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Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

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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...
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Pulmonary Hypertension: Classification and Pathogenesis01:30

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Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
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Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

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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)...
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Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
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Coronary Artery Disease II: Pathophysiology01:26

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Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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Related Experiment Video

Updated: Aug 29, 2025

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice
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Pathogenesis and research progress in leukoaraiosis.

Lingqi Sun1,2, Lin Hui3, Yi Li4

  • 1Department of Medical Oncology, West China Hospital, Sichuan University, Chengdu, China.

Frontiers in Human Neuroscience
|September 5, 2022
PubMed
Summary

Leukoaraiosis, a marker of small vessel disease, is increasingly linked to cognitive decline and stroke mortality. Understanding its risk factors is crucial for clinical management and improving patient outcomes.

Keywords:
cerebral small vessel diseaseclinical featuresimaging featuresleukoaraiosispathogenesisresearch progress

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Area of Science:

  • Neurology
  • Radiology
  • Cerebrovascular Diseases

Background:

  • Leukoaraiosis is a prevalent imaging finding associated with cerebral small vessel disease.
  • Advances in brain imaging have increased leukoaraiosis detection rates and highlighted its clinical subtypes.
  • Previously considered incidental, leukoaraiosis is now recognized for its association with cognitive impairment and post-stroke mortality.

Purpose of the Study:

  • To comprehensively review recent literature on leukoaraiosis.
  • To elucidate the pathogenesis, imaging features, and clinical manifestations of leukoaraiosis.
  • To address inconsistencies in research findings and emphasize the clinical significance of studying leukoaraiosis risk factors.

Main Methods:

  • Systematic literature review of recent studies on leukoaraiosis.
  • Analysis of research methodologies to identify inconsistencies.
  • Synthesis of findings related to pathogenesis, imaging, and clinical features.

Main Results:

  • Growing evidence links leukoaraiosis to adverse clinical outcomes, including cognitive impairment and increased mortality risk.
  • Inconsistencies in current research highlight the need for standardized methodologies.
  • The review synthesizes diverse aspects of leukoaraiosis, from its underlying mechanisms to its clinical impact.

Conclusions:

  • Leukoaraiosis is a significant indicator of cerebral small vessel disease with substantial clinical implications.
  • Further research into the risk factors and clinical significance of leukoaraiosis is essential.
  • A deeper understanding of leukoaraiosis is vital for improved patient management and prognostication.