Movement Disorders (revue)

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Resting regional cerebral glucose metabolism in advanced Parkinson's disease studied in the Off and On conditions with [18F]FDG-PET

Identifieur interne : 002886 ( PascalFrancis/Corpus ); précédent : 002885; suivant : 002887

Resting regional cerebral glucose metabolism in advanced Parkinson's disease studied in the Off and On conditions with [18F]FDG-PET

Auteurs : Georg Berding ; Per Odin ; David J. Brooks ; Guido Nikkhah ; Cordula Matthies ; Thomas Peschel ; Mona Shing ; Hans Kolbe ; Jörg Van Den Hoff ; Harald Fricke ; Reinhard Dengler ; Madjid Samii ; Wolfram H. Knapp

Source :

RBID : Pascal:02-0177036

Descripteurs français

English descriptors

Abstract

Studies of resting regional cerebral glucose consumption (rCMRGlc) in nondemented patients with Parkinson disease (PD) have produced conflicting results, reporting both reduced and normal metabolism in advanced disease and reduced or normal metabolism after dopaminergic therapy. To investigate these issues, [18F]fluorodeoxyglucose (FDG) positron emission tomography (PET) was performed in 1 nondemented PD patients with advanced disease and 10 age-matched controls. PD patients were studied after withdrawal of all dopaminergic medication to produce a practically defined off condition, and a second time I hour after levodopa, resulting in a clinical on state. Dynamic PET scans and simultaneous arterialised venous blood samples of [18F] acticvity were obtained. A graphical approach was used to generate parametric images of rCMRGlc and statistical parametric mapping to localise significant metabolic changes in PD. Compared with controls, global rCMRGlc was reduced in the on but not in the off condition in PD. In both states, significant regional reductions of glucose uptake were found in the parietal, frontal, temporal cortex, and caudate nucleus, Reductions correlated with the severity of disability in frontal and temporal cortex. Direct comparison between on and off conditions revealed relatively greater reductions of uptake in the ventral/orbital frontal cortex and the thalamus during on. Results suggest that cortical and caudate hypometabolism are common in advanced PD and that caution is mandatory if [18F]FDG PET is being used to differentiate advanced PD from dementia and progressive supranuclear palsy where similar reductions are seen. Furthermore, in PD, administration of levodopa is associated with further hypometabolism in orbitofrontal cortex; an area known to be relevant for reversal learning where performance is typically impaired after dopaminergic treatment.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A08 01  1  ENG  @1 Resting regional cerebral glucose metabolism in advanced Parkinson's disease studied in the Off and On conditions with [18F]FDG-PET
A11 01  1    @1 BERDING (Georg)
A11 02  1    @1 ODIN (Per)
A11 03  1    @1 BROOKS (David J.)
A11 04  1    @1 NIKKHAH (Guido)
A11 05  1    @1 MATTHIES (Cordula)
A11 06  1    @1 PESCHEL (Thomas)
A11 07  1    @1 SHING (Mona)
A11 08  1    @1 KOLBE (Hans)
A11 09  1    @1 VAN DEN HOFF (Jörg)
A11 10  1    @1 FRICKE (Harald)
A11 11  1    @1 DENGLER (Reinhard)
A11 12  1    @1 SAMII (Madjid)
A11 13  1    @1 KNAPP (Wolfram H.)
A14 01      @1 Department of Nuclear Medicine, University Medical School @2 Hannover @3 DEU @Z 1 aut. @Z 9 aut. @Z 10 aut. @Z 13 aut.
A14 02      @1 Department of Neurology, University of Marburg @2 Marburg @3 DEU @Z 2 aut. @Z 7 aut.
A14 03      @1 Medical Research Council Clinical Sciences Centre, Imperial College School of Medicine, Hammersmith Hospital @2 London @3 GBR @Z 3 aut.
A14 04      @1 Department of Neurosurgery, Nordstadt Hospital and University Medical School @2 Hannover @3 DEU @Z 4 aut. @Z 5 aut. @Z 12 aut.
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C01 01    ENG  @0 Studies of resting regional cerebral glucose consumption (rCMRGlc) in nondemented patients with Parkinson disease (PD) have produced conflicting results, reporting both reduced and normal metabolism in advanced disease and reduced or normal metabolism after dopaminergic therapy. To investigate these issues, [18F]fluorodeoxyglucose (FDG) positron emission tomography (PET) was performed in 1 nondemented PD patients with advanced disease and 10 age-matched controls. PD patients were studied after withdrawal of all dopaminergic medication to produce a practically defined off condition, and a second time I hour after levodopa, resulting in a clinical on state. Dynamic PET scans and simultaneous arterialised venous blood samples of [18F] acticvity were obtained. A graphical approach was used to generate parametric images of rCMRGlc and statistical parametric mapping to localise significant metabolic changes in PD. Compared with controls, global rCMRGlc was reduced in the on but not in the off condition in PD. In both states, significant regional reductions of glucose uptake were found in the parietal, frontal, temporal cortex, and caudate nucleus, Reductions correlated with the severity of disability in frontal and temporal cortex. Direct comparison between on and off conditions revealed relatively greater reductions of uptake in the ventral/orbital frontal cortex and the thalamus during on. Results suggest that cortical and caudate hypometabolism are common in advanced PD and that caution is mandatory if [18F]FDG PET is being used to differentiate advanced PD from dementia and progressive supranuclear palsy where similar reductions are seen. Furthermore, in PD, administration of levodopa is associated with further hypometabolism in orbitofrontal cortex; an area known to be relevant for reversal learning where performance is typically impaired after dopaminergic treatment.
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Format Inist (serveur)

