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[Secondary immunologically-caused myocarditis, pericarditis and exudative pleuritis due to meningococcal meningitis]
K Stange1, H J Damaschke, K Berwing
1I. Medizinische Klinik Klinikum Hoyerswerda Maria-Grollmuss-Strasse 10 02977 Hoyerswerda.
Abstract:
Myocarditis, pericarditis and pleural effusion as secondary immunological reactions due to meningococcal meningitis are rare. Meningococcal meningitis is itself uncommon, with a morbidity of approximately 1.25 cases per 100,000 inhabitants per year in Germany. Cardial participation could be observed either primary infectious-toxic in the first week or secondary immunologic in the second week after disease onset. In our patient, six days after the onset of meningococcal meningitis (serogroup B) a distinct swelling of the myocardium appeared together with pericardial effusion in the absence of Waterhouse-Friderichsen syndrome. This case is proving difficult to tackle therapeutically due to repeated relapses.
Insights
Secondary cardiac inflammation, including myocarditis and pericarditis, can rarely occur after meningococcal meningitis. This case highlights a challenging therapeutic response to these rare immunological reactions.
Area of Science:
- Immunology
- Cardiology
- Infectious Diseases
Background:
- Meningococcal meningitis is an uncommon bacterial infection with significant morbidity.
- Secondary immunological reactions, such as myocarditis, pericarditis, and pleural effusion, are rare complications.
- Cardiac involvement can manifest as primary infectious-toxic effects or secondary immunological responses.
Observation:
- A patient developed myocardial swelling and pericardial effusion six days after onset of meningococcal meningitis (serogroup B).
- The presentation occurred in the absence of Waterhouse-Friderichsen syndrome.
- The case demonstrated repeated relapses, posing therapeutic challenges.
Findings:
- The case illustrates a rare instance of secondary immunological cardiac complications following meningococcal meningitis.
- The timing suggests an immunological mechanism rather than a direct infectious-toxic effect.
- Therapeutic management was complicated by recurrent episodes.
Implications:
- This case underscores the importance of considering rare cardiac complications in patients with meningococcal meningitis.
- Early recognition and monitoring of cardiac involvement are crucial for effective management.
- Further research into the immunological pathways and therapeutic strategies for these rare reactions is warranted.