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Published on: June 2, 2014
Prevalence of typical migraine aura without headache in Japanese ophthalmology clinics
Saiko Aiba1, Muneto Tatsumoto, Akihiro Saisu
1Department of Neurology, Dokkyo Medical University, Tochigi, Japan.
Abstract:
The aim of this study was to investigate the prevalence and characteristics of typical aura without headache (TAWH) in Japan. We distributed a self-report questionnaire comprising seven items. Of 1914 cases, the number of patients who provided valid answers was 1063. They included 1063 out-patients with 81 of these patients positive in the ID migraine screener Japanese version. TAWH was diagnosed in 35 patients (3.2%), aged 23-87 years, and included 12 males and 23 females. The age of patients with TAWH showed a biphasic distribution (20-39 years and 60-69 years), similar to the age distribution of all patients. Migraine with aura was diagnosed in 67 patients (6.3%) and showed a monophasic age distribution (40-49 years). These data suggest that TAWH is not a rare headache type in clinics especially in a setting of general ophthalmology clinics, and some patients of migraine with aura may transform to TAWH with ageing.
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