血尿酸水平对脓毒症相关急性肾损伤的双重作用研究
收稿日期: 2025-02-21
修回日期: 2025-05-21
录用日期: 2025-11-15
网络出版日期: 2025-12-24
基金资助
山东省医药卫生科技发展计划项目(202117011071)
The Dual Role of Serum Uric Acid Levels in Sepsis-Associated Acute Kidney Injury
Received date: 2025-02-21
Revised date: 2025-05-21
Accepted date: 2025-11-15
Online published: 2025-12-24
目的:探讨基线尿酸与脓毒症相关急性肾损伤(sepsis associated-acute kidney injury, SA-AKI)发生的相关性。方法:采用回顾性队列研究设计,纳入2019年1月至2024年12月我院收治的571例脓毒症患者。根据血清尿酸水平分为高尿酸血症组(n=147)与非高尿酸血症组(n=424),比较两组SA-AKI发生率。采用多因素Logistic回归分析高尿酸血症与SA-AKI的相关性并运用限制性立方样条(restricted cubic splines, RCS)模型评估尿酸水平与SA-AKI风险的非线性关系。结果:脓毒症患者SA-AKI发生率为51.14%,高尿酸血症组SA-AKI发生率较非高尿酸血症组更高(76.7% vs.42.3%,P<0.001)。组间比较显示,与非高尿酸血症组相比,高尿酸血症组合并高血压、冠心病的比例、基础慢性肾病发生率、基线血清肌酐水平、白细胞、乳酸水平更高,基线eGFR水平更低,差异均有统计学意义(P<0.05)。多因素Logistic回归分析显示,高尿酸血症是SA-AKI的独立危险因素(OR=4.387,P<0.001)。进一步RCS分析表明,尿酸变化与SA-AKI存在非线性效应(P<0.001)。尿酸水平低于250 μmol·L-1时与SA-AKI发生风险负相关,高于250 μmol·L-1时则呈正相关。结论:高尿酸血症是SA-AKI的独立危险因素,尿酸对于SA-AKI的发生具有双重作用。临床应加强对脓毒症患者的尿酸水平监测,以早期识别和干预SA-AKI高风险人群。
张树柳
.
血尿酸水平对脓毒症相关急性肾损伤的双重作用研究
Objective: To investigate the correlation between baseline uric acid levels and the occurrence of sepsis-associated acute kidney injury (SA-AKI).Methods: A retrospective cohort study was conducted to analyze 571 sepsis patients admitted to our hospital from January 2019 to December 2024. Patients were divided into the hyperuricemia group (n=147) and the non-hyperuricemia group (n=424) based on serum uric acid levels, and the incidence of SA-AKI was compared between the two groups. Multivariate logistic regression was used to analyze the correlation between hyperuricemia and SA-AKI. A restricted cubic spline (RCS) model was applied to assess the nonlinear relationship between uric acid levels and SA-AKI risk.Results: The overall incidence of SA-AKI in sepsis patients was 51.14%. The hyperuricemia group had a significantly higher SA-AKI incidence than the non-hyperuricemia group (76.7% vs. 42.3%, P<0.001). Intergroup comparisons revealed that, compared to the non-hyperuricemia group, the hyperuricemia group exhibited higher proportions of hypertension, coronary heart disease, baseline chronic kidney disease, and elevated levels of serum creatinine, white blood cells count, lactate levels, and lower baseline eGFR (P<0.05). Multivariate logistic regression analysis showed that hyperuricemia was an independent risk factor for SA-AKI (OR=4.387, P<0.001). RCS analysis demonstrated a nonlinear relationship between uric acid levels and SA-AKI risk (P<0.001). Uric acid levels below 250 μmol·L-1 were negatively correlated with SA-AKI risk, whereas levels above 250 μmol·L-1 were positively correlated.Conclusion: Hyperuricemia is an independent risk factor for SA-AKI, and uric acid has a dual role in the occurrence of SA-AKI. Clinically, monitoring of uric acid levels of sepsis patients should be emphasized to enable early identification and intervention of high-risk populations of SA-AKI.
Key words: Sepsis; Hyperuricemia; Acute kidney injury; Dual role
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