Objective To validate the diagnoses and to investigate epidemiological data from an
international, non‐clinic‐based, and large (n= 1604) survey of participants with cluster …

Background The aim of this study was to investigate clinical features of a cluster headache
cohort in Sweden and to construct and test a new scale for grading severity. Methods …

Background Current criteria help differentiate cluster headache from migraine. However,
children may have overlapping features making it difficult to distinguish the 2 conditions …

Background/Objectives Puberty seems to be a turning point in cluster headache (CH) onset.
To verify its influence on CH phenotype, we focused on cases with onset≤ 13 years. A …

Objective.—To present results from the United States (US) Cluster Headache Survey
including data on cluster headache demographics, clinical characteristics, suicidality …

Background Cluster headache (CH) is a primary headache disorder that is diagnosed based
on the patient's history. For large-scale epidemiologic and genetic studies, a web-based …

A multicenter one-year study was carried out on 6629 headache patients under 18 years of
age, attending 27 centers and clinics devoted to headache in Italy to identify the prevalence …

Most previous studies on cluster headache (CH) focus on Western populations. This study
aimed to investigate the clinical characteristics of CH in a neurology outpatient population in …

BACKGROUND: Cluster headache is a primary headache disorder with the distinct clinical
features: unilaterality, extreme pain, cranial autonomic features and periodicity. The …

Background: Cluster headache (CH) is one of the most painful conditions in humans and
there is limited epidemiological data on this debilitating condition. Objectives: To describe …