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Lateralisation of pain in cluster headache
Paolo Procacci1, Massimo Zoppi, Marco Maresca
1Istituto di Clinica Medica 1°, Servizio di Algologia, Università di Firenze, 50134 FlorenceItaly Istituto di Patologia Medica e Farmacologia Clinica, Università di Firenze, 50134 FlorenceItaly.
Pain
|September 1, 1989
Summary
Cluster headache involves widespread bodily sensory changes, with pain sensitivity often lateralized to the side of attacks. These findings suggest central nervous system facilitation and reflex arc activation contribute to the pain experience.
Area of Science:
- Neurology
- Pain Medicine
- Neuroscience
Background:
- Cluster headache is a severe primary headache disorder.
- The underlying mechanisms of cluster headache pain are not fully understood.
- Sensory changes in cluster headache patients require further investigation.
Purpose of the Study:
- To investigate the extent and lateralization of sensory disturbances in patients with cluster headache.
- To explore the potential role of central nervous system mechanisms in cluster headache pain.
Main Methods:
- Sensory examination in 27 cluster headache patients.
- Measurement of sensory thresholds (mechanical, electrical).
- Assessment of cutaneous and deep hyperalgesia.
- Ischemic test of upper limbs.
Main Results:
- Lateralization of sensory findings was observed in most patients.
- Cutaneous and deep hyperalgesia were more prevalent on the side of cluster headache attacks.
- Sensory changes extended beyond the head region.
Conclusions:
- Cluster headache is associated with widespread, lateralized sensory changes.
- Central nervous system facilitation and reflex arc activation may contribute to these phenomena.
- Findings suggest a systemic component to cluster headache pain.