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Centrally and locally mediated vasomotor activities in Raynaud's phenomenon
Scandinavian Journal of Work, Environment & Health
Vol. 13, No. 4, Stockholm Workshop 86: Symptomatology and diagnostic methods in the hand-arm vibration syndrome: Hässelby Castle, Stockholm, 21—23 May 1986 (August 1987), pp. 309-312
Published by: the Scandinavian Journal of Work, Environment & Health, the Finnish Institute of Occupational Health, the Danish National Research Centre for the Working Environment, and the Norwegian National Institute of Occupational Health
Stable URL: http://www.jstor.org/stable/40965470
Page Count: 4
You can always find the topics here!Topics: Raynaud disease, Arteries, Fingers, Capillaries, Anatomy, Blood pressure, Blood vessels, Cooling, Abnormal reflexes, Vasoconstrictors
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A selective review on the attack of Raynaud's phenomenon in primary Raynaud's phenomenon and vibration-induced white finger is presented with special reference to the location of the primary vasospasm, the nature of the dominant pathophysiological mechanism, and the anatomic location of the abnormal link in this mechanism. It is suggested that the primary vasospasm is a total closure of the main digital arteries, that the arterial spasm is mainly mediated through an exaggerated central sympathetic reflex mechanism, and that the abnormal link in this reflex arch could be the smooth muscle cells of the digital arteries. Other anatomic locations of the abnormal link can however not be excluded as yet.
Scandinavian Journal of Work, Environment & Health © 1987 Scandinavian Journal of Work, Environment & Health