Association between small dense low-density lipoprotein and carotid intima-media thickness

Mohsen Khosravi1, Farhad Sheikhnia2,3, Mohammad Reza Pashaei4

  • 1Department of Biochemistry, Faculty of Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran.

Insights

Small dense low-density lipoprotein (sdLDL) concentration positively correlates with carotid intima-media thickness (cIMT). Combining sdLDL and cIMT offers a more precise assessment for cardiovascular disease and atherosclerosis.

Area of Science:

  • Cardiovascular research
  • Biomarker analysis
  • Atherosclerosis studies

Background:

  • Cardiovascular disease (CVD) and atherosclerosis are leading global causes of mortality.
  • Early diagnosis via predictive markers can reduce CVD-related deaths.
  • Low-density lipoprotein (LDL) cholesterol is a key biomarker, with small dense LDL (sdLDL) being more atherogenic than standard LDL.

Purpose of the Study:

  • To review the relationship between small dense LDL (sdLDL) concentration and carotid intima-media thickness (cIMT).
  • To evaluate the combined utility of sdLDL and cIMT as markers for cardiovascular disease and atherosclerosis.
  • To highlight the potential of these markers for early and accurate diagnosis.

Main Methods:

  • Literature review synthesizing existing studies on sdLDL and cIMT.
  • Analysis of correlations between sdLDL levels and cIMT measurements.
  • Examination of sdLDL as a superior CVD marker compared to standard LDL.

Main Results:

  • A positive correlation was observed between sdLDL concentration and cIMT.
  • sdLDL is identified as a more atherogenic LDL subclass.
  • Carotid intima-media thickness (cIMT) is a reliable marker for early CVD detection.

Conclusions:

  • sdLDL concentration is positively associated with cIMT.
  • The combined assessment of sdLDL and cIMT enhances the precision of disease evaluation.
  • This combined approach is particularly beneficial for assessing atherosclerosis and facilitating early diagnosis of cardiovascular disease.