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Related Concept Videos

Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

46
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...
46
Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

31
Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
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Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

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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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Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

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Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
65
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

22
Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
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Updated: Aug 21, 2025

Aggravation of Myocardial Ischemia upon Particulate Matter Exposure in Atherosclerosis Animal Model
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Pollution and coronary risk: how much does it matter?

Francesca Muscente1, Raffaele de Caterina1

  • 1Floraspe-Renzetti Hospital, ASL Lanciano-Vasto-Chieti, Lanciano.

European Heart Journal Supplements : Journal of the European Society of Cardiology
|November 16, 2022
PubMed
Summary

Fine particulate matter (PM2.5) air pollution significantly impacts cardiovascular health, increasing risks for heart disease and acute coronary events. Public health and environmental policies are crucial for reducing exposure, especially for high-risk individuals.

Keywords:
Air pollutionCoronary atherothrombosisInflammationOxidative stressParticulate matter

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Area of Science:

  • Environmental Health
  • Cardiovascular Medicine
  • Public Health

Background:

  • Air pollutants encompass gaseous substances and particulate matter (PM), with varying health impacts.
  • Fine particulate matter, specifically PM2.5, is strongly linked to adverse cardiovascular events.
  • Existing research highlights PM2.5's role in inflammation, oxidative stress, atherosclerosis, and cardio-metabolic risk factors.

Purpose of the Study:

  • To summarize the significant impact of fine particulate matter (PM2.5) on cardiovascular health.
  • To differentiate the effects of prolonged versus short-term exposure to PM2.5 on cardiovascular events.
  • To emphasize the public health implications and the need for preventive strategies and environmental policies.

Main Methods:

  • Review of experimental and clinical studies on air pollutant effects.
  • Analysis of evidence concerning PM2.5 exposure and cardiovascular outcomes.
  • Examination of mechanisms including inflammation and oxidative stress.

Main Results:

  • Prolonged PM2.5 exposure is associated with atherosclerosis development and cardio-metabolic risk factors.
  • Short-term PM2.5 exposure acts as a trigger for acute coronary events, particularly in individuals with pre-existing coronary artery disease.
  • PM2.5 is identified as a major global public health risk element.

Conclusions:

  • Environmental PM2.5 poses a significant threat to public health, necessitating urgent attention.
  • Preventive measures are essential, especially for high-risk populations.
  • Effective environmental policies to reduce PM2.5 exposure are critical.