Epidemiologic study of cluster headache prevalence in a medium-size city in Brazil

Mauro E Jurno1, Bárbara S R Pereira1, Felipe A S Fonseca1

  • 1Faculdade de Medicina de Barbacena, Barbacena, Brasil.

Insights

This study found a cluster headache (CH) prevalence of 41.4 per 100,000 people in Barbacena, Brazil. This rate is lower than many global estimates for this debilitating neurological condition.

Area of Science:

  • Neurology
  • Epidemiology

Background:

  • Cluster headache (CH) is a severe primary headache disorder.
  • Epidemiological data on CH prevalence in Brazil is limited.

Purpose of the Study:

  • To determine the prevalence of cluster headache (CH) in Barbacena, Minas Gerais, Brazil.
  • To provide epidemiological data on CH in a Brazilian urban population.

Main Methods:

  • An observational, cross-sectional study was conducted in Barbacena, Brazil.
  • 36,145 inhabitants were screened, with 181 health agents completing questionnaires.
  • Diagnosis was confirmed by a headache specialist based on International Headache Society criteria.

Main Results:

  • 15 patients were diagnosed with cluster headache (CH).
  • The prevalence of CH was determined to be 0.0414% or 41.4 per 100,000 inhabitants.
  • This prevalence is lower than reported in many international studies.

Conclusions:

  • The prevalence of cluster headache in Barbacena is relatively low compared to global figures.
  • Further research is needed to understand regional variations in CH prevalence.
Abstract

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