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Various diagnostic criteria have been proposed for chronic daily headaches. We tested the recently proposed revised criteria of the International Headache Society in a sample of patients with chronic daily headaches, most of whom were overusing acute medications, to assess their applicability in clinical practice compared to alternative classification systems.
Chronic daily headache that does not respond or no longer responds to prophylaxis is commonly encountered at specialist headache centres. Animal and brain imaging studies indicate that peripheral neurostimulation affects brain areas involved in pain modulation, providing a rationale for its use in these conditions. We examine problems related to the selection of chronic daily headache patients for...
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