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Published on: October 12, 2017
Homocysteine in relation to C-reactive protein and low-density lipoprotein cholesterol in assessment of
W Herrmann1, R Obeid, U Hübner
1Department of Clinical Chemisty, School of Medicine, Saarland University, 66421 Homburg, Germany. kchwher@uniklinik-saarland.de
Insights
Homocysteine (Hcy) and C-reactive protein (CRP) levels predict coronary vascular disease (CVD) risk, especially when combined. Measuring Hcy alongside CRP or LDL-cholesterol can identify high-risk patients more effectively.
Area of Science:
- Cardiology
- Biochemistry
- Epidemiology
Background:
- Coronary vascular disease (CVD) is a significant health concern, often affecting individuals without apparent risk factors.
- Understanding novel biomarkers for CVD risk prediction is crucial for early intervention.
- Homocysteine (Hcy), C-reactive protein (CRP), and low-density lipoprotein (LDL)-cholesterol are implicated in cardiovascular health.
Purpose of the Study:
- To evaluate the predictive value of homocysteine (Hcy) for coronary vascular disease (CVD).
- To assess the combined predictive power of Hcy with C-reactive protein (CRP) and low-density lipoprotein (LDL)-cholesterol.
- To explore ethnic variations in biomarker concentrations and CVD risk between German and Syrian populations.
Main Methods:
- Cross-sectional study comparing patients with confirmed CVD and control individuals from German and Syrian populations.
- Measurement of serum concentrations of homocysteine (Hcy), C-reactive protein (CRP), and LDL-cholesterol.
- Statistical analysis to determine the association between biomarker levels and CVD, considering combined effects.
Main Results:
- Patients with CVD exhibited significantly higher Hcy and CRP levels compared to controls in both ethnic groups.
- Syrian patients showed higher LDL-cholesterol levels than Syrian controls.
- Elevated Hcy or CRP concentrations were individually associated with increased CVD probability.
- Combined elevated Hcy and CRP, or Hcy and LDL-cholesterol, markedly increased CVD risk in both populations.
Conclusions:
- Homocysteine (Hcy) determination can enhance the predictive value of C-reactive protein (CRP) and LDL-cholesterol for coronary vascular disease (CVD).
- Simultaneous measurement of these biomarkers is vital for identifying individuals at high risk for CVD.
- These findings underscore the importance of a multi-marker approach in CVD risk assessment.
Abstract:
Coronary vascular disease (CVD) is a chronic, multifactorial disease that occurs often in individuals without known risk factors. We investigated the predictive value of homocysteine (Hcy) in relation to C-reactive protein (CRP) and low-density lipoprotein (LDL)-cholesterol in patients with confirmed coronary disease. The study included 87 German and 92 Syrian patients in addition to 87 German and 64 Syrian control individuals. Patients and controls were of comparable age, lifestyles and cultural background. Patients of both ethnic groups had significantly higher concentrations of Hcy and C-reactive protein compared to the controls. The lipids were higher only in Syrian patients compared to the controls. Elevated concentrations of Hcy or that of CRP (>75th percentiles) were associated with increased probability for CVD. In both population groups, the risk increased markedly in subjects who had elevated concentrations of Hcy and CRP or those who had elevated concentrations of Hcy and LDL-cholesterol. The results emphasize that detemination of Hcy may improve the predictive value of C-reactive protein and the LDL-cholesterol. Measurements of these markers are especially important for identification of patients at high risk for CVD.
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