Sex differences in cardiovascular risk factors for myocardial infarction.
2020
BACKGROUND: Cardiovascular disease is a leading cause of mortality worldwide. This study investigated the effects of sex on traditional cardiovascular risk factors for remote myocardial infarction in a community. METHODS: A cross-sectional study was performed comprising 20,899 participants who underwent physical examination from 2013 to 2015, including systemic blood pressure and 12-lead electrocardiogram monitoring. Fasting blood samples were collected for blood cell counts and biochemistry tests. Remote myocardial infarction was diagnosed on the basis of electrocardiogram findings. RESULTS: A total of 71 male and 21 female patients aged over 50 years were identified with remote myocardial infarction. In the female cohort, low-density lipoprotein (LDL), total cholesterol (TC), as well as high-density lipoprotein (HDL) were negatively correlated with myocardial infarction after adjusting for age. In the male cohort, after adjusting for age, serum levels of glycated hemoglobin (HbA1c) and fasting glucose were positively correlated with myocardial infarction, but the lipid profile, including low-density lipoprotein (LDL), total cholesterol (TC), and high-density lipoprotein (HDL), was negatively correlated with remote myocardial infarction. CONCLUSION: In the male population, dyslipidemia and abnormal glucose metabolism play a role in myocardial infarction. In the female population, dyslipidemia is independent of glucose metabolism. This study highlights sex differences in the regulation of lipids and glucose metabolism in patients with remote myocardial infarction.
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