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Published on: November 5, 2019
Chronic meningitis
1Feinberg School of Medicine, Northwestern University, Division of Infectious Diseases, Children's Memocrial Hospital, Chicago, IL 60614, USA. ttan@northwestern.edu
Abstract:
Chronic meningitis is a clinical syndrome that is characterized by persistent or progressive signs and symptoms of meningitis associated with cerebrospinal fluid pleocytosis and elevated protein concentrations, lasting for a duration of at least 4 weeks without improvement. A large number of infectious and noninfectious diseases, many of which are difficult to diagnose, can cause chronic meningitis. Careful attention to exposure and travel history, physical examination findings, and certain patterns of CSF parameters, coupled with other specific laboratory evaluations, all play important roles in trying to identify the etiologic agent causing the chronic meningitis.
Insights
Chronic meningitis, a condition lasting over four weeks, presents with persistent symptoms and cerebrospinal fluid abnormalities. Identifying the cause requires detailed patient history, physical exams, and specific laboratory tests for accurate diagnosis.
Area of Science:
- Neurology
- Infectious Diseases
- Clinical Medicine
Background:
- Chronic meningitis is defined by persistent symptoms and cerebrospinal fluid (CSF) changes for at least four weeks.
- Numerous infectious and noninfectious etiologies can lead to chronic meningitis, often posing diagnostic challenges.
Purpose of the Study:
- To outline the diagnostic approach for chronic meningitis.
- To emphasize the importance of a comprehensive evaluation in identifying the causative agent.
Main Methods:
- Review of clinical presentation and diagnostic criteria for chronic meningitis.
- Analysis of the role of patient history, physical examination, and CSF analysis.
- Highlighting the necessity of specific laboratory investigations.
Main Results:
- Chronic meningitis presents with specific clinical and CSF findings (pleocytosis, elevated protein).
- A wide range of diseases can cause this condition, complicating diagnosis.
- Systematic evaluation is crucial for etiological identification.
Conclusions:
- Accurate diagnosis of chronic meningitis relies on integrating clinical data with laboratory findings.
- Thorough investigation, including exposure history and CSF analysis, is essential for effective management.
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