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Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
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...
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...
Arteries of the Head and Neck01:26

Arteries of the Head and Neck

The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...

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Related Experiment Video

Updated: May 8, 2026

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability
09:11

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability

Published on: February 23, 2016

Intracranial atherosclerosis.

Adnan I Qureshi1, Louis R Caplan2

  • 1Zeenat Qureshi Stroke Institute and CentraCare Health, St Cloud, MN, USA.

Lancet (London, England)
|September 7, 2013
PubMed
Summary
This summary is machine-generated.

Intracranial atherosclerosis, a condition affecting brain arteries, is linked to age, hypertension, and diabetes. Early diagnosis and treatment, including medications and procedures, are crucial to prevent recurrent ischemic strokes.

Related Experiment Videos

Last Updated: May 8, 2026

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability
09:11

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability

Published on: February 23, 2016

Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Vascular Surgery

Background:

  • Atherosclerotic disease commonly affects intracranial arteries, both within and outside the cranial bones.
  • Key risk factors for intracranial atherosclerosis include advanced age, hypertension, and diabetes mellitus.
  • This condition can lead to thromboembolism and/or hypoperfusion, causing transient or permanent cerebral ischemic events.

Purpose of the Study:

  • To highlight the significance of intracranial atherosclerosis.
  • To emphasize the need for early diagnosis and prompt treatment of intracranial atherosclerosis.
  • To outline current therapeutic strategies for managing intracranial atherosclerosis.

Main Methods:

  • Review of existing literature on intracranial atherosclerosis.
  • Analysis of risk factors associated with the condition.
  • Summary of current treatment modalities.

Main Results:

  • Intracranial atherosclerosis is associated with significant risk factors like age, hypertension, and diabetes.
  • The condition poses a high risk for recurrent ischemic stroke and other cardiovascular events.
  • Current treatments involve antiplatelet drugs, blood pressure and cholesterol management, and revascularization procedures.

Conclusions:

  • Intracranial atherosclerosis requires early detection and management due to high recurrence rates.
  • A multi-faceted treatment approach is necessary for effective patient outcomes.
  • Further research may refine treatment protocols for intracranial atherosclerosis.