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Fatal disseminated intravascular coagulation caused by Mycoplasma pneumoniae

C Chryssanthopoulos1, M Eboriadou, K Monti

  • 1Pediatric Department, Genematas General Hospital, Thessaloniki, Greece.

The Pediatric Infectious Disease Journal
|June 23, 2001
PubMed

Insights

Mycoplasma pneumoniae infection can cause fatal disseminated intravascular coagulation (DIC) in children. This case highlights the potential autoimmune mechanisms linking this infection to severe bleeding disorders.

Area of Science:

  • Pediatric Infectious Diseases
  • Hematology
  • Pulmonology

Background:

  • Disseminated intravascular coagulation (DIC) is a serious condition with high mortality.
  • Mycoplasma pneumoniae is a common respiratory pathogen, typically causing mild illness.
  • Autoimmune phenomena have been suggested in some atypical presentations of M. pneumoniae infections.

Observation:

  • A 7-year-old boy presented with fatal disseminated intravascular coagulation.
  • No other infectious agents were identified as the cause.
  • Diagnostic evidence included serological confirmation of M. pneumoniae infection and lung biopsy findings.

Findings:

  • The patient's disseminated intravascular coagulation was directly attributed to Mycoplasma pneumoniae infection.
  • A significant increase in complement fixation titers for M. pneumoniae confirmed recent infection.
  • Open lung biopsy provided critical pathological evidence.

Implications:

  • This case underscores the potential for severe, life-threatening complications from Mycoplasma pneumoniae.
  • It suggests a possible autoimmune pathway mediating DIC in response to M. pneumoniae.
  • Further research into the immunopathogenesis of M. pneumoniae is warranted to understand and potentially prevent such severe outcomes.

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