摘要目的分析老年下呼吸道感染患者血清降钙素原及C反应蛋白水平,为临床判断感染性质和治疗提供参考依据。方法根据150例老年下呼吸道感染患者病情严重程度,将患者分为重度组、中度组、轻度组,分别测定三组患者的血清降钙素原(P C T)和C反应蛋白(C R P)水平并进行比较。结果随着病情加重,老年呼吸道感染患者的血清PCT及CRP含量均明显升高;呼吸衰竭组患者的PCT及CRP含量明显高于未衰竭组,差异均有统计学意义。结论可将P C T和C R P水平作为老年下呼吸道感染患者的诊断指标之一。
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