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PCT在有基础疾病的老年AECOPD患者中的表达

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Keywords: 降钙素原,老年,基础疾病,慢性阻塞性肺疾病急性加重,社区获得性肺炎

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Abstract:

目的探讨降钙素原在有基础疾病的老年慢性阻塞性肺疾病急性加重(AECOPD)合并肺炎患者的表达水平及其诊断价值。方法入选72例有基础疾病的老年AECOPD患者,42例老年社区获得性肺炎(CAP)患者,以40例健康老年人为对照组。对患者的血清降钙素原以及C反应蛋白、白细胞、痰培养进行分析比较。使用ROC曲线下面积评价PCT对于AECOPD并肺炎的诊断价值。结果有基础疾病的老年AECOPD并肺炎组PCT水平与老年CAP组比较,差异无统计学意义(P=0.640),表明患者的营养状态和基础疾病未影响感染刺激PCT的分泌。两组患者PCT测量值明显高于健康对照组(Pχ2=6.258,P=0.012)。在诊断价值方面,PCT的ROC曲线下面积分别为0.914,CRP的ROC曲线下面积为0.665,PCT较CRP对老年AECOPD并肺炎患者诊断价值更大。结论PCT对老年AECOPD并肺炎患者具有很高的诊断准确性,营养状态和基础疾病不影响PCT的诊断。

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