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《Chongqing Medicine》 2017-20
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Correlation between atypical respiratory pathogens infection and vitamin D level in children

An Na;Chen Xi;Liu Yunshuang;Zhong Fan;Wu Qian;Department of Clinical Laboratory,Mianyang Municipal Central Hospital;  
Objective To investigate the correlation between atypical respiratory pathogens infection and serum vitamin D(VitD)level in children.Methods Serum IgM antibody levels of 11 atypical respiratory pathogens were detected in 414 serum samples of child respiratory infection by using the respiratory tract 11-items detection reagent kits(indirect immunofluorescence assay),including respiratory syncytial virus(RSV),adenovirus(ADV),influenza A virus(FluA),influenza B virus(FluB),parainfluenzavirus(PFlu),Mycoplasma pneumonia(MP),Chlalmydia pneumoniae(CP),Coxsackie virus type B(CoxB),Coxsackie virus type A(CoxA)and legionella pneumophilia(LP).At the same time the electrochemiluminescence assay was used to measure serum VitD level.Results Among 414 samples,pathogen IgM was detected out in 214samples(51.69%),the top three places of detection rates were FluB,FluA and Mp,their positive rates were 32.13%,23.19% and 13.77% respectively;in cases of positive IgM antibody,17.63% of children developed single infection,34.06% of children developed 2kinds of pathogen or more mixed infection;there was no statistical difference in the VitD levels between the IgM antibody positive group(median 23.60ng/mL,3.37-71.50ng/mL)and the IgM antibody negtive group(median 23.95ng/mL,3.00-81.70ng/mL).The IgM antibody positive rate,single infection positive rate and mixed infection positive rate had no statistical difference between the VitD reduce group and the VitD normal group(P0.05).The positive rate of FluB,FluA and MP IgM antibody had no statistical difference between the VitD reduce group and the VitD normal group(P0.05).Atypical respiratory pathogens had no correlation with VitD(r=0.005,P=0.912).Conclusion Atypical respiratory pathogens infection may had no correlation with the VitD level reduce.
【CateGory Index】: R446.6;R725.6
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