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目的:探讨PCT检测对儿童呼吸道感染的诊断价值、病情评估和预后判断的价值。方法:选择儿童呼吸道感染患者80例,标本采集于入院当天,在使用抗生素前采集静脉血查PCT、CRP、WBC,同时进行血培养、痰培养或咽试子培养、呼吸道病毒抗体Ig G和Ig M、肺炎支原体抗体Ig M。症状减轻后,复查PCT。结果:细菌感染组56例中PCT检测阳性53例,占94.6%。结论:PCT和CRP作为临床炎症标志物,PCT具有早期敏感特异性,有助于病情的早期评估,预后评价及疗效观察。
Objective: To explore the diagnostic value of PCT test on children’s respiratory infection, disease evaluation and prognostic value. Methods: Eighty children with respiratory tract infection were selected. The specimens were collected on the day of admission. Before the use of antibiotics, venous blood was collected for detection of PCT, CRP and WBC. Blood culture, sputum culture or pharyngeal inoculation were also performed. Respiratory virus IgM and Ig M, Mycoplasma pneumoniae antibody IgM. After symptom relief, review PCT. Results: Among the 56 cases of bacterial infection, 53 were positive for PCT test (94.6%). Conclusion: PCT and CRP are clinical markers of inflammation. PCT has early sensitivity and specificity, which is helpful for the early evaluation, prognosis evaluation and curative effect observation.