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Post-traumatic headache: epidemiology and pathophysiological insights

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Post-traumatic headache (PTH) is a highly disabling secondary headache disorder and one of the most common sequelae of mild traumatic brain injury, also known as concussion. Considerable overlap exists between PTH and common primary headache disorders. The most common PTH phenotypes are migraine-like headache and tension-type-like headache. A better understanding of the pathophysiological similarities and differences between primary headache disorders and PTH could uncover unique treatment targets for PTH. Although possible underlying mechanisms of PTH have been elucidated, a substantial void remains in our understanding, and further research is needed. In this Review, we describe the evidence from animal and human studies that indicates involvement of several potential mechanisms in the development and persistence of PTH. These mechanisms include impaired descending modulation, neurometabolic changes, neuroinflammation and activation of the trigeminal sensory system. Furthermore, we outline future research directions to establish biomarkers involved in progression from acute to persistent PTH, and we identify potential drug targets to prevent and treat persistent PTH.

Original languageEnglish
JournalNature reviews. Neurology
Volume15
Issue number10
Pages (from-to)607-617
Number of pages11
ISSN1759-4758
DOIs
Publication statusPublished - Oct 2019

ID: 58653435