Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.

Olfactory dysfunction is common in Parkinson's disease (PD) and idiopathic rapid eye movement sleep behavior disorder (iRBD), which is a risk factor in the development of PD. However, a few studies have conflicting results when comparing dysosmia in the patients with iRBD and PD. There is no st...

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Main Authors: Si-Fei Huang, Kui Chen, Jian-Jun Wu, Feng-Tao Liu, Jue Zhao, Wei Lin, Si-Si Guo, Yi-Xuan Wang, Ying Wang, Su-Shan Luo, Yi-Min Sun, Zheng-Tong Ding, Huan Yu, Jian Wang
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2016-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4970766?pdf=render
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author Si-Fei Huang
Kui Chen
Jian-Jun Wu
Feng-Tao Liu
Jue Zhao
Wei Lin
Si-Si Guo
Yi-Xuan Wang
Ying Wang
Su-Shan Luo
Yi-Min Sun
Zheng-Tong Ding
Huan Yu
Jian Wang
author_facet Si-Fei Huang
Kui Chen
Jian-Jun Wu
Feng-Tao Liu
Jue Zhao
Wei Lin
Si-Si Guo
Yi-Xuan Wang
Ying Wang
Su-Shan Luo
Yi-Min Sun
Zheng-Tong Ding
Huan Yu
Jian Wang
author_sort Si-Fei Huang
collection DOAJ
description Olfactory dysfunction is common in Parkinson's disease (PD) and idiopathic rapid eye movement sleep behavior disorder (iRBD), which is a risk factor in the development of PD. However, a few studies have conflicting results when comparing dysosmia in the patients with iRBD and PD. There is no study investigating the olfactory function in Chinese patients with iRBD. Additionally, the Sniffin' Sticks screening 12 test (SS-12) contains several odors that are not familiar to people in different cultures.Odor identification was evaluated in iRBD patients (n = 54), PD patients (n = 54) and healthy controls (n = 54). With the identification data, a brief odor identification test was established and then validated in other subjects.Odor identification scores in iRBD patients were significantly higher than those in PD patients (P<0.001) but lower than those in controls (P<0.001). At the cut-off value of 7.5, the Sniffin' Sticks clearly differentiated iRBD and PD patients from the controls, and the brief test could increase the specificity in diagnosing PD. Neither the Sniffin' Sticks nor the brief test could clearly differentiate PD and iRBD patients from each other.Olfaction is more impaired in PD patients than in iRBD patients, possibly due to the heterogeneity of iRBD patients. The Sniffin' Sticks could be a useful tool for differentiating iRBD patients from the healthy population, and it could be useful for screening people at high-risk of PD in China, especially when combined with polysomnography. To reduce the expense and time required for the Sniffin' Sticks test, this study shows that a brief test is feasible.
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spelling doaj.art-4f4a965ceec3426d9105919db5523d5c2022-12-21T22:15:51ZengPublic Library of Science (PLoS)PLoS ONE1932-62032016-01-01118e016019910.1371/journal.pone.0160199Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.Si-Fei HuangKui ChenJian-Jun WuFeng-Tao LiuJue ZhaoWei LinSi-Si GuoYi-Xuan WangYing WangSu-Shan LuoYi-Min SunZheng-Tong DingHuan YuJian WangOlfactory dysfunction is common in Parkinson's disease (PD) and idiopathic rapid eye movement sleep behavior disorder (iRBD), which is a risk factor in the development of PD. However, a few studies have conflicting results when comparing dysosmia in the patients with iRBD and PD. There is no study investigating the olfactory function in Chinese patients with iRBD. Additionally, the Sniffin' Sticks screening 12 test (SS-12) contains several odors that are not familiar to people in different cultures.Odor identification was evaluated in iRBD patients (n = 54), PD patients (n = 54) and healthy controls (n = 54). With the identification data, a brief odor identification test was established and then validated in other subjects.Odor identification scores in iRBD patients were significantly higher than those in PD patients (P<0.001) but lower than those in controls (P<0.001). At the cut-off value of 7.5, the Sniffin' Sticks clearly differentiated iRBD and PD patients from the controls, and the brief test could increase the specificity in diagnosing PD. Neither the Sniffin' Sticks nor the brief test could clearly differentiate PD and iRBD patients from each other.Olfaction is more impaired in PD patients than in iRBD patients, possibly due to the heterogeneity of iRBD patients. The Sniffin' Sticks could be a useful tool for differentiating iRBD patients from the healthy population, and it could be useful for screening people at high-risk of PD in China, especially when combined with polysomnography. To reduce the expense and time required for the Sniffin' Sticks test, this study shows that a brief test is feasible.http://europepmc.org/articles/PMC4970766?pdf=render
spellingShingle Si-Fei Huang
Kui Chen
Jian-Jun Wu
Feng-Tao Liu
Jue Zhao
Wei Lin
Si-Si Guo
Yi-Xuan Wang
Ying Wang
Su-Shan Luo
Yi-Min Sun
Zheng-Tong Ding
Huan Yu
Jian Wang
Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.
PLoS ONE
title Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.
title_full Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.
title_fullStr Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.
title_full_unstemmed Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.
title_short Odor Identification Test in Idiopathic REM-Behavior Disorder and Parkinson's Disease in China.
title_sort odor identification test in idiopathic rem behavior disorder and parkinson s disease in china
url http://europepmc.org/articles/PMC4970766?pdf=render
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