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Mycoplasma pneumoniae-Associated Bronchiolitis Obliterans Following Acute Bronchiolitis

Chengsong Zhao1, Jinrong Liu1, Haiming Yang1

  • 1Department of Respiratory Medicine, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, 100045, People's Republic of China.

Scientific Reports
|August 18, 2017
PubMed

Insights

Mycoplasma pneumoniae (M. pneumoniae)-associated bronchiolitis obliterans (BO) often follows acute M. pneumoniae bronchiolitis. This condition presents with airway obstruction and frequently overlaps with asthma, especially in patients with atopic history.

Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Pediatric Respiratory Medicine

Background:

  • Bronchiolitis obliterans (BO) is a rare sequela of Mycoplasma pneumoniae (M. pneumoniae) infection.
  • The clinical characteristics and progression of M. pneumoniae-associated BO remain incompletely understood.

Purpose of the Study:

  • To describe the clinical features, imaging findings, and outcomes of patients with M. pneumoniae-associated BO.
  • To investigate the relationship between M. pneumoniae-associated BO and asthma.

Main Methods:

  • Retrospective review of 17 patients diagnosed with M. pneumoniae-associated BO.
  • Analysis of clinical data, chest high-resolution computed tomography (HRCT) findings, lung function tests, and allergy testing.

Main Results:

  • All patients experienced M. pneumoniae-associated acute bronchiolitis before developing BO.
  • Clinical presentation included wheezing and/or dyspnea; HRCT showed mosaic attenuation, air trapping, bronchiectasis, and emphysema.
  • Lung function revealed reversible airway obstruction in most patients, with a high prevalence of atopy and asthma overlap.

Conclusions:

  • M. pneumoniae-associated BO is a distinct clinical entity that can develop after M. pneumoniae bronchiolitis.
  • The condition is characterized by significant airway obstruction and a strong association with atopic predisposition and asthma.
  • Early recognition and management are crucial for patients with M. pneumoniae-associated BO.

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