[Homocysteine, a less well-known risk factor in cardiac and vascular diseases]

J Simon1, J Racek, H Rosolová

  • 1II. interní klinika LF UK a FN Plzen.

Insights

High homocysteine (Hcy) levels are linked to vascular issues and cardiovascular disease. While vitamin supplements may lower Hcy, their impact on reducing cardiovascular events requires further clinical study.

Area of Science:

  • Cardiovascular Science
  • Vascular Biology
  • Clinical Biochemistry

Context:

  • Hyperhomocysteinemia (Hcy) is associated with endothelial dysfunction and coagulation abnormalities.
  • Epidemiological studies link Hcy to premature arteriosclerosis, stroke, myocardial infarction, and peripheral vascular diseases, independent of conventional risk factors.
  • Pilot study demonstrated elevated Hcy levels in patients with ischemic heart disease compared to controls.

Purpose:

  • To investigate the association between homocysteine levels and ischemic heart disease.
  • To evaluate the potential role of homocysteine as a risk factor for cardiovascular diseases.
  • To underscore the need for further clinical and epidemiological studies on Hcy and cardiovascular outcomes.

Summary:

  • Hyperhomocysteinemia negatively impacts vascular endothelium and coagulation.
  • Clinical studies have proven the association of Hcy with premature arteriosclerosis, stroke, and other vascular diseases.
  • Vitamin supplementation (folates, B6, B12) can reduce Hcy levels, but its effect on cardiovascular disease incidence and mortality remains unproven.

Impact:

  • Highlights the clinical significance of hyperhomocysteinemia in cardiovascular pathology.
  • Emphasizes the need for further research into the therapeutic benefits of homocysteine-lowering strategies.
  • Provides a foundation for future clinical trials investigating homocysteine-targeted interventions for cardiovascular disease prevention.

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