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Persistent neutrophilic meningitis in an immunocompetent patient after basilar skull fracture: case report
Jaime S Green1, Shira R Abeles, Daniel Z Uslan
1Department of Medicine, Division of Infectious Diseases, University of California, San Diego, California, USA. jsgreen@ucsd.edu
Background:
Persistent neutrophilic meningitis is an unusual form of chronic meningitis that is defined as clinical meningitis with a neutrophilic pleocytosis that persists for greater than 7 days despite empiric antimicrobial therapy. Although numerous disease processes can cause this syndrome, the majority of cases are due to opportunistic pathogens infecting immunocompromised hosts.
Case Presentation:
A 47 year-old female presented after basilar skull fracture with persistent neutrophilic meningitis unresponsive to empiric broad-spectrum antibiotics. After more than weeks of intensive therapy, 4 hospitalizations and 3 relapses, Nocardia cyriacigeorgica was identified from cerebral spinal fluid. Induction therapy was begun with Ceftriaxone and trimethoprim-sulfamethoxazole (TMP-SMX) for 6 weeks followed by therapy with TMP-SMX and doxycycline for one year. The patient made a complete recovery without sequelae.
Conclusions:
Due to the difficulty in obtaining a microbiologic diagnosis, appropriate treatment in cases of persistent neutrophilic meningitis is often delayed leading to morbidity, This case highlights a number of the unique features of Nocardia meningitis and the importance of considering Nocardia infection as a cause of persistent neutrophilic meningitis even in immunocompetent patients.
Insights
Persistent neutrophilic meningitis, often caused by opportunistic pathogens, can be challenging to diagnose. This case highlights Nocardia cyriacigeorgica as a treatable cause, even in immunocompetent individuals.
Area of Science:
- Neurology
- Infectious Diseases
- Microbiology
Background:
- Persistent neutrophilic meningitis is characterized by neutrophilic pleocytosis lasting over 7 days despite antibiotics.
- Opportunistic pathogens are common causes, particularly in immunocompromised patients.
Observation:
- A 47-year-old female presented with persistent neutrophilic meningitis following a basilar skull fracture.
- The condition was unresponsive to broad-spectrum antibiotics, leading to multiple hospitalizations and relapses.
- Nocardia cyriacigeorgica was eventually identified in the cerebrospinal fluid.
Findings:
- Successful treatment involved a combination of Ceftriaxone and trimethoprim-sulfamethoxazole (TMP-SMX), followed by long-term TMP-SMX and doxycycline.
- The patient achieved a complete recovery without any lasting neurological deficits.
Implications:
- Delayed diagnosis of persistent neutrophilic meningitis can lead to significant morbidity.
- Nocardia meningitis should be considered in persistent neutrophilic meningitis cases, even in immunocompetent patients.
- Early and accurate microbiologic diagnosis is crucial for effective treatment and improved patient outcomes.
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