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Updated: May 7, 2026

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats
Published on: April 21, 2017
A single-site retrospective study of pediatric arterial ischemic stroke etiology, clinical presentation, and
Dan Sun1, Xiao-Man Wu, Zeng-Wu Wang
1Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China; Department of Neurology, Wuhan Children's Hospital, Wuhan, Hubei 430016, China.
Insights
Pediatric arterial ischemic stroke (PAIS) is more common in younger children, often presenting with convulsions. Etiologies and affected brain regions in children differ from adults, requiring further investigation.
Area of Science:
- Neurology
- Pediatrics
- Radiology
Background:
- Stroke, characterized by cerebral blood circulation obstruction, typically affects older adults.
- Pediatric arterial ischemic stroke (PAIS) is a rare but significant neurological event in children.
- Understanding PAIS is crucial due to its distinct characteristics compared to adult stroke.
Purpose of the Study:
- To investigate the causes (etiology) of pediatric arterial ischemic stroke (PAIS).
- To describe the clinical symptoms and presentation of PAIS in children.
- To identify the radiologic features and locations of neurological deficits in pediatric stroke patients.
Main Methods:
- Retrospective review of medical records for 42 pediatric patients diagnosed with PAIS.
- Cerebral infarction locations identified using computed tomography and magnetic resonance (MR) imaging.
- Arterial stenosis or occlusion assessed via MR angiography and digital subtraction angiography.
Main Results:
- PAIS predominantly affected younger children (≤ 3 years old), accounting for 66.7% of cases.
- Convulsions were a more frequent initial symptom in younger children (≤ 3 years), while older children (>3 years) presented with symptoms like hemiparalysis and aphasia.
- Common etiologies included infections (38.1%), iron deficiency anemia (16.7%), and moyamoya syndrome (11.9%). Predominant infarct locations were the middle cerebral artery and basal ganglia.
Conclusions:
- Pediatric arterial ischemic stroke (PAIS) occurs more frequently in younger children, with convulsions being a common presenting symptom.
- The etiologies and affected cerebral regions in PAIS may differ significantly from adult stroke.
- Further research is needed to fully understand the distinct features of PAIS and its various forms.
Background:
Stroke occurs upon obstruction of cerebral blood circulation and is clinically characterized by sudden onset symptoms. Advanced age is the main risk factor of stroke, but cases of pediatric stroke have been rarely reported. This study aimed to determine the etiology, clinical presentation, and radiologic features of neurological deficit for pediatric arterial ischemic stroke (PAIS).
Methods:
The medical records of 42 PAIS patients (age range: 9 months to 13 years) treated at Wuhan Children's Hospital between July 2007 and January 2011 were retrospectively reviewed. Infarction location was first determined by craniocerebral computed tomography and magnetic resonance (MR) imaging. The stenotic or occluded main cerebral arteries and/or branches were determined by MR angiography and digital subtraction angiography.
Results:
The majority of the 42 PAIS cases (66.7%, n = 28) were ≤ 3 years old (vs. >3 years old: 33.3%, n = 14; P<0.05), but the male: female ratio was similar in both groups (P > 0.05). The most frequently reported signs and symptoms for both age groups were limited physical activity followed by convulsions and delirium, but convulsions were more prevalent in children ≤ 3 years-old. Children > 3 years-old mainly experienced the limited physical activity symptoms, including hemiparalysis, aphasia, and ataxia. For all 42 cases, the most frequent etiologies were infections (38.1%, n = 16), iron deficiency anemia (16.7%, n = 7), and moyamoya syndrome (11.9%, n = 5). The predominant infarcts among all cases were middle cerebral artery (63.6%, n = 21) and basal ganglia (64.3%, n = 27).
Conclusions:
PAIS occurs more frequently in younger children and this group most frequently presents with convulsion as the initial symptom. The overall etiologies of PAIS may be different from those of adult stroke and the involved regions may be distinguishing features of PAIS or its different forms, but more research is required.
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