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[Pathomorphological features of atherosclerotic plaques in acute coronary syndrome]

T P Shlychkova1, N M Cherpachenko, P V Chumachenko

  • 1Cardiology Research Complex, ul. Tretiya Cherepkovskaya 15a, 121552 Moscow, Russia.

Kardiologiia
|December 13, 2003
PubMed

Insights

Atherosclerotic plaques in coronary arteries show two unstable types: lipid-rich and dystrophic-necrotic. Lipid plaques, common with high blood lipids, often feature inflammation and fibrous cap rupture.

Area of Science:

  • Cardiovascular Pathology
  • Atherosclerosis Research
  • Histopathology

Context:

  • Investigated coronary artery cross-sections from 45 myocardial infarction victims (41-79 years old).
  • Examined both stable and unstable atherosclerotic plaques.
  • Characterized plaque composition and associated inflammatory responses.

Purpose:

  • To differentiate types of unstable atherosclerotic plaques.
  • To identify factors linked to fibrous cap rupture.
  • To correlate plaque types with blood lipid levels.

Summary:

  • All studied coronary arteries contained stable and unstable atherosclerotic plaques.
  • Unstable plaques were predominantly lipid (75.6%) or dystrophic-necrotic (24.4%).
  • Lipid plaques showed inflammatory reactions and were more common in individuals with elevated blood lipids, while dystrophic-necrotic plaques were associated with normal lipid levels.

Impact:

  • Provides insights into the heterogeneity of atherosclerotic plaques.
  • Highlights potential differences in plaque vulnerability based on lipid profiles.
  • Contributes to understanding mechanisms of acute myocardial infarction.

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