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Related Experiment Videos

Episodic paroxysmal hemicrania?

L Kudrow1, P Esperanca, N Vijayan

  • 1California Medical Clinic for Headache, Encino 91436.

Cephalalgia : an International Journal of Headache
|September 1, 1987
PubMed
Summary
This summary is machine-generated.

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Chronic paroxysmal hemicrania (CPH) may not always progress to a chronic stage. This study suggests an episodic form of paroxysmal hemicrania exists, challenging previous assumptions about CPH progression.

Area of Science:

  • Neurology
  • Headache Medicine

Background:

  • Chronic paroxysmal hemicrania (CPH) is characterized by severe unilateral headaches.
  • CPH is typically considered to inevitably progress to a chronic, unremitting stage.

Observation:

  • This study presents six case histories of patients with paroxysmal hemicrania.
  • Observed persistent cyclic patterns in headache frequency over extended periods.

Findings:

  • Cyclic patterns in paroxysmal hemicrania can persist for years, averaging 23 years.
  • The concept of a "pre-CPH" stage may be inaccurate due to this long-term cyclicity.
  • Evidence supports a classification of episodic paroxysmal hemicrania.

Implications:

  • Re-evaluation of the natural history and classification of paroxysmal hemicrania is warranted.

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  • The findings suggest that not all cases of paroxysmal hemicrania evolve into the chronic form.
  • This could lead to revised diagnostic criteria and treatment strategies for hemicrania.