Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters.

Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters. Research Abstract Details 

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Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters. Abstract Text:

A Panconesi,C Curradi,G Leoncini,B Anselmi,G Franchi,

Overdistension of the hand-forearm veins after a period of ischaemia-induced stasis causes local pain in a high percentage of migraineurs, but never in healthy subjects. To investigate the mechanism of such pain, we compared 5-hydroxytryptamine (5HT) whole blood levels and hand vein 5HT reactivity of migraine subjects who did experience pain during venous overdistension to those who did not. No differences were found in whole blood 5HT levels or in the venoconstrictor activity of 5HT between subjects experiencing pain and those who did not. No correlation was found between whole blood 5HT levels and the degree of 5HT-induced venoconstriction. Our results suggest that, if platelets are considered as a model of central antinociceptive 5HT neurons, pain appearance is not due to reduced 5HT at a central level and, therefore, to increased perception of peripheral nociceptive stimuli. Moreover, the similar 5HT venoconstrictive effect (indirect marker of venous tone and, therefore, of venous distensibility) seems to indicate that a mechanical factor is not involved in pain appearance during the HAVD test.

Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters. Publishing Authors By Initials

A Panconesi,C Curradi,G Leoncini,B Anselmi,G Franchi,

For similar cardiovascular system: blood vessels: veins research abstracts see: cardiovascular system: blood vessels: veins research

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Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Cephalalgia : an international journal of headache

VOLUME: 16

Page Numbers: 37-40

Journal Abbreviation: Cephalalgia

ISSN: 0333-1024

DAY: 11

MONTH: Feb

YEAR: 1996

Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters. Information

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LANGUAGE: eng

NlmUniqueID: 8200710

Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters. Keywords Mesh Terms:

KEYWORDS: Veins

MESH TERMS: physiopathology

Chemical & Substance for Abstract: Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters. Information

Substance Name: Serotonin

Registry Number: 50-67-9

Grant and Affiliation Information for Painful vein overdistension in migraine patients: no relationship with serotoninergic parameters.

AFFILIATION: Institute of Internal Medicine IV, University of Florence, Italy.

Country: NORWAY

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MEDLINETA: Cephalalgia

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