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Stroke, Vol 14, 286-289, Copyright © 1983 by American Heart Association

ARTICLES

The chronic influence of sympathetic nerves on cerebral vessels is age- related

SM Mueller, PJ Ertel, DL Felten and JM Overhage

The purpose of this study was to determine the effect of chronic sympathetic denervation on cerebral vessels of the spontaneously hypertensive rat when superior cervical ganglionectomy was performed in adulthood. In a previous study, we have demonstrated increased protein transfer across the cerebral vessels of the chronically denervated hemisphere when superior cervical ganglionectomy was performed in adolescent spontaneously hypertensive rats. After four weeks of sympathetic denervation, the adult rats in this study did not demonstrate increased protein transfer in the denervated compared to the innervated cerebral hemisphere. Thus, the "trophic" effect of sympathetic nerves on cerebral vessels appears to be age-related.