Objective: The study aimed to explore the effect of different doses of atorvastatin on collateral formation in coronary artery disease (CAD) patients with coronary atherosclerosis.
Methods: The study included 218 CAD patients who received treatment between January 2017 and January 2020 at our hospital. They were assigned to the high-dose group (40 mg atorvastatin) and the low-dose group (20 mg atorvastatin) using the random table method with 109 patients per group. The blood lipid levels, TNF-α, hs-CRP, NO, and coronary atherosclerosis collateral formation before and after treatment in the two groups were compared, and favorable factors of good coronary artery collateral circulation were analyzed by multivariate logistic regression analysis.
Results: LDL-C, TG, and TC levels decreased, whereas HDL-C levels increased in the two groups after treatment. The high-dose group had lower LDL-C, TG, and TC levels but higher HDL-C levels than the low-dose group, and the difference was statistically significant ( P < 0.05). TNF-α and hs-CRP levels decreased while NO levels increased in both groups after treatment. The high-dose group had lower TNF-α and hs-CRP levels but higher NO levels than the low-dose group, and the difference was statistically significant ( P < 0.05).
Conclusion: High-dose atorvastatin could blood lipid levels of modulate CAD patients and promote coronary atherosclerosis collateral formation. In addition, hypertension, LDL-C, HDL-C, TNF-α, hs-CRP, and NO were independent determinants of good coronary artery collateral circulation.
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