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A Model of Disturbed Flow-Induced Atherosclerosis in Mouse Carotid Artery by Partial Ligation and a Simple Method of RNA Isolation from Carotid Endothelium
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A Model of Disturbed Flow-Induced Atherosclerosis in Mouse Carotid Artery by Partial Ligation and a Simple Method of RNA Isolation from Carotid Endothelium

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Effects of blood lipid stability on progression of carotid atherosclerosis

Yu Ding1, Bo Li2, Feng Tian3

  • 1Yu Ding, Department of Cardiology, Chinese PLA General Hospital, Beijing 100853, China.

Pakistan Journal of Medical Sciences
|August 17, 2017
PubMed

Insights

Blood lipid stability, measured by the smoothness index (SI), is crucial for carotid atherosclerosis progression. Lower SI values indicate increased risk, highlighting its importance in managing cardiovascular health.

Area of Science:

  • Cardiovascular Medicine
  • Atherosclerosis Research
  • Lipid Metabolism

Background:

  • Carotid atherosclerosis is a significant risk factor for cardiovascular events.
  • Blood lipid levels and their stability are implicated in atherosclerotic plaque development.
  • Assessing lipid stability may offer new insights into atherosclerosis progression.

Purpose of the Study:

  • To investigate the association between blood lipid stability and the progression of carotid atherosclerosis.
  • To determine if lipid parameter variability over time predicts intima-media thickness changes.
  • To evaluate the utility of the smoothness index (SI) in assessing atherosclerosis risk.

Main Methods:

  • Retrospective analysis of lipid parameters (TC, TG, LDL-C, ApoAI, ApoB, ApoE, Lpa) in 416 patients over five years.
  • Calculation of the smoothness index (SI) for each lipid parameter.
  • Classification of patients into progression and non-progression groups based on carotid intima-media thickness changes via ultrasound.

Main Results:

  • Patients with progressing atherosclerosis exhibited significantly lower SI values for Total Cholesterol (TC), Triglycerides (TG), Low-Density Lipoprotein Cholesterol (LDL-C), Apolipoprotein B (ApoB), and Lipoprotein(a) (Lpa).
  • Cross-sectional lipid levels did not significantly differ between progression and non-progression groups for most parameters.
  • The smoothness index (SI) demonstrated a stronger correlation with atherosclerosis progression than cross-sectional lipid measurements.

Conclusions:

  • Blood lipid stability, as indicated by a lower smoothness index (SI), is significantly associated with the progression of carotid atherosclerosis.
  • The SI is a more sensitive indicator of atherosclerosis progression compared to single time-point lipid measurements.
  • Monitoring lipid stability may be valuable for predicting and managing cardiovascular risk.
Abstract

Keywords:
AtherosclerosisBlood lipidCarotid ArteryProgression

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