Secondary headache can be definitely diagnosed only when solid evidence exists from published scientific studies that the disorder is capable of causing headache. Primary or secondary headache or both – clinically/scientifically spoken a dead end? These entities are a challenging diagnostic problem as can be primary or secondary and the etiologies for secondary cases differ depending on the headache type. In other words, since headache is very prevalent, it can occur simultaneously with another disorder with and without a causal relation. But, when a pre-existing headache with the characteristics of a primary headache disorder becomes chronic or is made significantly worse in close temporal relation to such trauma or injury, both the initial (primary) headache diagnosis and a diagnosis of “ Headache attributed to trauma or injury to the head and/or neck (or one of its types or subtypes)” should be given.
However, it may be possible, that this headache phenomenologically appears to be a primary headache. For example, when a new headache occurs for the first time in close temporal relation to trauma or injury to the head and/or neck, it is coded as a “ secondary headache attributed to the trauma or injury”. S2 The secondary headaches: a cul de sac for the headache expert ? Christian Lampl Headache Medical Center, Seilerstätte, Ordensklinikum Linz Barmherzige Schwestern, AustriaĪccording to the new ICHD 3 diagnostic criteria a de novo headache occurring with another disorder recognized to be capable of causing it is always diagnosed as secondary. The KATP channel in migraine pathophysiology: a novel therapeutic target for migraine. Al-Karagholi MAM, Hansen JM, Severinsen J, Jansen-Olesen I, Ashina M. This abstract was not included as it has been previously published. S1 KATP channels Mohammad Al-Mahdi Al-Karagholi Danish Headache Center, Department of Neurology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
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