降钙素原在重症肺炎中的临床应用

被引:0
作者
李娟娟
机构
[1] 新疆医科大学
关键词
重症肺炎; 降钙素原; 白细胞介素6; C反应蛋白; 白细胞计数;
D O I
暂无
年度学位
2013
学位类型
硕士
导师
摘要
目的:探讨降钙素原在重症肺炎诊断中的临床应用价值。方法:回顾性分析2011年9月至2012年9月在新疆医科大学第六附属医院住院的肺炎患者95例,正常对照组50例。将肺炎入选病例分为普通肺炎组(50例)、重症肺炎组(45例)。正常对照组在体检时测定血清PCT、IL-6、CRP、WBC水平;病例组于入院治疗前、48h、72h、出院前或死亡前测定血清PCT、IL-6、CRP、WBC水平,并分别对其进行PSI评分、APACHEⅡ评分。结果:血清PCT在正常对照组中不升高,在普通肺炎组中轻度升高,在重症肺炎组中明显升高;IL-6、CRP、WBC在正常对照组中不升高,在普通肺炎组和重症肺炎组中均明显升高;重症肺炎组中的血清PCT水平明显高于普通肺炎组,两者有显著性差异(P<0.05),重症肺炎组中IL-6、CRP、WBC水平与普通肺炎组中IL-6、CRP、WBC水平比较,无差异(P>0.05);普通肺炎组血清PCT、 IL-6、CRP、WBC水平明显高于正常对照组,两者比较差异显著;连续监测重症肺炎组血清PCT、IL-6、CRP、WBC水平发现,在抗生素使用前血清PCT可快速上升,当治疗有效时,血清PCT下降也快,而IL-6、CRP、WBC水平在感染被控制后仍维持高水平,其下降速度慢于血清PCT;细菌性重症肺炎组血清PCT与非细菌性重症肺炎组相比,有差异(P<0.05);血清PCT水平与PSI评分、APACHEⅡ评分的相关系数分别为0.686、0.702,其相关性均高于IL-6、CRP及WBC。结论:检测血清PCT水平的变化,可监测重症肺炎患者的病情变化及评估预后情况,其监测效果优于IL-6、CRP和WBC。
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页数:42
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