1 788例社区获得性肺炎非细菌性病原体分布特征分析

doi:10.7499/j.issn.1008-8830.2212079

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Abstract Objective To investigate the distribution characteristics of non-bacterial pathogens in community-acquired pneumonia (CAP) in children. Methods A total of 1 788 CAP children admitted to Shenyang Children's Hospital from December 2021 to November 2022 were selected. Multiple RT-PCR and capillary electrophoresis were used to detect 10 viral pathogens and 2 atypical pathogens, and serum antibodies of Chlamydial pneumoniae (Ch) and Mycoplasma pneumoniae (MP) were detected. The distribution characteristics of different pathogens were analyzed. Results Among the 1 788 CAP children, 1 295 children were pathogen-positive, with a positive rate of 72.43% (1 295/1 788), including a viral pathogen positive rate of 59.68% (1 067/1 788) and an atypical pathogen positive rate of 22.04% (394/1 788). The positive rates from high to low were MP, respiratory syncytial virus (RSV), influenza B virus (IVB), human metapneumovirus (HMPV), human rhinovirus (HRV), human parainfluenza virus (HPIV), influenza A virus (IVA), bocavirus (BoV), human adenovirus (HADV), Ch, and human coronavirus (HCOV). RSV and MP were the main pathogens in spring; MP had the highest positive rate in summer, followed by IVA; HMPV had the highest positive rate in autumn; IVB and RSV were the main pathogens in winter. The positive rate of MP in girls was higher than that in boys (P<0.05), and there were no significant differences in other pathogens between genders (P>0.05). The positivity rates of certain pathogens differed among age groups (P<0.05): the positivity rate of MP was highest in the >6 year-old group; the positivity rates of RSV and Ch were highest in the <1 year-old group; the positivity rates of HPIV and IVB were highest in the 1 to <3 year-old group. RSV, MP, HRV, and HMPV were the main pathogens in children with severe pneumonia, while MP was the primary pathogen in children with lobar pneumonia, and MP, IVB, HMPV, RSV, and HRV were the top 5 pathogens in acute bronchopneumonia. Conclusions MP, RSV, IVB, HMPV, and HRV are the main pathogens of CAP in children, and there are certain differences in the positive rates of respiratory pathogens among children of different ages, genders, and seasons.

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	WANG Shuang
	WANG Xue-Feng
	LI Na
	ZHANG Yue-Xin
	CHEN Jing
	WANG Gai-Mei

Key words： Community-acquired pneumonia Etiology Non-bacterial pathogen Distribution characteristics Child

Received: 17 December 2022

Corresponding Authors: Wang X-F，E-mail：Lnzywxf@163.com E-mail: Lnzywxf@163.com

Cite this article:

WANG Shuang,WANG Xue-Feng,LI Na et al. Distribution of non-bacterial pathogens in 1 788 children with community-acquired pneumonia[J]. CJCP, 2023, 25(6): 633-638.

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http://www.zgddek.com/EN/10.7499/j.issn.1008-8830.2212079 OR http://www.zgddek.com/EN/Y2023/V25/I6/633

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