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Related Experiment Videos

Dyslipoproteinemic changes in borderline hypertension

C Lemne1, A Hamsten, F Karpe

  • 1Division of Cardiovascular Medicine, King Gustaf V Research Institute, Karolinska Hospital, Stockholm, Sweden.

Hypertension (Dallas, Tex. : 1979)
|November 1, 1994
PubMed
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Men with borderline hypertension show altered lipid profiles, including higher triglycerides and lower HDL cholesterol. These dyslipoproteinemic changes, linked to obesity, highlight early cardiovascular risks.

Area of Science:

  • Cardiovascular Health
  • Lipid Metabolism
  • Hypertension Research

Background:

  • Borderline hypertension is a precursor to established hypertension.
  • Lipoprotein metabolism plays a crucial role in cardiovascular disease development.
  • Understanding lipid profiles in early hypertension is vital for risk stratification.

Purpose of the Study:

  • To investigate plasma lipoprotein, lipase activities, and insulin levels in men with borderline hypertension.
  • To compare these markers between borderline hypertensive and normotensive individuals.
  • To identify potential enzymatic involvement in observed lipid alterations.

Main Methods:

  • Cross-sectional study comparing borderline hypertensive (BP 85-94 mm Hg) and normotensive men (BP ≤80 mm Hg).

Related Experiment Videos

  • Analysis of plasma lipoproteins, including high-density lipoprotein (HDL) subclasses, lipoprotein lipase, hepatic lipase, and insulin.
  • Statistical comparison of biochemical markers between groups.

    • Main Results:

    • Borderline hypertensive men exhibited elevated very-low-density lipoprotein (VLDL) cholesterol and triglycerides, and reduced HDL cholesterol.
    • Specific HDL subclasses showed alterations: lower HDL2b and higher HDL3b and HDL3c concentrations.
    • Increased hepatic lipase activity was observed in the borderline group; most differences normalized after adjusting for BMI and insulin, except for HDL3b and HDL3c.

    Conclusions:

    • Dyslipoproteinemic changes, characterized by altered HDL profiles, are present in early hypertension.
    • While many lipid changes are associated with obesity and insulin levels, specific HDL alterations persist.
    • These findings suggest a complex interplay of metabolic factors in the development of cardiovascular risk in borderline hypertension.