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Body fat distribution in men with angiographically confirmed coronary artery disease
Insights
An abdominal type of body fat distribution is a significant risk indicator for coronary artery disease (CAD), independent of weight and other factors. This finding highlights the importance of assessing body fat patterns for cardiovascular risk.
Area of Science:
- Cardiology
- Metabolic Health
- Public Health
Background:
- Coronary artery disease (CAD) remains a leading cause of mortality worldwide.
- Understanding novel risk factors beyond traditional ones is crucial for effective prevention strategies.
- Body fat distribution, particularly abdominal obesity, is increasingly recognized for its metabolic implications.
Purpose of the Study:
- To investigate the association between body fat distribution and the presence of coronary artery disease (CAD).
- To determine if an abdominal fat distribution pattern is an independent risk factor for CAD.
- To evaluate the relationship between waist-to-hip circumference ratio and angiographically defined coronary lesions.
Main Methods:
- A cohort of 286 men (aged 30-74) undergoing coronary angiography was studied.
- Body fat distribution was assessed using the waist-to-hip circumference ratio.
- Stepwise logistic regression analysis was employed to identify independent risk factors for CAD.
Main Results:
- 72.4% of patients exhibited significant coronary artery stenosis or occlusion.
- An abdominal body fat distribution (high waist-to-hip ratio) was a significant independent risk indicator for CAD (P=0.0129).
- This association remained significant even after accounting for age, LDL-cholesterol, body weight, and other cardiovascular risk factors.
Conclusions:
- Abdominal fat distribution is a significant, independent risk factor for coronary artery disease (CAD).
- Waist-to-hip ratio assessment can provide valuable insights into cardiovascular risk.
- Targeting abdominal obesity may be a key strategy in preventing CAD.
Abstract:
Body fat distribution and its relationship to coronary artery disease and established cardiovascular risk factors have been studied in a cohort of 286 men aged between 30 and 74 years undergoing coronary angiography. 207 (72.4%) patients showed stenosis (greater than 30%) or occlusion of one or more coronary arteries. whereas the remaining 79 (27.6%) men were free of coronary lesions and served as a control group. 112 men with angiographically defined coronary artery disease had an additional history of myocardial infarction. Body fat distribution was assessed by determining the waist-to-hip circumference ratio. A stepwise logistic regression analysis revealed that in addition to LDL-cholesterol (P = 0.0001) and age (P = 0.0005) an abdominal type of body fat distribution (P = 0.0129) is also a significant risk indicator for the occurrence of coronary artery disease (CAD) independent of body weight and other factors such as total cholesterol, HDL-cholesterol, triglycerides, insulin, systolic and diastolic blood pressure. The results of this study suggest that an abdominal type of fat distribution is associated with an increased risk of coronary artery disease.