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The anti-atherosclerotic effects of lipid lowering with atorvastatin in patients with hypercholesterolemia

Kazuyuki Ozaki1, Takaaki Kubo, Ryuta Imaki

  • 1Division of Cardiology, Niigata University Graduate School of Medical & Dental Sciences, Niigata, Japan. k-ozaki@hosp.niigata.niigata.jp

Journal of Atherosclerosis and Thrombosis
|August 16, 2006
PubMed

Insights

Atorvastatin significantly lowered lipids and reduced intima-media thickness in hypercholesterolemia patients over 12 months. This suggests atorvastatin may improve atherosclerosis by lowering cholesterol and C-reactive protein.

Area of Science:

  • Cardiology
  • Pharmacology
  • Vascular Biology

Background:

  • Hypercholesterolemia is a major risk factor for atherosclerosis.
  • Statins are primary agents for managing high cholesterol.
  • Understanding atorvastatin's comprehensive effects is crucial for cardiovascular disease prevention.

Purpose of the Study:

  • To evaluate the lipid-lowering and anti-atherosclerotic effects of atorvastatin in hypercholesterolemia patients.
  • To assess changes in serum lipids, intima-media thickness (IMT), and arterial stiffness.
  • To investigate the impact on specific lipid markers and inflammatory markers.

Main Methods:

  • A 12-month study involving 30 hypercholesterolemia patients treated with atorvastatin 10 mg daily.
  • Regular assessment of serum lipids, IMT, and brachial-ankle pulse wave velocity (ba-PWV).
  • Measurement of remnant-like particle-cholesterol (RLP-C), lipoprotein (a) (Lp(a)), and high-sensitivity C-reactive protein (hs-CRP) at baseline and 6 months.

Main Results:

  • Significant reductions in total cholesterol (32%), triglycerides (23%), and LDL cholesterol (44%) sustained at 12 months.
  • A notable decrease in IMT from 0.88 mm to 0.76 mm at 6 months, maintained at 0.75 mm at 12 months.
  • Significant reductions in RLP-C and hs-CRP, but no change in Lp(a) or ba-PWV.

Conclusions:

  • Atorvastatin effectively lowers serum lipids in hypercholesterolemia patients.
  • The reduction in IMT suggests a potential anti-atherosclerotic effect of atorvastatin.
  • Atorvastatin demonstrates pleiotropic effects beyond lipid-lowering, including reduced inflammation.

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