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  • Title: Factor v Leiden and antiphospholipid antibodies in either mothers or infants increase the risk for perinatal arterial ischemic stroke.
    Author: Simchen MJ, Goldstein G, Lubetsky A, Strauss T, Schiff E, Kenet G.
    Journal: Stroke; 2009 Jan; 40(1):65-70. PubMed ID: 18927445.
    Abstract:
    BACKGROUND AND PURPOSE: The objective was to investigate the role of infant and maternal thrombophilia in a cohort of mothers and infants presenting with perinatal arterial ischemic stroke. METHODS: Forty-seven infants with clinically and radiologically confirmed perinatal arterial ischemic stroke underwent thrombophilia workup: factor V Leiden (FVL), PII20210A mutation, Methylene-tetrahydrofolate reductase 677T polymorphism, protein C, protein S, antithrombin, FVIII, and antiphospholipid antibodies. Thrombophilia data were available for 23 mother-infant pairs and compared with control populations to evaluate the risk for PAS. RESULTS: Thirty of 47 (64%) infants and 15 of 22 mothers (68%) had evidence of thrombophilia. In 18 of 23 (78%) mother-infant pairs, there was at least 1 thrombophilic risk factor, but 15 pairs were mismatched in pathology. Among infants, FVL, protein C deficiency, and presence of antiphospholipid antibodies prevailed (OR, 4.2; 95% CI, 1.5-11.3; OR, 12.2; 95% CI, 2.5-59.9; OR, 4.1; 95% CI, 1.4-12.2, respectively). Interestingly FVL prevailed in almost one-third of mothers (OR, 8.5; 95% CI, 4.1-17.5) and 18% of mothers had antiphospholipid antibodies (OR, 3.8l; 95% CI, 1.5-10.0). CONCLUSIONS: Maternal and neonatal thrombophilia, especially presence of FVL or antiphospholipid antibodies, may be important in the pathogenesis of perinatal arterial ischemic stroke. The nature of thrombophilic mother-infant risk potential interactions warrants further investigation.
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