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Related Concept Videos

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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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 Videos

Relationship between epicardial fat and coronary microvascular dysfunction.

Mohammd Sadegh Parsaei, Maryam Nabati1, Jamshid Yazdani

  • 1Department of Cardiology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran. Dr.Mr.Nabati@gmail.com.

Kardiologia Polska
|December 3, 2013
PubMed
Summary
This summary is machine-generated.

Increased epicardial fat thickness (EFT) is linked to higher risks of angina and adverse outcomes, even without epicardial coronary artery disease. This finding highlights EFT as a potential marker for coronary microvascular dysfunction.

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Area of Science:

  • Cardiology
  • Vascular Biology
  • Diagnostic Imaging

Background:

  • Coronary microvascular dysfunction (CMVD) is implicated in patients with ischemic chest pain and normal epicardial arteries.
  • The therapeutic impact on clinical outcomes for CMVD requires further investigation.

Purpose of the Study:

  • To investigate the association between coronary microvascular dysfunction (CMVD) and epicardial fat thickness (EFT).

Main Methods:

  • A case-controlled study included 124 patients (aged 40-91).
  • Patients underwent exercise electrocardiogram, transthoracic echocardiography, and coronary angiography if indicated.
  • Epicardial fat thickness (EFT) was measured via echocardiography in patients without coronary artery disease.

Main Results:

  • Significantly higher EFT was observed in patients with positive exercise tests and normal epicardial arteries compared to those with negative tests (p < 0.001).
  • Lower HDL-cholesterol levels were noted in patients with positive exercise tests and normal epicardial arteries (p < 0.0001).

Conclusions:

  • Elevated epicardial fat thickness (EFT) correlates with an increased risk of angina, recurrent hospitalizations, and adverse cardiovascular outcomes.
  • Increased EFT may serve as a marker for risk in patients with normal epicardial coronary arteries, suggesting underlying microvascular issues.