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Related Experiment Videos

Thermal sensitivity in unilateral headaches

N Becser1, T Sand, J A Pareja

  • 1Department of Neurology, University Hospital of Trondheim, Norway. nevrolog@medisin.ntnu.no

Cephalalgia : an International Journal of Headache
|February 9, 1999
PubMed
Summary

Patients with cluster headache and cervicogenic headache show altered thermal sensory thresholds, suggesting potential central or generalized peripheral dysfunction, unlike migraine patients.

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Area of Science:

  • Neurology
  • Pain Medicine
  • Sensory Neuroscience

Background:

  • Headache disorders like migraine, cluster headache, and cervicogenic headache are common neurological conditions.
  • Understanding the underlying sensory processing in these conditions is crucial for diagnosis and treatment.
  • Previous research has explored peripheral nerve function in headaches, but findings are often inconsistent.

Purpose of the Study:

  • To investigate thermal sensory thresholds in patients with migraine, cluster headache, and cervicogenic headache.
  • To compare sensory function between symptomatic and non-symptomatic sides of the head and body.
  • To explore potential evidence of peripheral or central nervous system dysfunction in different headache types.

Main Methods:

  • Thermal thresholds (warm and cold) were measured in the face, over the mastoid process (C2-3 area), and hands.

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  • Participants included patients with migraine (n=17), cluster headache (n=22), cervicogenic headache (n=20), and healthy controls (n=24 and n=56).
  • Statistical comparisons were made between headache groups and controls, and between symptomatic and non-symptomatic sides.

    • Main Results:

    • Migraine patients showed thermal thresholds similar to controls.
    • Cluster headache patients had significantly higher warm thresholds at cephalic points compared to controls.
    • Cervicogenic headache patients exhibited significantly higher warm and cold thresholds at both cephalic and noncephalic points compared to controls, with elevated warm thresholds over the mastoid process on the symptomatic side.

    Conclusions:

    • No clear evidence of focal or unilateral peripheral somatic nerve dysfunction (C or A-delta fibers) was found in any headache group.
    • A C2-3 root dysfunction cannot be excluded in cervicogenic headache.
    • Results suggest a possible bilateral central sensory dysfunction in cluster and cervicogenic headaches, or a generalized peripheral dysfunction.