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Related Concept Videos

Stroke: Introduction and Types01:29

Stroke: Introduction and Types

A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...

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Related Experiment Video

Updated: Jun 24, 2026

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

[Stroke in neonates and children].

Y Béjot1, C Chantegret, G-V Osseby

  • 1Service de neurologie et registre dijonnais des AVC, CHU de Dijon, hôpital Général, 3, rue Faubourg-Raines, 21000 Dijon, France. ybejot@yahoo.fr

Revue Neurologique
|March 14, 2009
PubMed
Summary
This summary is machine-generated.

Pediatric stroke, including neonatal stroke, presents uniquely compared to adults. Advances in neonatal care and neuroimaging increase diagnosis frequency, necessitating specialized knowledge for effective management.

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Area of Science:

  • Neurology
  • Pediatrics
  • Neonatology

Context:

  • Pediatric stroke differs significantly from adult stroke in clinical presentation, risk factors, and prognosis.
  • Advances in neonatal resuscitation and neuroimaging are increasing the diagnosis of stroke in children and neonates.
  • Limited understanding of pediatric stroke epidemiology and specific management protocols exists compared to adult populations.

Purpose:

  • To review the current literature on the epidemiological and clinical features of stroke in neonates and children.
  • To identify the primary causes of ischemic and hemorrhagic stroke in the pediatric population.
  • To outline the specific acute management guidelines for pediatric stroke.

Summary:

  • Pediatric stroke exhibits distinct clinical features, with delayed presentation and rare aphasia, unlike adult stroke.
  • Common causes include cardiac embolism for ischemic stroke and arteriovenous malformations for hemorrhagic stroke in neonates and children.
  • Acute management strategies for pediatric stroke are age-specific and require specialized neurological expertise.

Impact:

  • Highlights the need for comprehensive knowledge of pediatric stroke among neurologists.
  • Emphasizes the unique challenges and specific approaches required for diagnosing and managing stroke in young patients.
  • Contributes to a better understanding of pediatric cerebrovascular disorders, potentially improving patient outcomes.