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Low High-Density Lipoprotein Cholesterol Predisposes to Coronary Artery Ectasia

Jamal Jafari1, Aner Daum1, Jihad Abu Hamed1

  • 1Cardiology Department, Barzilai University Medical Center, Hahistadrout St 2, 30604 Ashkelon, Israel.

Biomedicines
|October 9, 2019
PubMed

Insights

Low high-density lipoprotein cholesterol (HDL-C) and elevated hemoglobin are linked to increased risk of coronary artery ectasia (CAE). Lowering HDL-C may reduce CAE risk, while higher hemoglobin could predispose individuals to this condition.

Area of Science:

  • Cardiology
  • Vascular Biology
  • Metabolic Syndrome

Background:

  • Coronary Artery Ectasia (CAE) is defined as abnormal dilation of coronary arteries.
  • Understanding risk factors for CAE is crucial for early detection and management.
  • Previous research has not fully elucidated the role of lipid profiles and hemoglobin in CAE development.

Purpose of the Study:

  • To investigate the prevalence of acquired coronary ectasia.
  • To identify coronary risk factors associated with CAE.
  • To analyze the correlation between lipid profiles, hemoglobin, and CAE.

Main Methods:

  • Retrospective analysis of 4000 patients undergoing coronary angiography for suspected ischemic heart disease.
  • Selection of 171 patients, categorized into CAE, obstructive coronary artery disease, and control groups.
  • Statistical analysis to determine correlations and independent risk factors.

Main Results:

  • A significant negative correlation was found between high-density lipoprotein cholesterol (HDL-C) and CAE (r = -0.274, p < 0.001).
  • Independent risk factors for CAE included low HDL-C (OR, 0.858), elevated LDL-C/HDL-C ratio (OR, 1.987), and higher hemoglobin (OR, 2.060).
  • Increased HDL-C was associated with a 15% risk reduction, while elevated hemoglobin increased CAE risk twofold.

Conclusions:

  • Low HDL-C levels significantly increase the risk of developing CAE.
  • Elevated hemoglobin levels may predispose individuals to coronary artery dilation and aneurysm formation.
  • Disordered lipoprotein metabolism and altered hemoglobin values are potential predisposing factors for aneurysmal coronary artery disease.

Keywords:
Coronary artery ectasiaatherosclerosiscoronary artery aneurysmcoronary artery diseasehemoglobinhigh-density lipoprotein cholesterollow-density lipoprotein cholesterol

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