Risk factors for recurrent wheezing in infants and young children suffering from dust mite allergy after their first wheezing

YANG Yan-Zhen; CAI Meng-Yun; ZHANG Bao-Zhong; ZHOU Bing-Xin; CHEN-Rou; FANG Run-Tao

doi:10.7499/j.issn.1008-8830.2016.12.012

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Chinese Journal of Contemporary Pediatrics ›› 2016, Vol. 18 ›› Issue (12) : 1259-1263. DOI: 10.7499/j.issn.1008-8830.2016.12.012

CLINICAL RESEARCH

Risk factors for recurrent wheezing in infants and young children suffering from dust mite allergy after their first wheezing

YANG Yan-Zhen, CAI Meng-Yun, ZHANG Bao-Zhong, ZHOU Bing-Xin, CHEN-Rou, FANG Run-Tao

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Abstract

Objective To investigate the risk factors for recurrent wheezing in infants and young children suffering from dust mite allergy after their first wheezing. Methods A total of 1 236 infants and young children who experienced a first wheezing episode and were hospitalized between August 2014 and February 2015 were enrolled, among whom 387 were allergic to dust mites. These infants and young children were followed up to 1 year after discharge. A total of 67 infants and young children who experienced 3 or more recurrent wheezing episodes within 1 year were enrolled as the recurrent wheezing group, while 84 infants and young children who did not experience recurrent wheezing during follow-up were enrolled as the control group. Univariate analysis and multivariate logistic stepwise regression analysis were performed to investigate the risk factors for recurrent wheezing in these patients. Results The univariate analysis showed that the age on admission, wheezing time before admission, Mycoplasma pneumoniae infection rate, and influenza virus infection rate were associated with recurrent wheezing. The multivariate logistic stepwise regression analysis showed that the older age on admission (OR=2.21,P=0.04) and Mycoplasma pneumoniae infection (OR=3.54,P=0.001) were independent risk factors for recurrent wheezing. Conclusions Infants and young children who are allergic to dust mites, especially young children, have a significantly increased risk of recurrent wheezing if they are complicated by Mycoplasma pneumoniae infection during the first wheezing episode.

Key words

Wheezing / Dust mite / Mycoplasma pneumoniae / Risk factor / Infant and young child

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YANG Yan-Zhen, CAI Meng-Yun, ZHANG Bao-Zhong, ZHOU Bing-Xin, CHEN-Rou, FANG Run-Tao. Risk factors for recurrent wheezing in infants and young children suffering from dust mite allergy after their first wheezing[J]. Chinese Journal of Contemporary Pediatrics. 2016, 18(12): 1259-1263 https://doi.org/10.7499/j.issn.1008-8830.2016.12.012

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