血清降钙素原(PCT)测定在儿童感染性疾病中的应用

被引:13
作者
高军
李自越
白重阳
张婧
张静
黄晶
李倩
韦三华
张惠中
机构
[1] 第四军医大学唐都医院临床实验与检验输血科
关键词
降钙素原; 感染性疾病; 细菌感染;
D O I
10.13241/j.cnki.pmb.2013.05.019
中图分类号
R446.6 [免疫学检验];
学科分类号
100208 [临床检验诊断学];
摘要
目的:探讨血清降钙素原检测在儿童感染性疾病中的应用价值。方法:90例住院患儿分为脓毒血症组、菌血症组、局部细菌感染组和非细菌(病毒)感染组,20例正常查体作为对照。采用半定量固相免疫测定法测定血清PCT,同时免疫散射比浊法测定血清C反应蛋白(CRP),常规方法检测白细胞(WBC)。结果:90例患儿中,细菌感染组血清PCT、CRP和WBC阳性率分别为90.0%、84%和36.0%,非细菌感染组阳性率分别为5.0%、72.5%和7.5%,细菌感染组血清PCT阳性率显著高于非细菌感染组,CRP差异不显著,WBC阳性率明显低于PCT。脓毒血症组、菌血症组、局部细菌感染组血清CRP阳性率分别为100%、92.5%和87.5%,阳性率与细菌感染程度成正比。PCT升高程度与患儿住院时间成正比。结论:患儿血清PCT检测是区分细菌感染和非细菌感染的重要指标,明显优于CRP和WBC检测,PCT与感染程度呈正相关,同时可作为疗效和预后评估指标。
引用
收藏
页码:885 / 888
页数:4
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