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Related Concept Videos

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.
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
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Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

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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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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
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Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
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Updated: Aug 9, 2025

Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters
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Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters

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PM2.5 and Cardiovascular Health Risks.

Chayakrit Krittanawong1, Yusuf Kamran Qadeer2, Richard B Hayes3

  • 1Cardiology Division, NYU Langone Health and NYU School of Medicine, New York, NY.

Current Problems in Cardiology
|February 24, 2023
PubMed
Summary
This summary is machine-generated.

Exposure to fine particulate matter (PM2.5) significantly increases risks for cardiovascular disease (CVD) and all-cause mortality. Current air quality standards are insufficient to protect against these health effects, necessitating clinical guidelines for mitigation.

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Area of Science:

  • Environmental Health
  • Cardiovascular Medicine
  • Epidemiology

Background:

  • Particulate matter (PM2.5) is linked to adverse health outcomes, especially cardiovascular risks.
  • Existing cardiovascular disease (CVD) guidelines primarily address metabolic factors, not air pollution.
  • Lack of clinical guidelines for air pollution prevention of cardiovascular health risks.

Conclusions:

  • Elevated PM2.5 exposure is a significant risk factor for all-cause mortality, cardiovascular disease, and cardiovascular mortality.
  • Current federal air quality standards are insufficient to prevent PM2.5-related CVD health effects.
  • Clinicians should consider PM2.5 as a modifiable cardiovascular risk factor and advocate for specific clinical guidelines.