Small dense LDL: risk factor for coronary artery disease (CAD) and its therapeutic modulation

Suman B Sharma1, Seema Garg

  • 1Department of Biochemistry, University College of Medical Sciences & GTB Hospital, University of Delhi, Delhi 110095, India. drsbs08@hotmail.com

Insights

Small dense low-density lipoprotein (sdLDL) offers better coronary artery disease (CAD) risk assessment than LDL-C alone. Reviewing sdLDL

Area of Science:

  • Cardiovascular Medicine
  • Lipid Metabolism
  • Atherosclerosis Research

Background:

  • Coronary artery disease (CAD) pathogenesis is multifactorial, involving numerous risk factors.
  • Low-density lipoprotein cholesterol (LDL-C) is a key therapeutic target, but its estimation alone may be insufficient for comprehensive risk assessment.
  • Low-density lipoprotein (LDL) particles exhibit heterogeneity in size, density, and composition, influencing their atherogenic potential.

Purpose of the Study:

  • To review the role of small dense (sd) LDL in assessing CAD risk.
  • To examine the response of sdLDL to various available therapeutic interventions.

Main Methods:

  • Literature review of studies investigating small dense LDL.
  • Analysis of the relationship between sdLDL levels and CAD risk.
  • Evaluation of therapeutic strategies targeting sdLDL.

Main Results:

  • Small dense LDL particles possess distinct physico-chemical properties contributing to increased cardiovascular risk.
  • Standard LDL-C measurements may not fully capture the atherogenic risk associated with sdLDL.
  • Certain therapeutic modalities demonstrate varying efficacy in modifying sdLDL levels.

Conclusions:

  • Small dense LDL is a significant, independent risk factor for coronary artery disease.
  • Incorporating sdLDL assessment into clinical practice may enhance cardiovascular risk stratification.
  • Further research is warranted to optimize therapeutic approaches targeting sdLDL for CAD prevention.

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