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Related Concept Videos

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...
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.
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...
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...
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...
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...

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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
06:01

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Pediatric arterial ischemic stroke.

Timothy J Bernard1, Neil A Goldenberg

  • 1Mountain States Regional Hemophilia and Thrombosis Center, Aurora, CO 80045-0507, USA. timothy.bernard@uchsc.edu

Hematology/Oncology Clinics of North America
|February 2, 2010
PubMed
Summary
This summary is machine-generated.

Childhood arterial ischemic stroke (AIS) differs from adult stroke, with unique risk factors like clotting disorders and nonatherosclerotic arteriopathies. This review covers epidemiology, diagnosis, and management of pediatric AIS.

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Area of Science:

  • Pediatric Neurology
  • Vascular Neurology
  • Pediatric Stroke Research

Background:

  • Arterial ischemic stroke (AIS) in children is rare and distinct from adult stroke.
  • Childhood AIS involves unique risk factors, including prothrombotic abnormalities and nonatherosclerotic large vessel arteriopathies.
  • Understanding these differences is crucial for effective diagnosis and management.

Purpose of the Study:

  • To review the epidemiology and etiologies of neonatal and childhood AIS.
  • To discuss clinical characterization, diagnostic evaluation, and management strategies for pediatric AIS.
  • To consider long-term outcomes and identify key areas for future research.

Main Methods:

  • Literature review focusing on pediatric arterial ischemic stroke.
  • Synthesis of current evidence on epidemiology, risk factors, and pathogenesis.
  • Discussion of diagnostic and management approaches based on existing research.

Main Results:

  • Childhood AIS presents differently than adult stroke.
  • Prothrombotic disorders and arteriopathies are significant contributors to pediatric AIS.
  • Evidence-based approaches to diagnosis and management are evolving.

Conclusions:

  • Pediatric AIS requires specialized diagnostic and management protocols.
  • Further research is needed to elucidate underlying mechanisms and optimize long-term outcomes.
  • Addressing neuromotor, speech, cognitive, and behavioral deficits is essential for affected children.