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Related Experiment Videos

Chronic paroxysmal hemicrania: a chronobiological study (case report).

G Micieli1, A Cavallini, F Facchinetti

  • 1Department of Neurology, C. Mondino Foundation, University of Pavia, Italy.

Cephalalgia : an International Journal of Headache
|December 1, 1989
PubMed
Summary

This study investigated the 24-hour patterns of physiological rhythms in a patient with chronic paroxysmal hemicrania (CPH). Findings revealed severe alterations in these rhythms, suggesting a potential common mechanism with cluster headache (CH).

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[Not Available].

Italian journal of neurological sciences·2016

Area of Science:

  • Chronobiology
  • Neurology
  • Endocrinology

Background:

  • Chronic paroxysmal hemicrania (CPH) is a rare headache disorder.
  • Understanding its underlying pathophysiology, particularly its temporal patterns, is crucial.
  • Previous research in cluster headache (CH) suggests biorhythmic dysregulation.

Observation:

  • The 24-hour patterns of blood pressure (BP), heart rate (HR), plasma catecholamines (CA), beta-endorphins (beta-EP), beta-lipotropin (beta-LPH), and RIII threshold were monitored.
  • Investigations were conducted during both drug-free and indomethacin treatment phases.
  • A single patient with CPH was the subject of this investigation.

Findings:

  • Severe alterations were observed in most investigated biorhythms during the drug-free phase of CPH.

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  • These significant rhythm disturbances persisted even during indomethacin therapy.
  • The observed pattern of dysregulation in CPH closely resembles findings from studies on cluster headache (CH).

    • Implications:

    • The data suggest a potential common pathophysiological mechanism between CPH and CH.
    • Further research into shared biorhythmic disruptions may elucidate CPH and CH etiology.
    • This study highlights the importance of chronobiological investigations in headache disorders.