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目的:调查比较高原高寒气候下肺炎支原体(MP)感染在社区获得性肺炎(CAP)中所占的发病率,分析MP发病率与性别、年龄、季节的流行病学特征,为临床预防及治疗提供指导。方法:分析近5年7 470例在我院就诊的不同性别及年龄呼吸道感染患者的肺炎支原体抗体(MP-IgM)。结果:(1)在7 470例就诊者中检出MP-IgM阳性837例,阳性率11.2%;(2)MP阳性率,女性高于男性,差异有统计学意义;(3)各年龄段均有感染,但随年龄增长逐渐降低,学龄期儿童MP阳性率最高,高达26.05%;(4)MP感染全年均可发生,冬季感染率最高;(5)837例MP-IgM抗体阳性患者中合并感染其他病原体阳性率39.9%,其中合并感染一种病原体,阳性率25.45%,合并两种病原体阳性率7.65%,合并三种及以上病原体,阳性率6.81%。结论:西宁地社区获得性肺炎中以MP感染高发,女性高发于男性,感染好发于学龄期阶段儿童,流行以冬季发病率最高,且与其他呼吸道病原体混合感染率较高。
Objective: To investigate the prevalence of Mycoplasma pneumoniae (MP) infection in community-acquired pneumonia (CAP) in plateau and alpine climates and to analyze the epidemiological characteristics of MP incidence, sex, age and season for clinical prevention and treatment Provide guidance. Methods: The Mycoplasma pneumoniae antibody (MP-IgM) was analyzed in 7 470 cases of respiratory tract infections of different sexes and ages in our hospital in recent 5 years. Results: (1) The positive rate of MP-IgM was found in 7 470 cases (837 cases), with a positive rate of 11.2%. (2) The positive rate of MP was higher in women than in men, with statistical significance. (3) (4) MP infection could occur all year round with the highest infection rate in winter; (5) Among 837 MP-IgM positive patients, the positive rate of MP was the highest in school-age children, up to 26.05% The positive rate of other pathogens was 39.9%. The positive rate was 25.45%. The positive rate of the two pathogens was 7.65%. The positive rate of the two pathogens was 6.81%. CONCLUSIONS: Infection in community-acquired pneumonia in Xining is predominantly MP-infected and women are predominant in men. The infection occurs predominantly in children of school-age stage, with the highest prevalence in winter and a higher prevalence of mixed infection with other respiratory pathogens.