血清乳铁蛋白在脓毒症近期预后评估中的作用

李 高峰1, 张 琳1, 包 志远2
1、安徽医科大学第三附属医院 合肥市第一人民医院 重症医学科
2、安徽医科大学附属巢湖医院急诊科

摘要


目的 :探究血清乳铁蛋白 (LF) 在脓毒症近期预后评估中的作用。方法 :纳入 2022 年 09 月至 2023 年 05 月期
间入院的 40 例脓毒症患者和同期健康者 40 人为对照组,根据脓毒症 3.0 诊断标准选择脓毒症患者,依据 30 天生存情
况分为生存组和死亡组 , 并采用 ELISA 法测定血清中 LF 水平,比较两组血清 LF 的差异。结果 :与对照组比较 , 脓毒症
生 存 组、 脓 毒 症 死 亡 组 血 清 LF 均 明 显 升 高 [μg/mL:710.476(598.7499,805.086)vs.948.942(859.339,1022.316),
1062.290(975.902,1145.964),P <0.001]; 与生存组比较 , 死亡组血清 LF 明显升高 [μg/mL:1062.290(975.902,1145.964)
vs.948.942(859.339,1022.316),P = 0.002]。ROC 曲线分析显示 , 血清 LF 对脓毒症预后的曲线下面积为 0.762,截断值为
955.534 μg / mL,此时敏感度 0.913、特异度 0.588。Cox 回归分析显示 , 血清 LF 为脓毒症近期预后危险因素 (HR = 1.01,P
= 0.0018)。生存曲线分析生存分析显示 , 血清 LF > 955.534 μg / mL 脓毒症患者 30d 病死率高于血清 LF < 955.534 μg /
mL 的脓毒症患者 (P <0.05)。结论 :随着 LF 的升高,脓毒症患者近期预后的死亡率也越高。

关键词


生物标记物 ;血清乳铁蛋白 ;脓毒症 ;预后

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参考


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