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Macrolide-resistant Mycoplasma pneumoniae is an independent risk factor for bronchial mucus plug formation in

Xie Chunlian1, Zhou Lili1, Zhang Libin2

  • 1Department of Pediatric, Women and Children'S Hospital, Ganzhou, 341000, Jiangxi, China.

European Journal of Pediatrics
|March 24, 2025
PubMed

Insights

Macrolide-resistant Mycoplasma pneumoniae (MRMP) is a significant risk factor for bronchial mucus plugs in children. These plugs are associated with fever and longer hospital stays in pediatric patients.

Area of Science:

  • Pediatric Respiratory Medicine
  • Infectious Diseases
  • Microbiology

Background:

  • Mycoplasma pneumoniae (MP) infections can lead to the formation of bronchial mucus plugs.
  • Macrolide-resistant MP (MRMP) has been identified as a potential risk factor for these plugs.

Purpose of the Study:

  • To investigate the characteristics of bronchial mucus plug formation in children.
  • To identify the risk factors associated with bronchial mucus plugs, particularly focusing on Mycoplasma pneumoniae.

Main Methods:

  • A cohort of 578 children undergoing bronchoalveolar lavage was analyzed.
  • Next-generation sequencing and polymerase chain reaction were used to detect MP and macrolide resistance genes.
  • Statistical analysis, including logistic regression, identified independent risk factors.

Main Results:

  • Children with mucus plugs were older and had longer hospital stays, higher fever incidence, more complications, and increased hormone use.
  • The detection rate of MP and macrolide resistance was significantly higher in the mucus plug group.
  • Macrolide-resistant MP (MRMP) was identified as an independent risk factor for bronchial mucus plug formation.

Conclusions:

  • Bronchial mucus plugs are common in children with MP infection and are linked to fever and prolonged hospitalization.
  • Macrolide-resistant Mycoplasma pneumoniae is confirmed as an independent risk factor for bronchial mucus plug development in pediatric patients.

Keywords:
Mycoplasma pneumoniaeBronchial mucus plugBronchoalveolar lavageChildrenMacrolide-resistant

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