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NEUROLOGY 1989;39:1258
© 1989 American Academy of Neurology

Gustatory pain

A complication of carotid endarterectomy

Bradley T. Truax, MD

SUNYAB School of Medicine, Autonomic Studies Units, Buffalo VA Medical Center, Erie County Medical Center, Buffalo, NY.

A unique pain syndrome, triggered by gustatory stimuli in the absence of anatomic obstruction of the parotid duct, complicated carotid endarterectomy. We documented asymmetric parotid vasodilatation and sympathetic dysfunction in cutaneous areas overlaying the gland. We postulate that damage to the sympathetic innervation of the parotid gland resulted in unopposed parasympathetically mediated glandular vasodilatation. Vasoactive intestinal polypeptide may have played a role in producing symptoms. A similar syndrome occurs in patients with acute pandysautonomia.

Address correspondence and reprint requests to Dr. Truax, Department of Neurology, Erie County Medical Center, 462 Grider Street, Buffalo, NY 14215.

Received July 21, 1987. Accepted for publication in final form April 5, 1989.






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