血清降钙素原用于烧伤脓毒症早期诊断的临床研究

被引:7
作者
刘兆兴
张改巾
刘佳颖
徐圣博
郑波
申传安
机构
[1] 解放军总医院第一附属医院烧伤整形科
关键词
烧伤; 脓毒症; 早期诊断; 降钙素原;
D O I
10.13241/j.cnki.pmb.2019.06.014
中图分类号
R644 [烧伤及烫伤(灼伤)]; R459.7 [急症、急救处理];
学科分类号
100227 [皮肤病学]; 100231 [临床病理学];
摘要
目的:分析特重度烧伤患者血清降钙素原(PCT)水平,探讨其在烧伤脓毒症早期诊断中的应用价值。方法:回顾性分析2014年1月至2018年1月解放军总医院第一附属医院烧伤整形科收治的259例特重度烧伤患者的病例资料,根据患者烧伤ICU住院期间是否发生脓毒症分为脓毒症组(86例,359个检测时间点)与非脓毒症组(173例,1591个检测时间点),收集患者年龄、性别、烧伤面积、烧伤深度、合并有吸入性损伤情况等一般资料,记录每个检测时间点的血常规、肝肾功、血气分析及血清PCT值等实验室检查结果。比较两组患者基线情况及各项脓毒症相关生物学指标,分析各项生物学指标脓毒症诊断能力及不同PCT截断值的诊断效能,并绘制受试者工作特征(ROC)曲线,评估各项生物学指标烧伤脓毒症的诊断效能。结果:两组体温、心率、呼吸频率、血小板计数、胆碱酯酶、脑钠肽差异无统计学意义(P>0.05),脓毒症组血清PCT水平[4.52(2.35~8.83) vs 1.33(0.74~3.24)]、白细胞计数[24.28 (17.48~33.09) vs 20.11 (16.01~25.4)]、血糖[13.12 (9.66~17.28) vs 10.45 (8.31~13.13)]、肌酐[71.60 (57.94~89.62) vs 61.48(48.87~73.48)]、总胆红素差[30.07(22.63~38.69) vs 21.04(15.53~28.4)]显著高于非脓毒症组,差异有统计学意义(P<0.05),其区分脓毒症与非脓毒症的ROC曲线下面积分别为0.801 (95%CI为0.776~0.824,P<0.01)、0.617 (95%CI为0.581~0.652,P<0.01)、0.658(95%CI为0.624~0.691,P<0.01)、0.671(95%CI为0.640~0.702,P<0.01)、0.722(95%CI为0.694~0.691,P<0.01)。PCT的有效截断值为2.0 ng/mL(敏感度84.4%、特异度62.1%)、3.0 ng/m L(敏感度70.8%、特异度71.8%)、4.0 ng/m L(敏感度58.1%、特异度81.2%)。结论:PCT可作为烧伤脓毒症早期诊断的有效生物学指标。
引用
收藏
页码:1069 / 1073
页数:5
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