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Published on: November 17, 2018
Small dense LDL: risk factor for coronary artery disease (CAD) and its therapeutic modulation
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.
Abstract:
Pathogenesis of coronary artery disease (CAD) is multi-factorial and many risk factors are associated with development of CAD. LDL-C has been an important target for therapeutic interventions and has been extensively studied. But, various studies have indicated that estimation of LDL-C is not enough to assess the risk. Moreover, LDL particles vary in their content, density and size which have different physico-chemical properties. In this paper, the role of small dense (sd) LDL in risk assessment for CAD and its response to different therapeutic modalities available have been reviewed.
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