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Changes of serum Lp-PLA2, IL-18, and S100A8 levels in patients with type 2 diabetes mellitus and their relationship with diabetic foot ulcers |
CHEN Hongyan LONG Ke HUANG Shuying MIN Shan#br# |
Department of Endocrinology, Panyu Hospital of Chinese Medicine, Guangdong Province, Guangzhou 511400, China |
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Abstract Objective To analyze the relationship between serum lipoprotein associated phospholipase A2 (Lp-PLA2), interleukin (IL)-18, calcin binding protein S100A8 (S100A8) and diabetic foot ulcers (DFU). Methods The clinical data of 183 patients with type 2 diabetes mellitus (T2DM) who were followed up in Panyu Hospital of Chinese Medicine from January 2019 to March 2021 were collected and they were divided into T2DM group (101 cases) and DFU group (82 cases) according to whether they were complicated with DFU. The differences of general clinical data, Lp-PLA2, IL-18, S100A8, and other biochemical indexes between the two groups were compared, and the risk factors of DFU were discussed. Results Fasting blood glucose and glycosylated hemoglobin levels in the DFU group were higher than those in the T2DM group, and diabetes duration in DFU group was longer than the T2DM group (P < 0.05). Lp-PLA2, IL-18, S100A8, C-reactive protein, IL-1β, tumor necrosis factor-α, white blood cell count, and the proportion of neutrophils in DFU group were higher than those in T2DM group (P < 0.05). Logistic regression analysis showed that, the increase of IL-1β (OR = 1.766, 95%CI:1.332-2.343, P < 0.001), Lp-PLA2 (OR = 1.824, 95%CI:1.294-2.571, P < 0.001), IL-18(OR = 2.083, 95%CI:1.367-3.175, P < 0.001), S100A8(OR = 1.941, 95%CI:1.211-3.112, P < 0.001) were all risk factors for DFU. Conclusion The increase of serum Lp-PLA2, IL-18, and S100A8 levels is closely related to the pathogenesis of DFU, which can be used for early prevention, diagnosis and treatment of high-risk DFU patients.
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