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Published on: October 29, 2014
Fulminant Fusobacterium necrophorum meningitis in an immunocompetent adolescent
Giulia Angelino1, Nicoletta Cantarutti, Sara Chiurchiù
1Unit of Immunology and Infectious Disease, University Hospital Pediatric Department - Children's Hospital Bambino Gesù, Italy. andrea.finocchi@uniroma2.it
Abstract:
Fusobacterium necrophorum is an anaerobic, gram-negative highly virulent bacillus, isolated from the oropharingeal cavity, the gastrointestinal tract, and the female genital tract. It is responsible of several clinical syndromes, mainly in children or adolescents, ranging from localized abscess, usually in the upper respiratory sites, to severe septicemic diseases, including meningitis. We report the fatal case of an immunocompetent male with suppurative otitis media and meningitis. Initial empiric antibiotic treatment was not effective. After the recovery of anaerobic gram-negative bacilli from blood cultures, treatment with metronidazole was started, and a rapid improvement in laboratory parameters was observed. However, the patient's clinical course was incurable because of cerebral hypertensive complications. F. necrophorum was identified as the causative agent of this metastatic and fatal infection. This case has shown the severity of infection due to F. necrophorum and, at the same time, the underestimation of anaerobic bacteria in the spectrum of etiologic agents responsible for meningitis. Only a prompt diagnosis and an adequate treatment can improve the prognosis and avoid a fatal outcome.
Insights
Fusobacterium necrophorum, an anaerobic gram-negative bacillus, can cause severe meningitis. Prompt diagnosis and metronidazole treatment are crucial for managing this potentially fatal infection.
Area of Science:
- Microbiology
- Infectious Diseases
- Neurology
Background:
- Fusobacterium necrophorum is a virulent anaerobic, gram-negative bacillus found in the oropharynx, GI tract, and female genital tract.
- It causes various syndromes, particularly in children and adolescents, including localized abscesses and severe septicemic diseases like meningitis.
Observation:
- A case report details a fatal meningitis in an immunocompetent male, originating from suppurative otitis media.
- Initial antibiotic therapy was ineffective, highlighting challenges in treating F. necrophorum infections.
Findings:
- Blood cultures identified anaerobic gram-negative bacilli, leading to metronidazole treatment and initial laboratory improvement.
- Despite treatment, the patient succumbed to cerebral hypertensive complications, confirming F. necrophorum as the causative agent of this metastatic infection.
Implications:
- This case underscores the severity of F. necrophorum infections and the underestimation of anaerobic bacteria in meningitis etiology.
- Emphasizes the critical need for prompt diagnosis and appropriate antimicrobial therapy, such as metronidazole, to improve patient outcomes.
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