%0 Journal Article %T Cerebral and Extracranial Neurodegeneration are Strongly Coupled in Parkinson¡¯s Disease %A J rg Spiegel %A Dirk Hellwig %A Wolfgang H. Jost %A Georgios Farmakis %A Samuel Samnick %A Klaus Fassbender %A Carl M. Kirsch and Ulrich Dillmann %J The Open Neurology Journal %D 2007 %I Bentham Open %R 10.2174/1874205X00701010001] %X 1-4 J rg Spiegel, Dirk Hellwig, Wolfgang H. Jost, Georgios Farmakis, Samuel Samnick, Klaus Fassbender, Carl M. Kirsch and Ulrich Dillmann Published Date: (22 August, 2007) In idiopathic Parkinson¡äs 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. %U http://www.benthamscience.com/open/toneuj/articles/V001/1TONEUJ.htm