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Arterial ischemic stroke risk factors: the International Pediatric Stroke Study

Mark T Mackay1, Max Wiznitzer, Susan L Benedict

  • 1Children's Neuroscience Centre, Royal Children's Hospital, Murdoch Children's Research Institute and Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia. mark.mackay@rch.org.au

Annals of Neurology
|February 1, 2011
PubMed

Insights

Risk factors for childhood arterial ischemic stroke (AIS) are common, with arteriopathies being most frequent. Understanding these risk factors (RFs) by age and location can improve prevention and diagnosis of pediatric AIS.

Area of Science:

  • Pediatric Neurology
  • Vascular Neurology
  • Epidemiology

Background:

  • Childhood arterial ischemic stroke (AIS) is a significant cause of long-term disability.
  • Identifying risk factors (RFs) is crucial for understanding disease mechanisms and developing targeted interventions.

Purpose of the Study:

  • To identify and categorize presumptive risk factors (RFs) associated with childhood AIS.
  • To explore the relationships between these RFs and clinical presentation, patient age, geographic location, and infarct characteristics.

Main Methods:

  • Prospective enrollment of children (29 days-18 years) in the International Pediatric Stroke Study.
  • Categorization of identified risk factors into 10 groups.
  • Statistical analysis using chi-square tests and logistic regression to assess RF prevalence and associations.

Main Results:

  • Arteriopathies (53%) and cardiac disorders (31%) were the most common RFs in 676 children with AIS; 9% had no identifiable RFs.
  • Geographic variations in RF prevalence were observed, including lower arteriopathy rates in Asia and higher prothrombotic states in Europe.
  • Specific RFs were associated with different age groups and clinical presentations, such as focal signs with arteriopathies and diffuse signs with acute systemic conditions.

Conclusions:

  • Risk factors, particularly arteriopathies, are prevalent in childhood AIS.
  • Recognizing age- and geography-specific RF patterns can guide diagnostic approaches and preventative strategies for pediatric stroke.
Abstract

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