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Related Experiment Videos

[LDL phenotype A and B in ischemic stroke].

Tomasz Iskra1, Wojciech Turaj, Jadwiga Hartwich

  • 1Klinika Neurologii Collegium Medicum Uniwersytetu Jagiellońskiego, Botaniczna 3, 31-503 Kraków. mnszczud@rsipl.com

Przeglad Lekarski
|July 11, 2002
PubMed
Summary

Low-density lipoprotein (LDL) phenotype B is more common in ischemic stroke survivors, particularly those with large vessel disease. This LDL phenotype is linked to lower HDL cholesterol levels, suggesting a potential role in stroke risk.

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Area of Science:

  • Cardiovascular Science
  • Neurology
  • Metabolic Disorders

Context:

  • The role of lipid abnormalities in stroke risk is debated, partly due to limited analysis of specific LDL phenotypes.
  • Large vessel disease (LVD) and small vessel disease (SVD) are distinct causes of ischemic stroke with potentially different underlying risk factors.
  • LDL phenotype B is implicated in atherogenesis and ischemic heart disease, but its prevalence in specific stroke subtypes is not well-established.

Purpose:

  • To determine the prevalence of LDL phenotype B in ischemic stroke survivors with LVD and SVD.
  • To compare LDL phenotype B prevalence in stroke survivors versus controls.
  • To examine the association between LDL phenotypes and lipid profiles (HDL-cholesterol, LDL-cholesterol, triglycerides) in stroke survivors.

Summary:

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  • LDL phenotype B was significantly more frequent in ischemic stroke survivors (51%) compared to controls (17%).
  • Among stroke survivors, LDL phenotype B was most prevalent in patients with large vessel disease (LVD) (67%) compared to small vessel disease (SVD) (40%).
  • Individuals with LDL phenotype B, across all groups, exhibited lower HDL-cholesterol concentrations than those with LDL phenotype A.

Impact:

  • This study highlights LDL phenotype B as a potentially significant risk factor for ischemic stroke, especially in LVD.
  • The findings suggest that specific LDL phenotypes, beyond standard lipid fractions, are crucial for understanding stroke etiology.
  • Identifying LDL phenotype B could aid in risk stratification and the development of targeted preventive strategies for stroke.