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Published on: January 28, 2020
Blood Types May Be Involved in the Occurrence of Coronary Heart Disease Through Serum Lipids
Chen Jiang1, JianHui Huang2, Hui Cong3
1Department of Blood Transfusion, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, China, ahnmc.com.
Insights
Individuals with blood Type A have a higher risk of coronary heart disease (CHD). This study in China found Type A is an independent risk factor, potentially linked through blood lipid levels.
Area of Science:
- Cardiovascular Epidemiology
- Genetics and Disease Risk
- Clinical Biochemistry
Background:
- ABO blood types are clinically significant.
- Coronary heart disease (CHD) is a major health concern.
- Understanding risk factors for CHD is crucial.
Purpose of the Study:
- To evaluate the association between ABO blood types and CHD in the Chinese population.
- To explore the role of blood lipids as a potential mediator in the blood type-CHD relationship.
Main Methods:
- Data from 5188 CHD patients and blood donors were analyzed.
- Binary logistic regression identified correlations between blood types and CHD.
- Serum lipid profiles were compared across different blood types.
Main Results:
- Blood Type A was more prevalent in CHD patients (p=0.012), while Type O was less prevalent (p=0.047).
- Type A demonstrated a 24% increased risk of CHD (OR 1.24; p=0.009).
- Higher serum total cholesterol, triglyceride, and LDL-C levels were observed in Type A individuals with CHD.
Conclusions:
- Blood Type A is an independent risk factor for coronary heart disease.
- Elevated blood lipid levels in Type A individuals suggest a role for the lipid pathway in CHD pathogenesis.
Background:
ABO blood types have important clinical significance in medicine. In this paper, our primary objective is to evaluate the association between ABO blood types and coronary heart disease (CHD) in the Chinese population. The secondary objective is to explore whether blood lipids may serve as a potential influencing factor in the relationship between blood types and CHD.
Methods:
We collected data from 5188 CHD patients to assess the distribution of blood types between CHD patients and blood donors, and performed binary logistic regression analysis to explore the correlation between blood types and CHD. Subgroup analyses and interactions were conducted to verify the robustness of the findings. Serum biological markers of CHD across different blood types were compared to explore potential underlying mechanisms.
Results:
The proportion of Type A was higher (p = 0.012), and Type O was lower (p = 0.047) in CHD. Logistic regression modeling analyses showed that Type A had a significantly increased risk of CHD by 24% compared with non-A (OR [95% CI] 1.24: 1.05-1.45, p = 0.009). Blood Type A had a consistent effect on the risk of CHD across all subgroups, with no significant interaction observed (p for interaction > 0.1). Further, serum levels of total cholesterol (TC), triglyceride (TG), and low-density lipoprotein cholesterol (LDL-C) were found to be significantly higher in individuals with Type A CHD compared with those with non-A blood types (p = 0.02, p = 0.045, p = 0.019).
Conclusions:
Type A is an independent risk factor for CHD, and CHD patients with Type A exhibit higher blood lipid levels, suggesting that blood type antigens may be involved in the occurrence of CHD through the lipid pathway.
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