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Related Concept Videos

Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

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Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Atherosclerosis I: Introduction01:30

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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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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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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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Coronary Artery Disease I: Introduction01:30

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Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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Related Experiment Video

Updated: Mar 11, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
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Arterial calcification: A new perspective?

R Nicoll1, M Henein1

  • 1Department of Public Health and Clinical Medicine, Umeå University, Heart Centre, Umea, Sweden.

International Journal of Cardiology
|November 19, 2016
PubMed
Summary

Arterial calcification may be a protective immune response to endothelial injury, not a disease progression. Treating the causes of endothelial injury, rather than calcification itself, is proposed.

Keywords:
Arterial calcificationPlaque ruptureResponse to injury

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Area of Science:

  • Cardiovascular Research
  • Nephrology
  • Immunology

Background:

  • Arterial calcification is prevalent in atherosclerosis, chronic kidney disease (CKD), and diabetes.
  • Current understanding views calcification as a pathological progression, with no effective regression treatments; lipid-lowering therapies may exacerbate it.
  • Existing research links calcification to biomarkers but lacks a unifying mechanism for its diverse associations with cardiovascular events.

Purpose of the Study:

  • To challenge the conventional view of arterial calcification as a pathological process.
  • To propose a novel hypothesis for the pathogenesis of arterial calcification.
  • To suggest a new therapeutic strategy focusing on endothelial injury.

Main Methods:

  • Review of existing literature on arterial calcification, atherosclerosis, CKD, and diabetes.
  • Analysis of associations between calcification, biomarkers, and cardiovascular events.
  • Formulation of a new hypothesis based on immunological principles.

Main Results:

  • Arterial calcification is observed across various conditions and is not consistently causal in cardiovascular events.
  • Calcification's presence or absence can predict plaque rupture, suggesting a complex, non-pathological role.
  • Lipid-lowering therapies do not regress calcification and may worsen it, contradicting a purely pathological model.

Conclusions:

  • Arterial calcification is hypothesized to be an immune response to endothelial injury, acting as a defense mechanism.
  • This immune response hypothesis explains calcification's protective role against plaque rupture and its unresponsiveness to lipid-lowering agents.
  • Future research and treatment should focus on preventing and treating endothelial injury, not arterial calcification itself.