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Updated: Jan 22, 2026

The Hypoxic Ischemic Encephalopathy Model of Perinatal Ischemia
Published on: November 19, 2008
Perinatal arterial ischemic stroke
Miriam Martinez-Biarge1, Donna M Ferriero2, Frances M Cowan1
1Department of Paediatrics, Hammersmith Hospital, London, United Kingdom.
Insights
Perinatal arterial ischemic stroke (PAIS) is a common, serious neurological issue in infants. Early diagnosis and management are crucial for predicting outcomes and supporting affected children and families.
Area of Science:
- Neurology
- Pediatrics
- Neonatology
Background:
- Perinatal arterial ischemic stroke (PAIS) is a significant neurological disorder affecting newborns.
- It can lead to substantial long-term disabilities in affected infants.
Purpose of the Study:
- To provide a comprehensive overview of perinatal arterial ischemic stroke.
- To discuss current understanding of etiology, pathophysiology, classification, presentation, and early management.
- To highlight the role of neuroimaging in outcome prediction and recent treatment advancements.
Main Methods:
- Review of current literature on perinatal arterial ischemic stroke.
- Discussion of diagnostic modalities, including brain imaging.
- Synthesis of information on management, outcomes, and support strategies.
Main Results:
- PAIS affects fetuses, preterm, and term infants, often resulting in lasting neurological deficits.
- Brain imaging plays a critical role in assessing lesion extent and predicting prognosis.
- Advances in treatment necessitate early diagnosis and understanding of potential morbidities.
Conclusions:
- Optimal early management and diagnosis are imperative for improving outcomes in PAIS.
- Understanding the range of possible outcomes is essential for providing appropriate follow-up and family support.
- Continued research and knowledge dissemination are vital for addressing this serious condition.
Abstract:
Perinatal arterial ischemic stroke is a relatively common and serious neurologic disorder that can affect the fetus, the preterm, and the term-born infant. It carries significant long-term disabilities. Herein we describe the current understanding of its etiology, pathophysiology and classification, different presentations, and optimal early management. We discuss the role of different brain imaging modalities in defining the extent of lesions and the impact this has on the prediction of outcomes. In recent years there has been progress in treatments, making early diagnosis and the understanding of likely morbidities imperative. An overview is given of the range of possible outcomes and optimal approaches to follow-up and support for the child and their family in the light of present knowledge.
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