ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2022
Cerebral blood flow alterations specific to freezing of gait in Parkinson's disease.
Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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11 authors at 1 institution in 1 country.
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Abstract
backgroundFreezing of gait (FOG) have been associated with deficits in the cortico-basal ganglia-thalamic network. However, the resting-state cerebral blood flow (CBF) alterations specific to FOG in Parkinson's disease (PD) remain unknown.
methodsIn total, sixty PD individuals, including 30 PD with FOG (PD-FOG) and 30 PD without FOG (PD-NFOG), and 30 healthy controls (HC) underwent arterial spin labeling magnetic resonance image. The CBF were voxel-wise compared among the three groups and validated in a different cohort of PD-FOG and PD-NFOG.
resultsThe results revealed that patients with PD-FOG had increased CBF in bilateral thalamus and the left caudate nucleus and decreased CBF in the left inferior parietal cortex compared to patients with PD-NFOG. The inter-group differences of CBF between PD-FOG and PD-NFOG was confirmed in a different cohort in the validation analysis. Moreover, the CBF in left caudate nucleus was positively correlated with severity of FOG in PD-FOG patients.
conclusionsPerfusion alterations in both cortical and subcortical regions in the cortico-basal ganglia-thalamic network are related to the development of FOG in PD patients.
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