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Broadening the Spectrum of Hypnic Headache: A Retrospective Cohort Study

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Resumo:Introduction: Hypnic headache is a rare headache disorder that requires strictly sleep-related attacks. There is also an ill-defined group of patients with recurrent predominant sleep-related nocturnal headache with occasional awake attacks, that are excluded from that diagnosis. Our aim was to compare these different groups and to understand whether their differences justify a distinct diagnosis. Methods: This is a retrospective cohort comparative study of patients with predominantly nocturnal (≥80% attacks) recurrent headache (PNRH) and hypnic headache (HH) attending to a tertiary Headache Clinic. Results: Thirty-one patients (83.9% female) were included, of whom 13 had PNRH, and 18 had HH (13 had probable and 5 definitive). There were no significant differences between groups regarding demographics, pain characteristics, and response to treatment. Both had a high (71%) frequency of previous migraine attacks and 51.7% fulfilled criteria for medication-overuse headache. Conclusion: Our data suggests that there is an overlap between predominantly nocturnal headache and exclusively nocturnal hypnic headache. Moreover, both may evolve from migraine. Although the pathophysiology of these disorders remains unknown, recurrent nocturnal headache may be another probable form of hypnic headache.
Autores principais:Dourado Sotero, Filipa
Outros Autores:Leal Rato, Miguel; Pavão Martins, Isabel
Assunto:Distúrbios da Cefaleia Primários/tratamento farmacológico Sono Headache Disorders, Primary/ drug therapy Sleep
Ano:2024
País:Portugal
Tipo de documento:artigo
Tipo de acesso:unknown
Instituição associada:Sociedade Portuguesa de Neurologia
Idioma:inglês
Origem:SINAPSE

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