ArticleClinical rheumatology2019
Anti-RNP/Sm antibodies in patients with systemic lupus erythematosus and its role in thrombosis: a case-control study.
Article in Clinical rheumatology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- The Art of Interpreting Antinuclear Antibodies (ANAs) in Everyday Practice.Journal of clinical medicine · 2025Review
- Clinical characteristics and risk factors of cardiovascular disease in systemic lupus erythematosus patients.Heart and vessels · 2025Article
- Lupus Anticoagulant-Hypoprothrombinemia Syndrome and Pseudotumor Cerebri as an Initial Presentation of Systemic Lupus Erythematosus in a 16-Year-Old Male Patient: A Case Report and Literature Review.The American journal of case reports · 2022Review
- A nomogram to predict the risk of lupus enteritis in systemic lupus erythematosus patients with gastroinctestinal involvement.EClinicalMedicine · 2021Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
objectiveTo validate the association of thrombotic events with positive lupus anticoagulant (LA) and co-presence of anti-RNP/Sm, as well as the diagnostic accuracy of this combination of antibodies for thrombosis.
methodsCase-control study of patients with systemic lupus erythematosus (SLE) who presented thrombosis after SLE diagnosis and controls with SLE without thrombosis. Comorbidities, traditional risk factors, clinical variables, and treatment were evaluated. Antiphospholipid (aPL) and anti-RNP/Sm antibodies were determined.
resultsSixty-three cases and 63 controls were studied, 88% women, median age of 40 years, and disease duration of 135 months at study inclusion. No differences were found between groups regarding age, comorbidities, or clinical characteristics at SLE diagnosis. Patients with thrombosis were more frequently positive for anti-RNP/Sm (p = 0.001), IgG aCL (p = 0.02), IgG anti-B2GPI (p = 0.02), IgM anti-B2GPI (p = 0.02), LA (p < 0.001), the combination of anti-RNP/Sm + LA (p < 0.001), and aPL triple marker (p = 0.002), compared to controls. The combination of anti-RNP/Sm + LA, SLEDAI-2 K, and prednisone dose was associated with thrombosis (p < 0.05). The combination of anti-RNP/Sm + LA showed 56% sensitivity, 79% specificity, 73% positive predictive value, 64% negative predictive value, positive likelihood ratio (LR) 2.69, and negative LR 0.56 for predicting thrombosis. No difference was found in the comparison of area under the curve between LA alone and the combination of anti-RNP/Sm + LA (p = 0.73).
conclusionThrombosis was associated with disease activity, dose of prednisone, and the combination of anti-RNP/Sm antibodies and LA. This combination of antibodies could be useful in the identification of SLE patients at risk of thrombosis.
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