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[Microbiologic-immunologic laboratory diagnosis in suspected meningitis/encephalitis].
B Heym1, F Schindera, R Ringelmann
1Institut für Medizinische Mikrobiologie und Immunologie, Städtisches Klinikum Karlsruhe, Akademisches Lehrkrankenhaus der Universität Freiburg.
Immunitat Und Infektion
|September 1, 1987
Summary
Rapid diagnosis of central nervous system infections is crucial. Laboratory tests combined with clinical symptoms effectively exclude or identify bacterial and viral meningitis, enabling timely treatment.
Area of Science:
- Clinical Microbiology
- Infectious Diseases
- Neurology
Context:
- Diagnosing central nervous system (CNS) infections, particularly bacterial meningitis, remains a critical challenge in clinical microbiology.
- Bacterial meningitis can lead to severe outcomes and long-term sequelae, necessitating prompt and accurate diagnosis.
- Emerging evidence highlights the susceptibility of viral infections, such as those caused by varicella or herpes viruses, to chemotherapy.
Purpose:
- To outline the importance of rapid diagnostic methods for CNS infections, including microscopy, Limulus test, and antigen detection.
- To detail the indications for cerebrospinal fluid (CSF) examination, optimal sample volumes, and stepwise diagnostic approaches.
- To present reference data from literature for various diagnostic techniques in CNS infection evaluation.
Summary:
- A combined analysis of laboratory results and clinical symptoms successfully excluded infectious etiology in 75% of cases.
- Bacterial meningitis or hydrocephalus shunt infections were diagnosed in 17% of patients.
- Viral infections were confirmed in 4% of cases through antibody or antigen detection, with 1% remaining unclear.
Impact:
- Highlights the effectiveness of a systematic diagnostic approach in managing CNS infections.
- Emphasizes the critical role of early and accurate diagnosis in initiating appropriate and timely patient therapy.
- Provides a framework for optimizing laboratory investigations and clinical assessments in suspected CNS infections.