Diagnostic microbiology and infectious disease · 2025
Analysis of Predictive Factors for Mycoplasma-associated Plastic Bronchitis in Children.
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Jiang Fengzhi, Zhou Xinlong, Zhang Huifang, Yuan Huihua, Li Xiaoxiu, Ma Caiyan
Аннотация
OBJECTIVE: In recent years, the prevalence of Mycoplasma pneumoniae infection has led to complications such as mycoplasma-associated plastic bronchitis (M-PB) in some children. Therefore, it is particularly important to identify the predictive factors of M-PB occurrence and make early diagnosis and treatment.
METHOD: Analyze the pathogen of PB and collect 32 cases of M-PB and 60 cases of non-morphological mycoplasma pneumonia (N-PB) for comparative analysis.
RESULT: (1) A total of 126 cases of plastic bronchitis (PB) were collected, and the main pathogens were as follows: among them, 112 cases were combined with mycoplasma infection, 16 cases were combined with rhinovirus, 15 cases were combined with Streptococcus pneumoniae and Haemophilus influenzae respectively, 10 cases were combined with adenovirus, 5 cases were combined with bocavirus, 5 cases were combined with Moraxella catarrhalis, 3 cases were combined with Staphylococcus aureus, and 3 cases were combined with influenza A and B viruses respectively. (2) Binary Logistic regression analysis showed that the duration of fever and the ratio of neutrophils to lymphocytes (NLR) in blood were independent predictors of M-PB occurrence. The duration of fever (OR 1.525, 95% confidence interval: 1.112-2.089, P = 0.009), and NLR (OR 1.738, 95% confidence interval: 1.121-2.694, P = 0.013) (as shown in Table 3).
CONCLUSION: The main pathogen of plastic bronchitis is mycoplasma, and most of them are resistant to macrolide antibiotics. Other pathogens include rhinovirus, Streptococcus pneumoniae, Haemophilus influenzae and adenovirus. The duration of fever and NLR are independent predictive factors for the occurrence of mycoplasma-related plastic bronchitis.
METHOD: Analyze the pathogen of PB and collect 32 cases of M-PB and 60 cases of non-morphological mycoplasma pneumonia (N-PB) for comparative analysis.
RESULT: (1) A total of 126 cases of plastic bronchitis (PB) were collected, and the main pathogens were as follows: among them, 112 cases were combined with mycoplasma infection, 16 cases were combined with rhinovirus, 15 cases were combined with Streptococcus pneumoniae and Haemophilus influenzae respectively, 10 cases were combined with adenovirus, 5 cases were combined with bocavirus, 5 cases were combined with Moraxella catarrhalis, 3 cases were combined with Staphylococcus aureus, and 3 cases were combined with influenza A and B viruses respectively. (2) Binary Logistic regression analysis showed that the duration of fever and the ratio of neutrophils to lymphocytes (NLR) in blood were independent predictors of M-PB occurrence. The duration of fever (OR 1.525, 95% confidence interval: 1.112-2.089, P = 0.009), and NLR (OR 1.738, 95% confidence interval: 1.121-2.694, P = 0.013) (as shown in Table 3).
CONCLUSION: The main pathogen of plastic bronchitis is mycoplasma, and most of them are resistant to macrolide antibiotics. Other pathogens include rhinovirus, Streptococcus pneumoniae, Haemophilus influenzae and adenovirus. The duration of fever and NLR are independent predictive factors for the occurrence of mycoplasma-related plastic bronchitis.