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The relation between plasma homocysteine level and cardiovascular risk factors in cerebral ischemia

Chi-Wei Huang1, Tsung-Hua Chen, Hung-Sheng Lin

  • 1Department of Neurology, Chang Gung Memorial Hospital-Koahsiung Medical Center and College of Medicine, Chang Gung University, Kaohsiung, Taiwan.

Insights

Hyperhomocysteinemia (HHcy) is common in patients with cerebral ischemia. Even with normal kidney function, serum creatinine levels predict HHcy, a treatable cardiovascular risk factor requiring regular monitoring.

Area of Science:

  • Cardiovascular Science
  • Nephrology
  • Neurology

Background:

  • Hyperhomocysteinemia (HHcy) is linked to increased risk of vascular thrombosis and cerebral ischemia.
  • Identifying confounding factors for HHcy is crucial, particularly in individuals with normal serum creatinine.
  • Understanding HHcy prevalence and its association with cardiovascular risk factors in specific patient populations is essential.

Purpose of the Study:

  • To determine the frequency of HHcy in patients experiencing cerebral ischemia.
  • To investigate the relationship between homocysteine levels and cardiovascular risk factors.
  • To describe plasma homocysteine level distribution in cerebral ischemia patients with normal serum creatinine.

Main Methods:

  • A retrospective study design was employed.
  • Patients were categorized into two groups based on plasma homocysteine levels: Group I (>= 12 microM/L) and Group II (< 12 microM/L).
  • Analysis included comparison of cardiovascular risk factors and biochemical parameters between the two groups.

Main Results:

  • Out of 218 patients, 45 (Group I) had elevated homocysteine levels.
  • No significant differences were observed in hypertension, diabetes, cardiac disease, age, liver enzymes, lipid profile, or blood counts between groups.
  • Serum creatinine levels were significantly higher in Group I and correlated directly with plasma homocysteine, acting as an independent predictor.

Conclusions:

  • HHcy is prevalent among cerebral ischemia patients in this cohort.
  • Renal function, indicated by serum creatinine, is a key determinant of HHcy, even in individuals with initially normal creatinine levels.
  • Regular monitoring of HHcy is recommended due to its treatable nature and detrimental impact on renal function and cardiovascular health.
Abstract

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