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Different effects of atherogenic lipoproteins and blood pressure on arterial structure and function: the Bogalusa

Wei Chen1, Sathanur R Srinivasan, Shengxu Li

  • 1Tulane Center for Cardiovascular Health and the Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA 70112, USA.

Journal of Clinical Hypertension (Greenwich, Conn.)
|May 12, 2006
PubMed

Insights

Non-high-density lipoprotein cholesterol impacts arterial wall thickness, while blood pressure affects arterial stiffness. These factors play distinct roles in atherosclerosis development, irrespective of race.

Area of Science:

  • Cardiovascular Science
  • Atherosclerosis Research

Background:

  • Arterial wall thickness and stiffness are key indicators of cardiovascular health.
  • Understanding the differential roles of lipoproteins and blood pressure is crucial for preventing atherosclerosis.

Purpose of the Study:

  • To investigate the distinct effects of non-high-density lipoprotein cholesterol and blood pressure on arterial wall thickness and stiffness.
  • To examine potential racial differences in these associations.

Main Methods:

  • Cross-sectional study of 900 Black and White adults (aged 24-43).
  • Measured pulse wave velocity (arterial stiffness) and carotid artery intima-media thickness (arterial wall thickness).
  • Analyzed associations with non-high-density lipoprotein cholesterol and systolic blood pressure, adjusting for covariates.

Main Results:

  • Black adults exhibited higher pulse wave velocity and carotid intima-media thickness compared to White adults.
  • Non-high-density lipoprotein cholesterol was associated with carotid intima-media thickness but not pulse wave velocity.
  • Systolic blood pressure showed a stronger association with pulse wave velocity than with carotid intima-media thickness.
  • No significant race differences were observed in the relationships between risk factors and arterial parameters.

Conclusions:

  • Atherogenic lipoproteins and blood pressure exert differential influences on arterial stiffness and atherosclerosis.
  • Non-high-density lipoprotein cholesterol is linked to structural changes (thickness), while blood pressure is linked to functional changes (stiffness).
  • These findings highlight distinct pathways in cardiovascular disease development.

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