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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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Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
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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 (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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Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
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Air pollution and atherosclerosis.

Anusha N Seneviratne1, Mark R Miller2

  • 1Department of Health Studies, Royal Holloway University of London, Egham, UK.

Atherosclerosis
|May 24, 2025
PubMed
Summary
This summary is machine-generated.

Air pollution significantly contributes to cardiovascular disease by promoting atherosclerosis, a key factor in heart attacks and strokes. Reducing air pollutant exposure offers substantial cardiovascular health benefits.

Keywords:
Air pollutionatherosclerosiscardiovascularparticulate matter

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Area of Science:

  • Environmental Health
  • Cardiovascular Medicine
  • Toxicology

Background:

  • Air pollution is a major global health concern, linked to significant cardiovascular mortality and morbidity.
  • Atherosclerosis, a vascular disease characterized by plaque buildup, underlies many cardiovascular events like stroke and myocardial infarction.
  • Air pollution exposure, both acute and chronic, can worsen various aspects of atherosclerosis.

Purpose of the Study:

  • To review the epidemiological evidence linking air pollution exposure to morphological measures of atherosclerosis.
  • To summarize the biological mechanisms through which air pollution promotes atherosclerosis at different disease stages.
  • To offer a perspective on the evidence and recommend future research directions.

Main Methods:

  • Review of epidemiological studies correlating air pollution exposure with atherosclerosis markers (e.g., carotid intimal media thickness, coronary and aortic calcification).
  • Synthesis of current knowledge on biological pathways explaining air pollution's role in atherosclerosis development.
  • Critical evaluation of the existing evidence base.

Main Results:

  • Epidemiological data show associations between air pollution exposure and increased atherosclerosis burden.
  • Biological mechanisms involve inflammation, oxidative stress, and endothelial dysfunction, contributing to plaque formation and rupture.
  • The evidence strongly supports a causal link between air pollution and atherosclerosis progression.

Conclusions:

  • Air pollution is a significant environmental risk factor for atherosclerosis and subsequent cardiovascular events.
  • Minimizing exposure to air pollutants presents a critical opportunity for public health to reduce cardiovascular pathology.
  • Urgent action is needed to mitigate air pollution's impact on cardiovascular health.