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The adjusted global antiphospholipid syndrome score (aGAPSS)and the risk of recurrent thrombosis: Results from the APS ACTION cohort

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APS ACTION

Original languageEnglish
Pages (from-to)464-468
Number of pages5
JournalSeminars in Arthritis and Rheumatism
Volume49
Issue number3
DOIs
Publication statusPublished - 1 Dec 2019

King's Authors

Abstract

Objectives: To assess whether patients with antiphospholipid syndrome (APS)and history of recurrent thrombosis have higher levels of adjusted Global AntiphosPholipid Syndrome Score (aGAPSS)when compared to patients without recurrent thrombosis. Methods: In this cross-sectional study of antiphospholipid antibody (aPL)-positive patients, we identified APS patients with a history of documented thrombosis from the AntiPhospholipid Syndrome Alliance For Clinical Trials and InternatiOnal Networking (APS ACTION)Clinical Database and Repository (“Registry”). Data on aPL-related medical history and cardiovascular risk factors were retrospectively collected. The aGAPSS was calculated at Registry entry by adding the points corresponding to the risk factors: three for hyperlipidemia, one for arterial hypertension, five for positive anticardiolipin antibodies, four for positive anti-β2 glycoprotein-I antibodies and four for positive lupus anticoagulant test. Results: The analysis included 379 APS patients who presented with arterial and/or venous thrombosis. Overall, significantly higher aGAPSS were seen in patients with recurrent thrombosis (arterial or venous)compared to those without recurrence (7.8 ± 3.3 vs. 6 ± 3.9, p<0.05). When analyzed based on the site of the recurrence, patients with recurrent arterial, but not venous, thrombosis had higher aGAPSS (8.1 ± SD 2.9 vs. 6 ± 3.9; p<0.05). Conclusions: Based on analysis of our international large-scale Registry of aPL-positive patients, the aGAPSS might help risk stratifying patients based on the likelihood of developing recurrent thrombosis in APS.

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