NO : PASCAL 02-0177036 INIST
ET : Resting regional cerebral glucose metabolism in advanced Parkinson's disease studied in the Off and On conditions with [18F]FDG-PET
AU : BERDING (Georg); ODIN (Per); BROOKS (David J.); NIKKHAH (Guido); MATTHIES (Cordula); PESCHEL (Thomas); SHING (Mona); KOLBE (Hans); VAN DEN HOFF (Jörg); FRICKE (Harald); DENGLER (Reinhard); SAMII (Madjid); KNAPP (Wolfram H.)
AF : Department of Nuclear Medicine, University Medical School/Hannover/Allemagne (1 aut., 9 aut., 10 aut., 13 aut.); Department of Neurology, University of Marburg/Marburg/Allemagne (2 aut., 7 aut.); Medical Research Council Clinical Sciences Centre, Imperial College School of Medicine, Hammersmith Hospital/London/Royaume-Uni (3 aut.); Department of Neurosurgery, Nordstadt Hospital and University Medical School/Hannover/Allemagne (4 aut., 5 aut., 12 aut.); Department of Neurology, University Medical School/Hannover/Allemagne (6 aut., 7 aut., 8 aut., 11 aut.)
DT : Publication en série; Niveau analytique
SO : Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2001; Vol. 16; No. 6; Pp. 1014-1022; Bibl. 53 ref.
LA : Anglais
EA : Studies of resting regional cerebral glucose consumption (rCMRGlc) in nondemented patients with Parkinson disease (PD) have produced conflicting results, reporting both reduced and normal metabolism in advanced disease and reduced or normal metabolism after dopaminergic therapy. To investigate these issues, [18F]fluorodeoxyglucose (FDG) positron emission tomography (PET) was performed in 1 nondemented PD patients with advanced disease and 10 age-matched controls. PD patients were studied after withdrawal of all dopaminergic medication to produce a practically defined off condition, and a second time I hour after levodopa, resulting in a clinical on state. Dynamic PET scans and simultaneous arterialised venous blood samples of [18F] acticvity were obtained. A graphical approach was used to generate parametric images of rCMRGlc and statistical parametric mapping to localise significant metabolic changes in PD. Compared with controls, global rCMRGlc was reduced in the on but not in the off condition in PD. In both states, significant regional reductions of glucose uptake were found in the parietal, frontal, temporal cortex, and caudate nucleus, Reductions correlated with the severity of disability in frontal and temporal cortex. Direct comparison between on and off conditions revealed relatively greater reductions of uptake in the ventral/orbital frontal cortex and the thalamus during on. Results suggest that cortical and caudate hypometabolism are common in advanced PD and that caution is mandatory if [18F]FDG PET is being used to differentiate advanced PD from dementia and progressive supranuclear palsy where similar reductions are seen. Furthermore, in PD, administration of levodopa is associated with further hypometabolism in orbitofrontal cortex; an area known to be relevant for reversal learning where performance is typically impaired after dopaminergic treatment.
CC : 002B17G
FD : Parkinson maladie; Tomoscintigraphie; Positon; Métabolisme; Glucose; Encéphale; Repos; Exploration; Homme
FG : Système nerveux pathologie; Système nerveux central pathologie; Encéphale pathologie; Extrapyramidal syndrome; Maladie dégénérative; Exploration radioisotopique; Système nerveux central
ED : Parkinson disease; Emission tomography; Positron; Metabolism; Glucose; Brain (vertebrata); Rest; Exploration; Human
EG : Nervous system diseases; Central nervous system disease; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Radionuclide study; Central nervous system
SD : Parkinson enfermedad; Tomocentelleografía; Positrón; Metabolismo; Glucosa; Encéfalo; Descanso; Exploración; Hombre
LO : INIST-20953.354000094252170030
ID : 02-0177036

