Abstract:
OBJECTIVE:YB current affiliation: Department of Pediatrics, Hadassah-Hebrew University Medical Center, Mount Scopus, Israel YB and MJS contributed equally to the study and should be regarded as joint first authors on this manuscript. Antiphospholipid syndrome (APS) may present with thrombosis and persistently elevated titers of antiphospholipid antibodies (aPL) in the neonatal period. Our aim was to investigate the course and impact of elevated titers of aPL in a cohort of infants presenting with either perinatal arterial ischemic stroke (PAS) or cerebral sinus vein thrombosis (CSVT) during the perinatal period. STUDY DESIGN:Sixty-two infants with clinically and radiologically confirmed PAS or CSVT presenting in the neonatal period underwent thrombophilia workup that included Factor V Leiden (FVL), PII20210A mutation, MTHFR 677T polymorphism, protein C, protein S, aPL namely either circulating lupus anticoagulant (CLA), anticardiolipin antibodies (aCL) or anti-β2-glycoprotein-1 (β2GP1). Mothers also underwent thrombophilia workup. RESULTS:Twelve infants with persistently elevated aPL were prospectively followed. Infants with positive aPL showed no concordance with presence of maternal aPL. All children were followed for a median of 3.5 years (range: nine months to 19 years) with repeated aPL testing every three to six months. Anticoagulant therapy initiation and therapy duration varied at the physician's discretion. In 10/12 cases aPL decreased to normal range within 2.5 years; one female with complex thrombophilia risk factors required indefinite prolonged anticoagulation. None of the infants showed recurrent thrombosis or any other APS manifestations, despite lack of prolonged anticoagulation. CONCLUSIONS:The presence of aPL may be important in the pathogenesis of cerebral thrombosis in neonates. Nevertheless, the nature of thrombophilia interactions in this period and their therapeutic impact warrants further investigation.
journal_name
Lupusjournal_title
Lupusauthors
Berkun Y,Simchen MJ,Strauss T,Menashcu S,Padeh S,Kenet Gdoi
10.1177/0961203314531842subject
Has Abstractpub_date
2014-09-01 00:00:00pages
986-93issue
10eissn
0961-2033issn
1477-0962pii
0961203314531842journal_volume
23pub_type
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