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目的探讨住院患儿急性下呼吸道感染肺炎支原体(MP)感染的诊断方法。方法选取深圳市龙岗区第二人民医院2007-01-2008-01呼吸道感染的患儿200例,将其分为A、B两组,A组的起病<7 d,B组起病≥7 d,分别进行肺炎支原体咽拭子培养与肺炎支原体MP-IgM检测。比较两组不同方法的阳性率。结果 A组中咽拭子培养阳性率显著高于肺炎支原体MP-IgM检测,P<0.05;B组中两组阳性率比较差异无统计学意义,P>0.05。结论采用肺支原体咽拭子快速培养用于早期诊断支小儿支原体感染的效果要优于肺炎支原体MP-IgM检测。
Objective To investigate the diagnosis of Mycoplasma pneumoniae (MP) infection in hospitalized children with acute lower respiratory tract infection. Methods A total of 200 children with respiratory tract infections were selected from the Second People ’s Hospital of Longgang District, Shenzhen from January 2007 to August 2008. The patients were divided into groups A and B. The onset of group A was less than 7 days and the incidence of group B was more than or equal to 7 d, Mycoplasma pneumoniae throat swab culture and Mycoplasma pneumoniae MP-IgM were detected. The positive rates of two different groups were compared. Results The positive rate of throat swab culture in group A was significantly higher than that of MP-IgM in mycoplasma pneumoniae (P <0.05). There was no significant difference in positive rate between the two groups in group B (P> 0.05). Conclusion The rapid culture of mycoplasma pneumoniae throat swab for the early diagnosis of Mycoplasma hyopneumoniae infection is better than the detection of Mycoplasma pneumoniae MP-IgM.