Abstract
Vera Osipova and her co-workers, on behalf of the Russian Headache Research Society, took one of our recent articles [1] as a starting point to express their opinion on the issue of chronic migraine (CM)/transformed migraine (TM) [2].
Highlights
Vera Osipova and her co-workers, on behalf of the Russian Headache Research Society, took one of our recent articles [1] as a starting point to express their opinion on the issue of chronic migraine (CM)/transformed migraine (TM) [2]
From the clinical perspective, we believe that we should all agree on the two following considerations: 1. In these patients, there are two subsequent levels of severity that should be kept entirely separate: the first level (L1) is represented by migraine without aura (MO) with a very high frequency of attacks, but with clinical features that still fully match the diagnostic criteria of the ICHD-II [3] for MO; the second level (L2) is represented by a type of headache that has become chronic daily or almost daily and can be considered a true complication of MO
The ICHD-II [3] included CM among complications of migraine, but for this migraine subtype it provided diagnostic criteria that have not much correspondence with clinical practice, as they merely represent a fraction of L1 patients
Summary
Vera Osipova and her co-workers, on behalf of the Russian Headache Research Society, took one of our recent articles [1] as a starting point to express their opinion on the issue of chronic migraine (CM)/transformed migraine (TM) [2]. Cevoli Department of Neurological Sciences, University of Bologna, Bologna, Italy
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