Cerebral and Extracranial Neurodegeneration are Strongly Coupled in Parkinson’s Disease Alternate Title: Cerebral and Extracranial Neurodegeneration
Jörg Spiegel*, 1, Dirk Hellwig2, Wolfgang H Jost3, Georgios Farmakis2, Samuel Samnick2, Klaus Fassbender1, Carl M Kirsch2, Ulrich Dillmann1
Identifiers and Pagination:Year: 2007
First Page: 1
Last Page: 4
Publisher ID: TONEUJ-1-1
Article History:Received Date: 22/7/2007
Revision Received Date: 3/8/2007
Acceptance Date: 6/8/2007
Electronic publication date: 22/8/2007
Collection year: 2007
open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.5/), which permits unrestrictive use, distribution, and reproduction in any medium, provided the original work is properly cited.
In idiopathic Parkinson’s disease (PD), a generalized Lewy body type-degeneration in the brain as well as extracranial organs was identified. It is unclear, whether cerebral and extracranial Lewy body type-degeneration in PD are coupled or not. To address this question, cerebral [123I]FP-CIT SPECT – to quantify cerebral nigrostriatal dopaminergic degeneration – and myocardial [123I]MIBG scintigraphy – to quantify extracranial myocardial sympathetic degeneration – were performed in 95 PD patients and 20 healthy controls. At each Hoehn and Yahr stage separately, myocardial MIBG uptake correlated significantly with striatal FP-CIT uptake. No such correlation was found in the controls. Cerebral and extracranial Lewy body type-degeneration in PD do not develop independently from each other but develop in a strongly coupled manner. Obviously cerebral and extracranial changes are driven by at least similar pathomechanisms. Our findings in controls contradict a physiological correlation between nigrostriatal dopaminergic and myocardial sympathetic function.