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Published on: November 5, 2019
Confirmation of meningococcal disease by urinary antigen testing
1Scottish Meningococcus and Pneumococcus Reference Laboratory, House on the Hill, Stobhill Hospital, Glasgow G21 3UW, UK. stuart.clarke@northglasgow.scot.nhs.uk
Summary
Rapid diagnosis of meningococcal disease (MD) is crucial. While urinary PCR is ineffective, latex agglutination tests on urine may aid in diagnosing MD in specific situations.
Area of Science:
- Microbiology
- Infectious Diseases
- Diagnostic Laboratory Science
Background:
- Neisseria meningitidis (meningococcus) causes significant morbidity and mortality.
- Accurate, non-culture-based diagnostic methods are essential for timely treatment.
- Urine is a preferred non-invasive body fluid for diagnostic testing.
Purpose of the Study:
- To evaluate the utility of non-culture-based methods for diagnosing meningococcal disease (MD).
- To assess the effectiveness of Polymerase Chain Reaction (PCR) and latex agglutination testing in urine samples for MD confirmation.
Main Methods:
- Urine samples were collected from patients with suspected meningococcal disease.
- Samples were analyzed using latex agglutination and PCR techniques.
- Diagnostic performance of both methods was evaluated.
Main Results:
- Urinary PCR was found to be ineffective for the laboratory confirmation of meningococcal disease.
- Latex agglutination testing of urine samples showed potential utility in specific clinical settings.
- Latex agglutination may serve as a preliminary diagnostic tool before reference laboratory confirmation.
Conclusions:
- Urinary PCR is not a reliable method for confirming meningococcal disease.
- Latex agglutination testing of urine may be a useful adjunct diagnostic tool for suspected MD.
- Further evaluation in specific settings is warranted for latex agglutination in MD diagnosis.
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