This study was designed to determine the efficacy of epalrestat on patients with diabetic foot infection (DFI) and its effects on serum inflammatory factors in the patients.
Methods: The data of 80 patients with DFI treated in the First Affiliated Hospital of Jiangxi Medical College from May 2020 to May 2022 were analyzed retrospectively. Among them, patients who received routine comprehensive treatment were enrolled into the control group (n=37), and those who received epalrestat on the basis of routine comprehensive treatment were enrolled into the study group (n=43). The changes of serum inflammatory factors before and after treatment, granulation tissue grading and efficacy in the two groups were analyzed and compared, and the wound healing time, hospitalization time and adverse reactions (including nausea and vomiting, dizziness, headache, pruritus, etc.) of the two groups were statistically analyzed. The prognosis of the patients within 1 year after treatment was analyzed, and the independent risk factors of poor prognosis were analyzed through logistic regression.
Results: Before treatment, the two groups were not significantly different in the levels of tumor necrosis factor-α (TNF-α), high sensitivity C-reactive protein (hs-CRP), and interleukin-6 (IL-6), while after treatment, the levels decreased significantly in both groups, with significantly lower levels in the study group than those in the control group. The study group had a significant lower proportion of patients with grade 0/grade 1 granulation tissue than the control group, and had a significantly higher proportion of patients with grade 2/grade 4 granulation tissue than the control group, but the proportion of patients with grade 3 granulation tissue in the two groups was not greatly different. The study group experienced notably shorter wound healing time and hospitalization time than the control group. A notably higher overall response rate was found in the study group than that in the control group. In addition, the total incidence of adverse reactions was not greatly different between the two groups. BMI, diabetes mellitus type, Wagner grading and classification of diabetic foot infection were found to be the risk factors affecting the prognosis of patients, and Wagner grading was an independent risk factor affecting the prognosis of patients.
Conclusion: Epalrestat is effective in treating DFI, because it can lower the levels of serum inflammatory factors, shorten the time of wound healing and hospitalization, and promote the growth and recovery of granulation, without increasing adverse reactions. Therefore, it is worthy of clinical promotion.
Keywords: Epalrestat; diabetic foot infection; efficacy; granulation tissue; serum inflammatory factors.
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