Craniocervical arterial dissection in children: clinical and radiographic presentation and outcome

Mubeen F Rafay1, Derek Armstrong, Gabrielle Deveber

  • 1Division of Neurology, The Hospital for Sick Children, Toronto, ON, Canada.

Insights

Pediatric craniocervical arterial dissection, a cause of stroke, often results from trauma or is idiopathic. Outcomes vary, with complete recovery in 43% and further study needed on angiographic results and recurrent strokes.

Area of Science:

  • Pediatric Neurology
  • Vascular Neurology
  • Pediatric Stroke

Background:

  • Craniocervical arterial dissection is a known cause of arterial ischemic stroke in children.
  • Characteristics of pediatric craniocervical arterial dissection compared to adults are not well-defined.

Purpose of the Study:

  • To investigate the clinical presentation, characteristics, and outcomes of craniocervical arterial dissection in children.
  • To compare pediatric dissection features with those typically seen in adults.

Main Methods:

  • Retrospective review of pediatric patients (1 month to 18 years) with dissection from two Canadian pediatric ischemic stroke registries.
  • Analysis of clinical data, including symptoms, trauma history, affected vessels, and treatment.

Main Results:

  • 16 out of 213 (7.5%) pediatric ischemic stroke patients had dissection.
  • Common presentations included headache (44%) and focal deficits (87.5%); 50% had head/neck trauma.
  • Extracranial vessels were involved in 75%; 43% achieved complete recovery, while 13% had severe deficits.

Conclusions:

  • The primary causes of pediatric arterial dissection appear to be trauma or idiopathic.
  • Angiographic outcomes are variable and depend on initial findings; total occlusion correlates with poorer recanalization.
  • Further research is needed to understand the link between angiographic outcomes and recurrent strokes in pediatric dissection.