Hypersensitivity to Heat Pain Perception in Migraineurs

by mdpatrick on February 23, 2011

Ran across this, and while I’m not sure what it means in the context of sauna bathing, for example, I found it interesting nonetheless and wanted to save it down somewhere.

Thermal and mechanical pain thresholds in 20 episodic migraineurs, 20 chronic migraineurs, and 20 non-migraine control subjects were compared. Quantitative sensory testing was conducted when subjects had been migraine-free for at least 48ā€‰h. Heat, cold and mechanical pain thresholds, and heat and cold pain tolerance thresholds were measured. […]

Thermal pain thresholds and thermal pain tolerance thresholds differed significantly by headache group (Pā€‰=ā€‰0.001). During the interictal period, episodic and chronic migraineurs were more sensitive to thermal stimulation than non-migraine controls.

CONCLUSIONS: Interictal sensitisation may predispose the migraineur to development of headaches, may be a marker of migraine activity, and a target for treatment.

Just for reference, interictal refers to the period between headaches.

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