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血培养革兰阳性与阴性菌感染血清降钙素原水平比较 被引量:9

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摘要 目的探讨患者血清降钙素原(PCT)水平对区分血培养阳性及革兰阳性(G+)菌和革兰阴性(G-)菌所致感染的临床应用价值。方法通过对患者血标本细菌培养阳性的标本进行革兰染色及同时检测患者血清PCT水平,比较PCT浓度在革兰阴性细菌及阳性细菌之间的差异,并对其进行敏感性和特异性分析。结果血培养阴性患者PCT为(1.02±0.65)ng/mL,血培养阳性患者PCT为(8.55±3.62)ng/mL;G-菌感染组血清PCT含量为(10.78±4.83)ng/mL;G+菌感染组血清PCT含量为(4.22±3.16)ng/mL,两者比较差异有统计学意义(P<0.05)。结论血清PCT水平测定可作为快速排除和诊断血流感染的辅助检测指标,同时有助于迅速区分G+菌及G-菌所致的血流感染。
出处 《检验医学与临床》 CAS 2013年第20期2734-2735,共2页 Laboratory Medicine and Clinic
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