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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
06:01

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Ischemic stroke in children: a study of the associated alterations

Josiane Ranzan1, Newra Tellechea Rotta

  • 1Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil. ranzan@terra.com.br

Arquivos De Neuro-Psiquiatria
|August 31, 2004
PubMed

Insights

Pediatric arterial ischemic stroke (AIS) is complex, often linked to prothrombotic disorders like protein S and C deficiencies. Identifying these risk factors is crucial for better childhood stroke management.

Area of Science:

  • Pediatric Neurology
  • Hematology
  • Neonatal Medicine

Background:

  • Childhood arterial ischemic stroke (AIS) is rare, multifactorial, and poorly understood.
  • It can be severe, impact children significantly, and signal underlying systemic diseases.
  • Delayed diagnosis is common, with limited research in this pediatric subspecialty.

Purpose of the Study:

  • To investigate the prevalence and characteristics of pediatric AIS.
  • To identify potential causative factors, particularly prothrombotic disorders.
  • To explore the association between prior pathologies and AIS in children.

Main Methods:

  • Retrospective study of 46 pediatric patients (0-18 years) diagnosed with AIS between March 2002 and September 2003.
  • Laboratory tests included coagulation protein analysis (specifically proteins S and C).
  • Echocardiograms were performed to assess cardiac contributions.

Main Results:

  • AIS occurred in newborns in 37% of cases.
  • Focal seizures and hemiparesis were the most common presenting symptoms.
  • Protein S deficiency was found in 22% and protein C deficiency in 17% of patients.
  • 40% of patients had pre-existing conditions.
  • Multiple risk factors, including hypercoagulable states, were identified.

Conclusions:

  • Prothrombotic disorders, such as protein S and C deficiencies, are significant contributors to pediatric AIS.
  • Children with AIS often present with multiple risk factors, including underlying pathologies and hypercoagulability.
  • Further research is needed to elucidate the complex etiology and improve diagnostic and therapeutic strategies for childhood stroke.

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