The Similarities and Differences of Migraine with Aura and Migraine Without Aura: A Preliminary Study

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Abstract
A preliminary study was undertaken to provide clinical evidence to support the hypothesis that: “Migraine with aura, migraine without aura and aura alone are the same condition, which differ in degree rather than pathophysiology.” At the City of London Migraine Clinic, 50 patients consecutively attending the clinic with a past or present history of migraine with aura were questioned. Of the 50 patients questioned 36 (70%) had a combination of migraine with aura, migraine without aura and/or aura alone; i.e. 70% had had more than one type of migraine attack. The duration, severity and frequency of attacks did not differ between migraine with and migraine without aura. Conclusion-the results support the hypothesis that migraine with and migraine without aura, and aura alone are not separate conditions, because: (1) most patients suffer from more than one type of migraine attack; (2) there are no significant differences in the characteristics of the migraine attacks in the different groups; (3) there are no significant differences in the characteristics of the subjects.
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