Inherited and acquired risk factors for arterial ischemic stroke in childhood

Giuseppe Lippi1, Massimo Franchini, Martina Montagnana

  • 1Sezione di Chimica Clinica, Dipartimento di Scienze Morfologico-Biomediche, Università di Verona, Ospedale Policlinico G.B. Rossi, Piazzale Scuro, 10, 37134 Verona, Italy. giuseppe.lippi@univr.it

Insights

Childhood ischemic stroke is serious, with unknown causes in over a third of cases. Thrombophilia screening in children is debated due to uncertain diagnostic yield and unclear guidance for stroke prevention.

Area of Science:

  • Pediatric Neurology
  • Vascular Medicine
  • Hematology

Background:

  • Childhood ischemic stroke is a rare, severe condition with significant morbidity and mortality.
  • The diverse and often unidentified causes of pediatric stroke pose challenges for prediction and prevention.
  • While various acquired and inherited causes are known, over a third of cases remain idiopathic.

Purpose of the Study:

  • To evaluate the diagnostic yield and clinical utility of thrombophilia screening in children with ischemic stroke.
  • To clarify the role of inherited thrombophilic conditions in initial and recurrent pediatric stroke.
  • To address the lack of evidence-based guidelines for stroke prevention and management in pediatric patients with hypercoagulable states.

Main Methods:

  • Review of existing literature on the etiology of childhood ischemic stroke.
  • Analysis of the contribution of thrombophilic conditions versus non-thrombophilic risk factors.
  • Discussion on the diagnostic yield and uncertainty surrounding thrombophilia screening in pediatric populations.

Main Results:

  • The etiology of ischemic stroke in children remains unknown in over 33% of cases.
  • The diagnostic yield of thrombophilia screening is reportedly lower in children compared to adults.
  • The specific contribution of various prothrombotic abnormalities to pediatric stroke, especially recurrent events, is uncertain.

Conclusions:

  • Thrombophilia screening in children with stroke is a subject of debate due to lower diagnostic yield and unclear clinical impact.
  • Further research is essential to quantify the risk of cerebrovascular events in children with prothrombotic disorders.
  • Identifying combinations of risk factors is crucial for developing effective stroke prevention and treatment strategies in pediatric patients.

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