[The relationship between carotid artery atherosclerosis and hyperhomocysteinaemia]

Hong-li Wang1, Dong-sheng Fan, Yang Shen

  • 1Department of Neurology, the Third Hospital, Peking University, Beijing 100083, China.

Insights

Elevated homocysteine (Hcy) levels are linked to increased carotid artery atherosclerosis (CAA) severity. Lower folate and vitamin B12 may contribute to higher Hcy, suggesting potential for vitamin-based vascular disease prevention.

Area of Science:

  • Cardiovascular Medicine
  • Clinical Chemistry
  • Nutritional Science

Context:

  • Carotid artery atherosclerosis (CAA) is a significant risk factor for stroke.
  • Homocysteine (Hcy) has been implicated in vascular disease, but its precise role in CAA requires further elucidation.
  • The influence of B vitamins (folate, B12) and lipid profiles on CAA progression is not fully understood.

Purpose:

  • To investigate the association between carotid artery atherosclerosis (CAA) and serum levels of homocysteine (Hcy), folate, vitamin B12, and lipids.
  • To determine if Hcy is an independent risk factor for CAA and its severity.
  • To explore the relationship between B vitamin levels and Hcy concentration in subjects with varying degrees of CAA.

Summary:

  • A study of 126 subjects found a positive correlation between increased carotid artery atherosclerosis (CAA) severity and higher serum homocysteine (Hcy) levels.
  • Serum Hcy, total cholesterol (TC), and high-density lipoprotein (HDL) were identified as significant factors correlated with CAA severity.
  • Lower levels of folate and vitamin B12 were associated with elevated Hcy concentrations, suggesting a potential link to CAA development.

Impact:

  • This research identifies hyperhomocysteinemia as an independent risk factor for CAA, highlighting the clinical significance of Hcy levels.
  • Findings suggest that monitoring Hcy, TC, and HDL may aid in assessing CAA risk and severity.
  • The study supports the need for clinical trials to evaluate the efficacy of folate and vitamin B12 supplementation in preventing and managing vascular diseases.
Abstract

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