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Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats
07:56

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats

Published on: April 21, 2017

Characteristics of childhood arterial ischemic stroke with normal MR angiography

Pinki Munot1, Dawn Saunders, Vijeya Ganesan

  • 1Department of Neurology, Great Ormond Street Hospital, London WC1N 3JH, UK. munotp@gosh.nhs.uk

Stroke
|January 4, 2011
PubMed

Insights

Children with arterial ischemic stroke and normal MRA are more likely to have single-territory lesions and nonvascular risk factors. The exact stroke mechanism in these pediatric patients remains unclear.

Area of Science:

  • Pediatric Neurology
  • Neuroimaging
  • Stroke Medicine

Background:

  • Arterial ischemic stroke (AIS) in children presents unique diagnostic challenges.
  • Magnetic Resonance Angiography (MRA) is crucial for identifying vascular abnormalities in AIS.
  • Understanding AIS in children with normal MRA findings is essential for diagnosis and management.

Purpose of the Study:

  • To characterize the clinical and radiological features of pediatric AIS with normal MRA.
  • To compare these characteristics with pediatric AIS cases exhibiting abnormal MRA.

Main Methods:

  • Retrospective review of clinical records and neuroimaging data.
  • Analysis of demographic, clinical, and radiological findings in children with AIS.
  • Comparison between AIS patients with normal MRA versus abnormal MRA.

Main Results:

  • Forty children with AIS and normal MRA were identified, with a median MRA acquisition time of 4 days.
  • Risk factors included prior diagnoses (cardiac, malignancies) and prothrombotic abnormalities; 14 had prothrombotic abnormalities.
  • Children with normal MRA were more likely to have single-territory infarcts (lenticulostriate branches) and nonvascular risk factors, unlike those with abnormal MRA who had multiple infarcts and higher recurrence rates.

Conclusions:

  • Pediatric AIS patients with normal MRA are not a distinct demographic group.
  • These patients often present with single-territory lesions and nonvascular risk factors.
  • The underlying stroke mechanism in pediatric AIS with normal MRA requires further investigation.
Abstract

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