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Published in: Journal of Neural Transmission 12/2018

01-12-2018 | Neurology and Preclinical Neurological Studies - Original Article

Effect of serum uric acid on cognition in patients with idiopathic REM sleep behavior disorder

Authors: Xudong Li, Shuhong Jia, Zhi Zhou, Yi Jin, Xiangfei Zhang, Chunlei Hou, Wenjing Zheng, Pei Rong, Jinsong Jiao

Published in: Journal of Neural Transmission | Issue 12/2018

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Abstract

Idiopathic rapid eye movement sleep behavior disorder (iRBD) likely represents the prodromal stage of synucleinopathy. The present study investigated how levels of serum uric acid (UA) affect cognition and motor function in patients with iRBD. A total of 42 patients with iRBD and 45 healthy controls were included. All participants were given cognitive tests and motor assessments. Serum UA concentrations were measured. The patients were further divided into two groups (high or low UA) according to serum UA level. The level of serum UA was similar between the patients with iRBD and the healthy controls, whereas the patients showed impaired executive, memory, and visuospatial functions. The patients with low UA levels had longer durations of RBD. Lower scores involving attention, executive function, and language domain were also found in the patients with low UA, whereas the scores of the patients with high UA were similar to those of the healthy controls. Regarding memory domain, the low UA group had worse scores than the healthy controls, whereas the scores of high UA group fell between those of the low UA group and the healthy controls. Motor function was not affected in any of the groups. UA affects cognitive function but not motor function in patients with iRBD, which could contribute to its antioxidant and neuroprotective roles.
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Metadata
Title
Effect of serum uric acid on cognition in patients with idiopathic REM sleep behavior disorder
Authors
Xudong Li
Shuhong Jia
Zhi Zhou
Yi Jin
Xiangfei Zhang
Chunlei Hou
Wenjing Zheng
Pei Rong
Jinsong Jiao
Publication date
01-12-2018
Publisher
Springer Vienna
Published in
Journal of Neural Transmission / Issue 12/2018
Print ISSN: 0300-9564
Electronic ISSN: 1435-1463
DOI
https://doi.org/10.1007/s00702-018-1935-8

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