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Table 2 Eligibility of subjects for participation in the study of dietary interventions for chronic daily headache, May 2010

From: Low omega-6 vs. low omega-6 plus high omega-3 dietary intervention for Chronic Daily Headache: Protocol for a randomized clinical trial

All subjects are evaluated by a neurologist prior to enrollment

Inclusion Criteria

Exclusion Criteria

• Subjects >18 years of age

• Marked depression, anxiety or psychosis

• Either gender

• Meets 2004 ICHD-II* criteria for Chronic Daily Headache

• Headache frequency days/month: > 15

• Headache history: > 2 years

Includes: Chronic migraine, transformed episodic migraine into CDH, chronic tension-type headache and persistent daily headache

• Willing to complete daily diary for 6 weeks

• Able to attend 12 weekly treatments

• Under care of physician for headaches

• Able to read and communicate in English

• Pregnancy or anticipated pregnancy

• Active treatment for a major medical illness, such as malignancy, autoimmune or immune deficiency disorder

• History of significant head trauma or head/neck surgery within the past 2 years

• History of subarachnoid or intra-cerebral hemorrhage or chronic subdural hematoma

• History of clotting disorder

• History of systemic infection such as meningitis or encephalitis

• History of vasculitis or intracranial mass

• Cognitive dysfunction that would prevent informed consent

  1. *International Classification of Headache Disorders, defined by expert members of the International Headache Society