Risk factors of first thrombosis in obstetric antiphospholipid syndrome.

Lupus Sci Med

Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China

Published: January 2024

Objective: There is limited evidence on long-term thrombosis risk in patients with obstetric antiphospholipid syndrome (OAPS). This study aimed to investigate the clinical features and risk factors associated with the first thrombosis in patients with isolated OAPS.

Methods: Data from patients with isolated OAPS were collected. All patients were followed up until the first thrombotic event during or after delivery or until the end of the study. Logistic regression analysis identified independent risk factors associated with the first thrombosis in patients with isolated OAPS.

Results: The study enrolled 186 patients with OAPS. During a mean 5.4-year follow-up, 11 (5.9%) patients experienced thrombotic events. Multivariate binary logistic regression analysis revealed that triple-positive antiphospholipid antibodies (aPLs, OR=11.662, 95% CI=2.117 to 64.243, p=0.005) and hypocomplementemia (OR=9.047, 95% CI=1.530 to 53.495, p=0.015) were identified as independent risk factors for the first thrombosis in OAPS, after adjustment for low-dose aspirin and hydroxychloroquine.

Conclusions: Triple-positive aPLs and hypocomplementemia are risk factors for the first thrombosis in patients with OAPS.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10773425PMC
http://dx.doi.org/10.1136/lupus-2023-001044DOI Listing

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