Abstract:
BACKGROUND AND PURPOSE:Cerebral venous thrombosis (CVT) may be a manifestation of underlying autoimmune disease. Antibodies against annexin A2 (anti-A2Ab) coincide with antiphospholipid syndrome, in which antiphospholipid antibodies (aPLA) are associated with thrombosis in any vascular bed. Annexin A2, a profibrinolytic receptor and binding site for β2-glycoprotein-I, the main target for aPLA, is highly expressed on cerebral endothelium. Here we evaluate the prevalence of anti-A2Ab in CVT. METHODS:Forty individuals with objectively documented CVT (33 women and 7 men) and 145 healthy controls were prospectively studied for hereditary and acquired prothrombotic risk factors, classical aPLA, and anti-A2Ab. RESULTS:One or more prothrombotic risk factors were found in 85% of CVT subjects, (pregnancy/puerperium in 57.5%, classical aPLA in 22.5%, and hereditary procoagulant risk factors in 17.5%). Anti-A2Ab (titer >3 SD) were significantly more prevalent in patients with CVT (12.5%) than in healthy individuals (2.1%, P<0.01, OR, 5.9). CONCLUSIONS:Anti-A2Ab are significantly associated with CVT and may define a subset of individuals with immune-mediated cerebral thrombosis.
journal_name
Strokejournal_title
Strokeauthors
Cesarman-Maus G,Cantú-Brito C,Barinagarrementeria F,Villa R,Reyes E,Sanchez-Guerrero J,Hajjar KA,Latorre EGdoi
10.1161/STROKEAHA.110.592121subject
Has Abstractpub_date
2011-02-01 00:00:00pages
501-3issue
2eissn
0039-2499issn
1524-4628pii
STROKEAHA.110.592121journal_volume
42pub_type
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