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Published on: November 5, 2019
[Immune-mediated pericarditis in a patient with meningococcal meningitis]
Janne Fuglsang Hansen1, Isik Somuncu Johansen
1Infektionsmedicinsk Afdeling Q, Odense Universitetshospital, Sdr. Boulevard 29, 5000 Odense C, Denmark. janne_f_h@hotmail.com
Abstract:
Extrameningial manifestations in patients with meningococcal meningitis are rare. One of these manifestations is immune-mediated or purulent pericarditis. We present a case where a patient with meningococcal meningitis developed pericarditis on the 11th day after admission. A pericardial puncture was performed but the pericardial fluid regenerated after two days despite antibiotic treatment. The pericardial fluid showed no bacterial growth and PCR for bacterial DNA was negative. Subsequent steroid treatment proved to be effective, indicating a case of immune-mediated pericarditis.
Insights
Extrameningial manifestations of meningococcal meningitis are rare. This case highlights immune-mediated pericarditis, successfully treated with steroids after antibiotics failed.
Area of Science:
- * Infectious Diseases
- * Cardiology
- * Immunology
Background:
- * Meningococcal meningitis, a severe bacterial infection, can present with rare extrameningial complications.
- * Pericarditis, inflammation of the pericardium, is an uncommon manifestation.
- * Distinguishing between purulent and immune-mediated pericarditis is crucial for effective treatment.
Observation:
- * A patient admitted for meningococcal meningitis developed pericarditis 11 days post-admission.
- * Pericardial effusion recurred rapidly despite antibiotic therapy.
- * Pericardial fluid analysis revealed no bacterial growth or DNA, ruling out active infection.
Findings:
- * The absence of bacterial evidence in pericardial fluid suggested a non-purulent etiology.
- * Prompt response to corticosteroid treatment confirmed an immune-mediated mechanism.
- * This case underscores the possibility of immune-mediated pericarditis secondary to meningococcal meningitis.
Implications:
- * Clinicians should consider immune-mediated pericarditis in meningococcal meningitis patients with unexplained pericardial effusions.
- * Early recognition and appropriate immunosuppressive therapy can improve patient outcomes.
- * Further research is needed to elucidate the precise immunopathogenesis of this rare complication.
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