Study on the levels of glycosylated lipoprotein in patients with coronary artery atherosclerosis

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Abstract

Background

The main risk factors for atherosclerosis patients are not fully explicated. The aim of this study was to analyze the levels of blood lipid and glycosylated lipoprotein in patients with coronary artery atherosclerosis and healthy individuals and to study the relationship between the glycosylated lipoprotein and atherosclerosis.

Methods

The study involved 200 patients diagnosed with myocardial infarction caused by coronary atherosclerosis as case group and 230 healthy individuals as control group. We analyzed and contrasted the levels of blood lipid and glycosylated lipoprotein between the different groups. In addition, we investigated the correlation between glycosylated low-density lipoprotein (G-LDL) and glucose levels.

Results

There is no statistical difference between the level of TG in case group and control group. The level of CHOL, HDL-C, and LDL-C in case group is significantly lower than that in control group (3.90 [3.23, 4.42] vs 5.16 [4.86, 5.77] [mmol/L]; 1.09 [0.83, 1.38] vs 1.46 [1.15, 1.80] [mmol/L]; 2.22 [1.68, 2.81] vs 2.95 [2.60, 3.27] [mmol/L]) (P < 0.05). The level of GLU, HbA1c, G-HDL, and G-LDL in case group is significantly higher than that in control group (7.10 [5.68, 9.27] vs 4.84 [4.68, 5.07] [mmol/L]; 6.8 [6.3, 7.4] vs 5.9 [5.6, 6.1] [%]; 30.08 [25.04, 40.17] vs 22.95 [18.14, 27.06] [ng/mL], 6.26 [4.95, 7.50] vs 3.61 [2.66, 5.15] [ng/mL]) (p < 0.05). The level of G-LDL in patients with coronary atherosclerosis was relevant with the level of GLU and HbA1c (r = 0.625, 0.706, P < 0.05), and there was no relevance with LDL-C (r = 0.331, P > 0.05).

Conclusion

Hyperlipidemia is not an important cause of coronary atherosclerosis. High glucose levels and glycosylated lipoprotein are of high importance in the development and progression of coronary atherosclerosis.

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