Neurotransmitter specificity of sympathetic denervation in Parkinson's disease

Y. Sharabi, S. T. Li, R. Dendi, C. Holmes, David S. Goldstein*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In PD, orthostatic hypotension reflects sympathetic noradrenergic denervation. The authors assessed sympathetic cholinergic innervation by the quantitative sudomotor axon reflex test (QSART) in 12 patients who had sympathetic neurocirculatory failure, markedly decreased cardiac 6-[18F] fluorodopamine-derived radioactivity, and subnormal plasma norepinephrine increments during standing. All 12 had normal QSART results. The sympathetic nervous system lesion in PD involves loss of postganglionic catecholaminergic but not cholinergic nerves.

Original languageEnglish
Pages (from-to)1036-1039
Number of pages4
Issue number6
StatePublished - 25 Mar 2003
Externally publishedYes


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