Table 4 Fulfilment of ICHD-3 diagnostic subcriteria and proposed subcriteria for headache attributed to ischemic stroke
Diagnostic criteria for headache attributed to ischemic stroke | Fulfilment of diagnostic criteria (number of patients with stroke) |
|---|---|
A. ICHD-3 diagnostic criteria | |
A. Any new headache fulfilling criteria C and D | 46 |
B. Acute ischaemic stroke has been diagnosed | 46 |
C. Evidence of causation demonstrated by either of the following: | |
C1. Headache has developed in very close temporal relation to other symptoms and/or clinical signs of ischaemic stroke, or has led to the diagnosis of ischaemic stroke | 46 |
C2. Headache has significantly improved in parallel with stabilization or improvement of other symptoms or clinical or radiological signs of ischaemic stroke | 25 |
D. Either of the following: | |
D1. Headache has resolved within 3 months | 25 |
D2. Headache has not yet resolved but 3 months have not yet passed | 21 |
Total fulfilling ICHD-3 criteria | 46 |
B. Proposed alternative diagnostic criteria | |
A. Any headache fulfilling B and C | 76 |
B. Acute ischaemic stroke has been diagnosed | 76 |
C. Evidence of causation demonstrated by the following: | |
C1 A new headache has developed within 24 h of other symptoms and/or clinical signs of ischaemic stroke of other symptoms and/or clinical signs of ischaemic stroke | 46 |
C2 A headache with altered characteristics has developed within 24 h of other symptoms and/or clinical signs of ischaemic stroke of other symptoms and/or clinical signs of ischaemic stroke | 30 |
D. Either of the following: | |
D1. Headache has resolved within 3 months | 25 |
D2. Headache has not yet resolved but 3 months have not yet passed | 51 |
Total fulfilling proposed criteria | 76 |