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Eur J Pediatr. 1999 Dec;158 Suppl 3:S117-21.

Prothrombotic risk factors in childhood stroke and venous thrombosis.

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Department of Paediatrics, Johann Wolfgang Goethe University, Frankfurt am Main, Germany.


Many studies have shown a high percentage of venous thromboses in children to be associated with haematological disorders. However, studies assessing the influence of haemostaseological disorders on paediatric stroke are rare. We compared 26 children with cerebral infarction (median age 2 months, range 0-16.2 years) and 17 with venous thrombosis (median age 4.5 years, range 0-17 years) with regard to prothrombotic risk factors. Prothrombotic disorders were found in 8 out of 26 patients with cerebral infarction (FV Leiden mutation: n = 4; protein C deficiency: n = 1; FV Leiden mutation + protein C deficiency: n = 2; prothrombin mutation G20210A: n = 1) and in 13 out of 17 with venous thrombosis (FV Leiden mutation n = 3; protein C deficiency n = 5; elevated HRGP + PAI: n = 1, combined deficiency of AT, protein C and plasminogen: n = 1; F XII deficiency: n = 1; lupus anticoagulans n = 1; FV Leiden + F XII deficiency + lupus anticoagulans + PAI: n = 1). Comparison of these prevalences with those of 150 healthy paediatric controls showed in children with FV Leiden mutation and/or protein C deficiency an increased risk of cerebral infarction (patients vs. controls: 26.9% vs. 6%; OR 5.77; 95%-CI 1.92-17.3; P = 0.0031) as well as of venous thrombosis (53% vs. 5.3% 19.9; 95%-CI 6-65.6; P < 0.0001). This result is in contrast with reports on thrombophilia in cerebral infarction in adult patients.


Our results indicate that FV Leiden mutation and protein C deficiency may contribute to the multifactorial aetiology of stroke in early childhood.

[Indexed for MEDLINE]

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