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Fibrinogen and homocysteine levels in coronary artery disease
S Gheye1, A V Lakshmi, T P Krishna
1National Institute of Nutrition, Hyderabad.
Insights
In the Indian population, elevated plasma fibrinogen and abdominal obesity are significantly linked to coronary artery disease. These factors, along with high cholesterol, contribute to the disease beyond traditional risks.
Area of Science:
- Cardiology
- Biochemistry
- Public Health
Background:
- Traditional coronary artery disease (CAD) risk factors inadequately explain disease burden in India.
- Emerging risk factors, including plasma fibrinogen and homocysteine, are recognized for their role in CAD.
- Investigating novel risk factors is crucial for understanding CAD in diverse populations.
Purpose of the Study:
- To assess the association of plasma fibrinogen, homocysteine, lipid profiles, and anthropometric parameters with angiographically confirmed CAD.
- To explore relationships between biochemical and anthropometric markers in CAD patients.
- To identify specific risk factors prevalent in the Indian population.
Main Methods:
- A case-control study involving 58 male CAD patients (35-60 years) and 58 matched controls.
- Measurement of plasma fibrinogen, homocysteine, lipid profiles, and anthropometric indices (waist-to-hip ratio, waist-to-thigh ratio).
- Statistical comparison of parameters between CAD cases and control groups.
Main Results:
- CAD cases exhibited significantly higher waist-to-hip ratio, waist-to-thigh ratio, plasma fibrinogen, and total cholesterol.
- No significant difference in mean plasma total homocysteine levels was observed between cases and controls.
- Elevated plasma fibrinogen and abdominal obesity demonstrated a significant association with CAD.
Conclusions:
- Plasma fibrinogen and abdominal obesity are significant risk factors for coronary artery disease in the Indian population.
- These factors contribute to CAD independently of conventional risk factors.
- Further research into these markers can inform targeted prevention strategies for CAD in India.
Abstract:
Conventional risk factors like high serum cholesterol, smoking and hypertension do not explain all the mortality and morbidity due to coronary artery disease in Indian population. Novel factors like plasma fibrinogen and homocysteine have been currently recognised as independent risk factors for coronary artery disease. A case-control study was carried out to examine the role of plasma fibrinogen, homocysteine, lipid profile and anthropometric parameters in angiographically established coronary artery disease patients. The relationship between the biochemical and anthropometric parameters was also examined. Fifty-eight male patients in the age range of 35-60 years with angiographically established coronary artery disease and equal number of matched-controls were the subjects of this study. Cases with coronary artery disease had significantly higher waist-to-hip ratio, waist-to-thigh ratio, plasma fibrinogen and total cholesterol. Mean plasma total homocysteine levels were not significantly different between cases and controls. In Indian population, elevated plasma fibrinogen and abdominal obesity appear to be significantly associated with coronary artery disease.
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