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Mycoplasma pneumoniae Infections and Primary Immune Deficiencies

Dimitri Poddighe1,2, Erkan Demirkaya3,4, Vitaliy Sazonov5

  • 1Department of Medicine, Nazarbayev University School of Medicine (Nur-Sultan), Nur-Sultan, Kazakhstan.

International Journal of Clinical Practice
|July 20, 2022
PubMed

Insights

Mycoplasma pneumoniae infections are not common in children with primary immunodeficiencies but can be severe. Early detection of M. pneumoniae is recommended, particularly for those with humoral immune deficiencies like hypogammaglobulinemia.

Area of Science:

  • Pediatric Infectious Diseases
  • Immunology
  • Respiratory Medicine

Background:

  • Mycoplasma pneumoniae is a common cause of community-acquired pneumonia in children.
  • Recurrent respiratory infections are a hallmark of primary immunodeficiencies (PIDs).
  • The role of M. pneumoniae in PIDs requires further elucidation.

Purpose of the Study:

  • To review the literature on the relevance of M. pneumoniae in children with PIDs.
  • To assess the clinical course and diagnostic considerations of M. pneumoniae infections in immunocompromised children.

Main Methods:

  • Systematic review of medical literature.
  • Analysis of case reports and studies focusing on M. pneumoniae in pediatric PIDs.
  • Literature search for M. pneumoniae infections in combined, humoral, and innate PIDs.

Main Results:

  • M. pneumoniae is not epidemiologically prevalent in children with PIDs.
  • M. pneumoniae infections can present with persistent or severe courses in this population.
  • Most reported cases involve patients with antibody deficiencies, specifically hypogammaglobulinemia.

Conclusions:

  • Active surveillance for M. pneumoniae is warranted in children with PIDs, especially those with humoral defects.
  • Prompt diagnosis and management are crucial for improving outcomes in immunocompromised children with M. pneumoniae.
  • Further research is needed to understand the specific mechanisms and risk factors for severe M. pneumoniae infections in PIDs.

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