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Update on protracted bacterial bronchitis in children.

Xiao-Bo Zhang1, Xiao Wu1, Guang-Min Nong2

  • 1Pediatric Department, First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China.

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Summary
This summary is machine-generated.

Protracted bacterial bronchitis (PBB) in children often presents as chronic wet cough, particularly in young males, and may involve wheezing and airway issues. Treatment is effective for most, but prolonged antibiotics may be needed for those with comorbidities.

Keywords:
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Area of Science:

  • Pediatrics
  • Respiratory Medicine
  • Infectious Diseases

Background:

  • Chronic cough is a prevalent symptom in pediatric populations.
  • Protracted bacterial bronchitis (PBB) is a significant, yet not fully understood, cause of chronic cough in children.
  • This study aims to provide an updated understanding of PBB in children.

Purpose of the Study:

  • To update current knowledge on protracted bacterial bronchitis (PBB) in children.
  • To analyze clinical features and outcomes of PBB in pediatric patients.
  • To compare PBB characteristics between China and Western countries.

Main Methods:

  • Retrospective analysis of clinical data from 712 children diagnosed with PBB (2014-2018).
  • Inclusion of 52 cases from the authors' center and 660 cases from 14 published studies.
  • Systematic literature review of electronic databases (May 2019) for relevant clinical studies.

Main Results:

  • PBB predominantly affects children under 6 years, presenting with chronic wet cough.
  • Laryngomalacia was identified in 3 cases; microbiologically confirmed PBB involved Streptococcus pneumoniae, Staphylococcus aureus, and Pseudomonas aeruginosa.
  • Most patients experienced symptom resolution after treatment, though comorbidities necessitated prolonged antibiotic courses.

Conclusions:

  • Protracted bacterial bronchitis (PBB) is common in male infants with chronic wet cough, often accompanied by wheezing and airway deformities.
  • Clinical diagnosis of PBB is prevalent in China, while microbiologically confirmed cases are more common in Western countries.
  • Streptococcus pneumoniae and Haemophilus influenza are key pathogens; extended antibiotic treatment may be required for patients with comorbidities.