检验医学 ›› 2016, Vol. 31 ›› Issue (5): 379-382.DOI: 10.3969/j.issn.1673-8640.2016.05.008

• 临床应用研究·论著 • 上一篇    下一篇

血清PCT检测在下呼吸道感染诊治中的应用

段秀群, 尹良琼, 龚国富   

  1. 鄂州市中心医院,湖北 鄂州 436000
  • 收稿日期:2015-06-15 出版日期:2016-05-30 发布日期:2016-06-13
  • 作者简介:null

    作者简介:段秀群,女,1976年生,学士,副主任技师,主要从事临床免疫学检验研究。

    通讯作者:龚国富,联系电话:0711-3222284。

Serum PCT determination in the diagnosis and treatment of lower respiratory tract infection

DUAN Xiuqun, YIN Liangqiong, GONG Guofu   

  1. Ezhou Central Hospital,Ezhou 436000,Hubei,China
  • Received:2015-06-15 Online:2016-05-30 Published:2016-06-13

摘要:

目的 探讨血清降钙素原(PCT)测定在下呼吸道感染鉴别诊断及治疗中的应用价值。方法 将200例下呼吸道感染患者按临床症状、胸部X线检查、实验室检查(痰培养、血清学检测、抗原检测、分子生物学检测)等结果分为细菌感染组、病毒感染组、支原体和衣原体感染组,同时选取健康体检者50名作为正常对照组,比较各组PCT水平;再将细菌感染组按患者自愿原则分成对照组和治疗组,对照组按照抗菌药物使用指南进行常规抗菌药物治疗,治疗组采用PCT水平监测其抗菌药物使用情况,比较2个组抗菌药物使用率及使用天数、患者住院时间及住院费用等。结果 细菌感染组、支原体和衣原体感染组血清PCT水平显著高于病毒感染组和正常对照组(P<0.05);细菌感染组与支原体和衣原体感染组比较,差异亦有统计学意义(P<0.05);病毒感染组与正常对照组比较,差异无统计学意义(P>0.05)。细菌感染组、病毒感染组、支原体和衣原体感染组PCT检测阳性率分别为97.6%、17.1%、17.9%。治疗组、对照组抗菌药物平均使用率分别为45.75%和64.15%,抗菌药物使用天数分别为6.5±1.6和(10.1±2.2)d,患者住院天数分别为9.4±2.8和(12.8±4.5)d,患者住院费用分别为5 862.5±98.6和(7 420.5±115.4)元。以上4个指标2个组间差异均有统计学意义(P<0.05)。结论 PCT检测可以辅助临床鉴别下呼吸道感染类型,监测PCT水平对下呼吸道细菌感染患者的抗菌药物治疗具有指导意义。

关键词: 降钙素原, 下呼吸道感染, 抗菌药物

Abstract:

Objective To investigate the significance of serum procalcitonin(PCT) determination in the diagnosis and treatment of lower respiratory tract infection. Methods According to clinical symptoms,chest X-ray results and laboratory determination(sputum culture,serological detection,antigen detection and molecular biological detection) results,200 patients with lower respiratory tract infection were classified into bacterial infection,viral infection and mycoplasma and chlamydia infection groups,and their PCT levels were compared with those of 50 healthy subjects(healthy control group). According to the voluntary principles,the bacterial infection group was sub-classified into control group and treatment group. Control group was treated according to antibiotics usage guidelines for regular treatment,and treatment group was treated with antibiotics by monitoring PCT levels. The antibiotic usage rates,antibiotic usage days,the length of inhospital,inhospitalization expenses,and so on were compared between the 2 groups. Results PCT levels in bacterial infection group and mycoplasma and chlamydia infection group were significantly higher than those in viral infection group and healthy control group(P<0.05). PCT levels between bacterial infection group and mycoplasma and chlamydia infection group had statistical significance(P<0.05),and those between viral infection group and healthy control group had no statistical significance(P>0.05). PCT positive determination rates were 97.6% in bacterial infection group,17.1% in viral infection group and 17.9% in mycoplasma and chlamydia infection group. The antibiotic usage rates in treatment group and control group were 45.75% and 64.15%,respectively. The antibiotic usage days were 6.5±1.6 and(10.1±2.2)d. The lengths of inhospital were 9.4±2.8 and(12.8±4.5)d. Inhospitalization expenses were 5 862.5±98.6 and(7 420.5±115.4)CNY. The above statistics indices between the 2 groups had statistical significance(P<0.05). Conclusions PCT determination can assist the clinical identification of lower respiratory tract infection,and monitoring PCT level can provide a reference for antibiotic usage in lower respiratory tract bacterial infection.

Key words: Procalcitonin, Lower respiratory tract infection, Antibiotics

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