Links to Exploration step

Pascal:02-0177036

Le document en format XML

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<div type="abstract" xml:lang="en">Studies of resting regional cerebral glucose consumption (rCMRGlc) in nondemented patients with Parkinson disease (PD) have produced conflicting results, reporting both reduced and normal metabolism in advanced disease and reduced or normal metabolism after dopaminergic therapy. To investigate these issues, [
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F]fluorodeoxyglucose (FDG) positron emission tomography (PET) was performed in 1 nondemented PD patients with advanced disease and 10 age-matched controls. PD patients were studied after withdrawal of all dopaminergic medication to produce a practically defined off condition, and a second time I hour after levodopa, resulting in a clinical on state. Dynamic PET scans and simultaneous arterialised venous blood samples of [
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F]FDG PET is being used to differentiate advanced PD from dementia and progressive supranuclear palsy where similar reductions are seen. Furthermore, in PD, administration of levodopa is associated with further hypometabolism in orbitofrontal cortex; an area known to be relevant for reversal learning where performance is typically impaired after dopaminergic treatment.</div>
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<ET>Resting regional cerebral glucose metabolism in advanced Parkinson's disease studied in the Off and On conditions with [
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<AU>BERDING (Georg); ODIN (Per); BROOKS (David J.); NIKKHAH (Guido); MATTHIES (Cordula); PESCHEL (Thomas); SHING (Mona); KOLBE (Hans); VAN DEN HOFF (Jörg); FRICKE (Harald); DENGLER (Reinhard); SAMII (Madjid); KNAPP (Wolfram H.)</AU>
<AF>Department of Nuclear Medicine, University Medical School/Hannover/Allemagne (1 aut., 9 aut., 10 aut., 13 aut.); Department of Neurology, University of Marburg/Marburg/Allemagne (2 aut., 7 aut.); Medical Research Council Clinical Sciences Centre, Imperial College School of Medicine, Hammersmith Hospital/London/Royaume-Uni (3 aut.); Department of Neurosurgery, Nordstadt Hospital and University Medical School/Hannover/Allemagne (4 aut., 5 aut., 12 aut.); Department of Neurology, University Medical School/Hannover/Allemagne (6 aut., 7 aut., 8 aut., 11 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2001; Vol. 16; No. 6; Pp. 1014-1022; Bibl. 53 ref.</SO>
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<EA>Studies of resting regional cerebral glucose consumption (rCMRGlc) in nondemented patients with Parkinson disease (PD) have produced conflicting results, reporting both reduced and normal metabolism in advanced disease and reduced or normal metabolism after dopaminergic therapy. To investigate these issues, [
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F]fluorodeoxyglucose (FDG) positron emission tomography (PET) was performed in 1 nondemented PD patients with advanced disease and 10 age-matched controls. PD patients were studied after withdrawal of all dopaminergic medication to produce a practically defined off condition, and a second time I hour after levodopa, resulting in a clinical on state. Dynamic PET scans and simultaneous arterialised venous blood samples of [
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<sup>18</sup>
F]FDG PET is being used to differentiate advanced PD from dementia and progressive supranuclear palsy where similar reductions are seen. Furthermore, in PD, administration of levodopa is associated with further hypometabolism in orbitofrontal cortex; an area known to be relevant for reversal learning where performance is typically impaired after dopaminergic treatment.</EA>
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