目的:探讨P16INK4a、白介素37(interleukin-37,IL-37)和胱抑素C(Cys-C)联合检测在脓毒症急性肾损伤中的早期诊断价值.方法:前瞻性选取2021年3月-2023年9月海军军医大学海军特色医学中心收治的脓毒症患者193例,根据是否发生急性肾损伤,将患者分为急性肾损伤组(71例)和单纯脓毒症组(122例).对比两组的基线资料,采用二元logistic回归分析脓毒症发生急性肾损伤的影响因素,Pearson相关分析P16INK4a、IL-37和Cys-C与炎症因子、肾功能的相关性,绘制受试者工作特征曲线分析P16INK4a、IL-37和Cys-C的诊断效能.结果:本研究共计纳入193例脓毒症患者,急性肾损伤的发生率为36.79％(71/193);急性肾损伤组和单纯脓毒症组的年龄、性别、原发感染部位、高血压、糖尿病、高脂血症和糖尿病对比差异无统计学意义(P＞0.05),而急性肾损伤组中的序贯器官功能衰竭评分、急性生理学和慢性健康状况评分及肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)、IL-6、血小板压积(procalcitonin,PCT)、肌酐(serum creatinine,Scr)、尿素氮(blood urea nitro-gen,BUN)、P16INK4a、Cys-C 水平明显高于单纯脓毒症组,IL-37水平明显低于单纯脓毒症组,均差异有统计学意义(P＜0.05);二元 logistic 回归分析结果显示,TNF-α、IL-6、PCT、Scr、BUN、P16INK4a、IL-37、Cys-C 是脓毒症患者发生急性肾损伤的影响因素;P16INK4a、Cys-C水平与炎症因子TNF-α、IL-6、PCT呈正相关(P＜0.05),与肾功能指标Scr、BUN也呈正相关(P＜0.05);IL-37水平与炎症因子TNF-α、IL-6、PCT呈负相关(P＜0.05),与肾功能指标Scr、BUN也呈负相关(P＜0.05);当P16INK4a截断值为1.535时,曲线下面积(area under the curve,AUC)值为0.765,灵敏度为77.40％,特异度为69.60％;当IL-37截断值为101.46 mmol/L时,AUC值为0.871,灵敏度为79.95％,特异度为74.65％;当Cys-C截断值为1.72 mg/L时,诊断脓毒症急性肾损伤的AUC值为0.884,灵敏度为80.28％,特异度为76.06％;三者联合诊断的AUC值为0.916,灵敏度为93.96％,特异度为83.10％;三者联合诊断的AUC值、灵敏度、特异度分别高于P16INK4a、IL-37和Cys-C单独检测(P＜0.05).结论:血清P16INK4a、IL-37和Cys-C三者联合检测在早期识别脓毒症急性肾损伤方面具有较高的预测能力,能够有效地提高早期脓毒症急性肾损伤的检出率.
The value of P16INK4a,IL-37 and Cys-C combined detection of acute kidney injury in sepsis
Objective:To investigate the value of combined detection of P16INK4a,interleukin-37(IL-37)and Cys-C in the early diagnosis of acute kidney injury in sepsis.Methods:One hundred and ninty-three patients with sepsis care were admitted in Naval Medicine Center from March 2021 to September 2023 were prospectively in-cluded in the study.They were divided to two groups according to whether acute kidney injury occurred(n=71)and simple sepsis(n=122).The baseline data of the two groups were compared,and the influencing factors of a-cute kidney injury in sepsis were analyzed by binary logistic regression,and the correlations of P16INK4a,IL-37 and Cys-C with inflammatory factors and renal function were analyzed by Pearson correlation analysis.Receiver operating characteristic curves were drawn to analyze the P16INK4a,IL-37 and Cys-C.Results:In the total of 193 patients with sepsis,the incidence of acute kidney injury was 36.79％(71/193).There were no significant differ-ences in primary infection site,hypertension,diabetes,hyperlipidemia and diabetes between acute kidney injury group and sepsis group(P＞0.05).The levels of sequential organ failure assessment,acute physiology and chron-ic health evaluation score,tumor necrosis factor-α(TNF-α),1L-6,procalcitonin(PCT),serum creatinine(Scr),blood urea nitrogen(BUN),P16INK4a and Cys-C in acute renal injury group were significantly higher than those in simple sepsis group,and IL-37 level was significantly lower than that in simple sepsis group(P＜0.05).Binary logistic regression analysis showed that TNF-α,IL-6,PCT,Scr,BUN,P16INK4a,IL-37,Cys-C were the influ-ential factors of acute kidney injury in sepsis patients.The levels of P16INK4a and Cys-C were positively correla-ted with inflammatory factors TNF-α,IL-6 and PCT(P＜0.05),and were also positively correlated with renal function indexes Scr and BUN(P＜0.05).IL-37 levels were negatively correlated with inflammatory factors TNF-α,IL-6 and PCT(P＜0.05),and were also negatively correlated with renal function indexes Scr and BUN(P＜0.05).When the cutoff value of P16INK4a was 1.535,the area under the curve(AUC)value for diagnosing acute renal injury in sepsis was 0.765,the sensitivity was 77.40％,and specificity 69.60％.When the IL-37 cut-off value was 101.46 mmol/L,the AUC value,sensitivity and specificity were 0.871,79.95％and 74.65％respec-tively.When the cutoff value of Cys-C was 1.72 mg/L,the AUC value for diagnosing acute kidney injury in sep-sis was 0.884,the sensitivity was 80.28％,and the specificity was 76.06％.The AUC value of the combined di-agnosis was 0.916,the sensitivity was 93.96％and the specificity was 83.10％.The AUC value,sensitivity and specificity of the combined diagnosis were higher than those of P16INK4a,IL-37 and Cys-C alone(P＜0.05).Conclusion:The combined detection of serum P16INK4a,IL-37 and Cys-C has high predictive ability in early identification of sepsis acute kidney injury,and can effectively improve the detection rate of early sepsis acute kidney injury.
sepsisacute kidney injuryP16INK4aIL-37Cys-Cdiagnostic value
NETL
NSTL
万方数据
