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Headache attributed to infection: observations on the IHS classification (ICHD-II).
E Marchioni1, E Tavazzi, G Bono
1Institute of Neurology, IRCCS C. Mondino, Pavia, Italy. enrico.marchioni@mondino.it
Cephalalgia : an International Journal of Headache
|November 23, 2006
Summary
This study revises the International Headache Society classification for headaches linked to infections. Proposed changes aim to clarify diagnostic criteria for meningitis, HIV/AIDS, and chronic post-infection headaches.
Area of Science:
- Neurology
- Infectious Diseases
Background:
- The International Headache Society (IHS) classification requires updates regarding headaches associated with infections.
- Existing diagnostic criteria for certain infection-related headaches are unclear or confusing.
Purpose of the Study:
- To revise specific sections of the IHS classification concerning headaches attributed to infections.
- To improve the clarity and accuracy of diagnostic criteria for infection-related headaches.
Main Methods:
- Literature search for original studies and reviews on headache and infections.
- Expert review by 15 neurologists using a checklist to assess relevance, comprehensibility, and coherence.
- Focused discussion on headaches attributed to lymphocytic meningitis, HIV/AIDS, and chronic post-infection conditions.
Main Results:
- Headache attributed to lymphocytic meningitis is heterogeneous and needs subgrouping.
- Diagnostic criteria for headache attributed to HIV/AIDS lack specificity and are confusing.
- Diagnostic criteria for chronic post-infection headache require reconsideration, as pain is not the sole defining feature.
Conclusions:
- Proposed revisions to the IHS classification will enhance the definition of headache profiles in specific CNS infections.
- Further prospective studies are recommended to refine understanding and classification of infection-related headaches.
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