Sympathectomy-induced vasodilation produced central hypothermia via net convection of the heat from the warmer central to cooler peripheral tissues. The net effect is an increase in peripheral tissue temperature at the expense of decreased central temperature.
Neural Blockade in Clinical Anesthesia and Management of Pain
By Michael J. Cousins, Phillip O. Bridenbaugh
Contributor Michael J. Cousins
Published by Lippincott Williams & Wilkins, 1997
p. 277