Arterial ischemic stroke and hemorrhagic stroke in Chinese children: a retrospective analysis

Ling-Ling Xie1, Li Jiang1

  • 1Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, PR China.

Brain & Development
|March 8, 2013
PubMed

Insights

Hemorrhagic stroke (HS) is more common in Chinese children than arterial ischemic stroke (AIS). Vitamin K deficiency is a primary cause of HS in infants, while minor head injuries often precede AIS.

Area of Science:

  • Pediatric Neurology
  • Neuroscience
  • Public Health

Background:

  • Stroke is a significant cause of childhood morbidity and mortality.
  • Understanding the specific characteristics, etiologies, and risk factors of pediatric stroke subtypes is crucial for effective prevention and treatment.

Purpose of the Study:

  • To investigate the clinical features, etiological factors, and risk factors of pediatric arterial ischemic stroke (AIS) and hemorrhagic stroke (HS) in Southwest China.
  • To compare the incidence and characteristics of AIS and HS in the pediatric population.

Main Methods:

  • Retrospective review of medical records for pediatric patients diagnosed with AIS or HS between January 2003 and March 2011 at Children's Hospital of Chongqing Medical University.
  • Statistical analysis using SPSS 17.0, including Chi-squared tests to examine relationships between stroke types, sex, age, and neuroradiological findings.

Main Results:

  • A total of 169 pediatric stroke cases were analyzed (119 boys, 50 girls).
  • Hemorrhagic stroke (HS) was more prevalent (64.1%) than arterial ischemic stroke (AIS) (35.3%).
  • Vitamin K deficiency was the main cause of HS (59.6%), particularly in breastfed infants without postnatal vitamin K supplementation. Minor head injury was a common preceding factor for AIS (40.0%).

Conclusions:

  • Hemorrhagic stroke is the predominant type of stroke in children in Southwest China.
  • Vitamin K deficiency is a critical, preventable cause of HS in infants.
  • Minor head trauma is a significant risk factor for AIS in children, highlighting the need for protective measures.

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