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503199 
Journal Article 
A possible role of ID-Migraine (TM) in the emergency department: study of an emergency department out-patient population 
Mostardini, C; d'Agostino, VC; Dugoni, DE; Cerbo, R 
2009 
Yes 
Cephalalgia
ISSN: 0333-1024
EISSN: 1468-2982 
29 
12 
1326-1330 
English 
Headache symptoms account for 1-3% of admissions to an emergency department (ED). Most patients affected by a primary headache (PH) have migraine, although they are often misdiagnosed as 'headache not otherwise specified'. We investigated the possibility of using ID-Migraine (ID-M) to improve migraine recognition in the ED setting. We planned a pilot study involving ED out-patients with a diagnosis of PH. Diagnoses of a blinded headache expert were subsequently matched with the ID-M results. We tested ID-M on 230 patients (199 PH, 31 secondary headaches). Considering only PH, ID-M exhibited a sensitivity of 0.94 and specificity of 0.83 with a positive predictive value (PPV) of 0.99. The ID-M is a simple migraine screener with high sensitivity, high specificity and high PPV, even in an ED-derived population. Methodical use of this tool in an ED setting may, once a secondary headache has been excluded, lead to rapid diagnosis of migraine. 
ID-Migraine screener; migraine; emergency department; migraine; diagnosis; headache diagnostic accuracy; id-migraine; primary-care; headache; management; diagnosis; screener; criteria