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Mycoplasma pneumoniae encephalitis in childhood
Wen-Chuan Lin1, Ping-Ing Lee, Chun-Yi Lu
1Department of Pediatrics, National Taiwan University Hospital, Taipei, ROC.
Summary
Mycoplasma pneumoniae can cause acute childhood encephalitis, often presenting with fever and respiratory symptoms. Early consideration of this pathogen is crucial for timely diagnosis and supportive care in affected children.
Area of Science:
- Pediatric Neurology
- Infectious Diseases
- Neuroimmunology
Background:
- Mycoplasma pneumoniae is a significant cause of acute childhood encephalitis.
- Understanding its clinical spectrum and diagnostic markers is essential for effective management.
Purpose of the Study:
- To retrospectively review cases of Mycoplasma pneumoniae encephalitis in children.
- To analyze clinical manifestations, diagnostic methods, and outcomes.
Main Methods:
- Retrospective review of 17 pediatric cases diagnosed with Mycoplasma pneumoniae encephalitis.
- Diagnostic criteria included IgM antibodies, complement-fixation titers, and PCR.
- Clinical data, neuroimaging, EEG, and CSF findings were analyzed.
Main Results:
- Fever and respiratory symptoms were common (94% and 76%, respectively).
- Altered consciousness (65%) and seizures (41%) were frequent neurological signs.
- All patients had abnormal EEG and neuroimaging; CSF was abnormal in one-third.
- Most patients (82%) recovered fully, but 18% experienced sequelae.
Conclusions:
- Mycoplasma pneumoniae is a key pathogen in childhood encephalitis, especially with concurrent respiratory symptoms.
- Diagnosis should be considered in children presenting with fever and respiratory signs.
- Supportive treatment is the cornerstone of management for Mycoplasma pneumoniae encephalitis.