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Related Experiment Videos

"Hemicrania continua": a clinical review.

C Bordini1, F Antonaci, L J Stovner

  • 1Department of Neurology, Trondheim University Hospital, Norway.

Headache
|January 1, 1991
PubMed
Summary

Hemicrania continua (HC) is a rare headache disorder primarily affecting women and characterized by continuous, one-sided pain. This condition shows a significant female predominance and responds well to indomethacin treatment.

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Area of Science:

  • Neurology
  • Headache Medicine

Background:

  • Hemicrania continua (HC) is a distinct headache disorder.
  • It is characterized by continuous, unilateral pain.
  • HC is known for its complete responsiveness to indomethacin.

Purpose of the Study:

  • To review and summarize the characteristics of previously described cases of Hemicrania continua.
  • To analyze demographic data, pain patterns, and associated symptoms.
  • To highlight novel observations regarding HC, such as female preponderance.

Main Methods:

  • Literature review of 18 reported cases of Hemicrania continua since 1984.
  • Analysis of patient demographics (gender ratio).
  • Evaluation of headache characteristics including laterality, continuity, and intensity.

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Main Results:

  • A significant female preponderance was observed (15 females: 3 males, F:M ratio of 5.0).
  • The headache is typically unilateral, remaining on one side, though bilateral involvement occurred in some severe cases.
  • While initially continuous in 8 cases, 16 of 18 cases developed continuous pain over time. Pain intensity was generally moderate, with less pronounced autonomic features compared to other unilateral headaches.

Conclusions:

  • Hemicrania continua exhibits a notable female predominance, a characteristic shared with chronic paroxysmal hemicrania.
  • The headache typically evolves to a continuous pattern and is generally of moderate intensity.
  • Autonomic symptoms are less severe in HC than in conditions like cluster headache or chronic paroxysmal hemicrania.