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中性粒细胞CD64对新生儿感染早期判断的研究 被引量:15

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摘要 目的:探讨中性粒细胞CD64对感染早期判断的敏感性、特异性及对临床的指导意义。方法:前瞻性研究,对疑诊感染性疾病患儿于起病24 h内查血培养、CRP、PCT、CD64等检查。依据临床诊断指南分为3组,败血症组、一般感染组、对照组,应用流式细胞仪测定每个细胞表面所携带CD64表面抗原的数量。结果:共纳入65例患儿,其中败血症组25例,一般感染组20例,对照组20例;败血症组CD64表达明显高于一般感染组和对照组。CD64与CRP呈显著相关性(r=0.401,P=0.001);PCT取截断值为0.25 mg/L,其敏感度及特异度分别为100%和89.7%,CRP取截断值为50.55 mg/L,敏感度及特异度分别为80%和87.2%,CD64取截断值为73.10%,敏感性及特异性分别为76%和74.4%,阳性和阴性预测值分别为65.5%和83.3%;ROC曲线分析显示PCT曲线下面积最大(97.9%),CRP曲线下面积其次(94.5%),CD64曲线下面积最小(81.4%)。结论:中性粒细胞CD64是判断新生儿早期感染的可靠生物学指标,但不能作为单一判断生化指标。
出处 《实用医学杂志》 CAS 北大核心 2016年第13期2205-2208,共4页 The Journal of Practical Medicine
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参考文献18

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