was observed in 6% (95% CI 3% to 9%). Osteitis

pubis was diagnosed in 6% (95% CI 3% to 10%) and coxofemoral migration

in 8% (95% CI 2% to 9%). Jaccoud's arthropathy was found in 23%.

Demographic and clinical variables were not statistically associated

with radiographic sacroiliitis.

CONCLUSION: Sacroiliitis and other tendinous and ligamentous

derangements are not uncommon in patients with SLE. Based on these

features and on previous reports, the term " SLE-related tendinous and

ligamentous derangements " may be used to establish a common framework

for further research and reporting.

PMID: 18785311

http://www.ncbi.nlm.nih.gov/pubmed/18785311

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