Journal of Movement Disorders

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Investigation of Nocturnal Hypokinesia and Health-Related Quality of Life in Parkinsonian Patients with the Korean Version of the Nocturnal Hypokinesia Questionnaire: Ji-Hyun Choi, Jee-Young Lee, Chaewon Shin, Dallah Yoo, Jin Hee Im, Kyung Ah Woo, Han-Joon Kim, Tae-Beom Ahn, Jong-Min Kim, Beomseok Jeon; J Mov Disord. 2021;14(3):221-225. Published online May 26, 2021; DOI: https://doi.org/10.14802/jmd.20172

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Objective
To assess nocturnal hypokinesia using the Korean version of the Nocturnal Hypokinesia Questionnaire (NHQ-K) in Parkinson’s disease (PD) patients across disease stages.
Methods
We developed the NHQ-K and performed questionnaire-based interviews with 108 PD patients from three referral hospitals. Clinical associations of nocturnal hypokinesia and its impact on health-related quality of life (HRQoL) were also analyzed.
Results
The NHQ-K showed acceptable internal consistency (0.83) and interrater reliability (0.95). Nocturnal hypokinesia significantly affected HRQoL in PD patients at both the early and advanced stages (adjusted p < 0.001). Increased severity of nocturnal hypokinesia was associated with dyskinesias, off-period disability, apathy, and anxious mood in PD patients (adjusted p < 0.01) after controlling for disease severity and medication dose.
Conclusion
The NHQ-K is useful for screening nocturnal hypokinesia in PD patients. Given the high impact of nocturnal hypokinesia on HRQoL, comprehensive management of nocturnal disability is needed for PD patients.

Citations

Citations to this article as recorded by

Technological evaluation of strategies to get out of bed by people with Parkinson's disease: Insights from multisite wearable sensors
Jirada Sringean, Chusak Thanawattano, Roongroj Bhidayasiri
Frontiers in Medical Technology.2022;[Epub] CrossRef

Original Articles

Rapid Eye Movement Sleep Behavior Disorder in Parkinson’s Disease: A Preliminary Study: Chang Soo Kim, Young Hee Sung, Min Ju Kang, Kee Hyung Park; J Mov Disord. 2016;9(2):114-119. Published online March 2, 2016; DOI: https://doi.org/10.14802/jmd.15039

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Abstract PDF

Objective
Rapid eye movement sleep behavior disorder (RBD) is associated with α-synucleinopathies, such as Parkinson’s disease (PD). We aimed to assess the differences in the clinical characteristics of PD with and without RBD.
Methods
Forty-two patients previously diagnosed with PD were evaluated for clinical history, motor and cognitive functioning using the Unified Parkinson’s Disease Rating Scale (UPDRS) and Mini-Mental State Examination (MMSE), autonomic symptoms, sleep characteristics using the Pittsburg Sleep Quality Index (PSQI), and the presence of RBD using the Korean version of the RBD screening questionnaire (RBDSQ). The prevalence of RBD and the patients’ demographic features were evaluated. The patients were classified into two groups, PD with RBD and PD without RBD, based on the RBDSQ scores. The motor and cognitive functions, as well as other clinical features of the two groups were compared.
Results
A total of 42 PD patients were enrolled. Eighteen patients were classified as PD with RBD. Compared to PD without RBD, PD with RBD showed higher scores of rigidity in the UPDRS subscale. Regarding sleep problems, PD with RBD revealed higher sleep disturbance, lower sleep efficiency, and lower overall sleep quality in the PSQI. There was no difference in cognitive dysfunction between the two groups according to the Korean version of the MMSE.
Conclusions
PD with RBD was associated with poorer sleep and motor symptoms. Therefore, RBD symptoms in PD are possibly poor prognostic markers.

Citations

Citations to this article as recorded by

Cerebellar Microstructural Abnormalities in Parkinson’s Disease: a Systematic Review of Diffusion Tensor Imaging Studies
Maryam Haghshomar, Parnian Shobeiri, Seyed Arsalan Seyedi, Fatemeh Abbasi-Feijani, Amirhossein Poopak, Houman Sotoudeh, Arash Kamali, Mohammad Hadi Aarabi
The Cerebellum.2022; 21(4): 545. CrossRef
A data-driven system to identify REM sleep behavior disorder and to predict its progression from the prodromal stage in Parkinson's disease
Matteo Cesari, Julie A.E. Christensen, Maria-Lucia Muntean, Brit Mollenhauer, Friederike Sixel-Döring, Helge B.D. Sorensen, Claudia Trenkwalder, Poul Jennum
Sleep Medicine.2021; 77: 238. CrossRef
Impact of Obstructive Sleep Apnea on Cognitive and Motor Functions in Parkinson's Disease
Mohamed Elfil, Eshak I. Bahbah, Mahmoud M. Attia, Mohamed Eldokmak, Brian B. Koo
Movement Disorders.2021; 36(3): 570. CrossRef
Sleep Disorders and Cognitive Dysfunctions in Parkinson’s Disease: A Meta-Analytic Study
Gianpaolo Maggi, Luigi Trojano, Paolo Barone, Gabriella Santangelo
Neuropsychology Review.2021; 31(4): 643. CrossRef
Risk stratification for REM sleep behavior disorder in patients with Parkinson’s disease: A PRISMA-compliant meta-analysis and systematic review
Chengjuan Xie, Mingyu Zhu, Ying Hu
Clinical Neurology and Neurosurgery.2021; 202: 106484. CrossRef
REM sleep behavior disorder portends poor prognosis in Parkinson’s disease: A systematic review
Yoon Kim, Young Eun Kim, Eun Ok Park, Chae Won Shin, Han-Joon Kim, Beomseok Jeon
Journal of Clinical Neuroscience.2018; 47: 6. CrossRef
Prevalence of rapid eye movement sleep behavior disorder (RBD) in Parkinson’s disease: a meta and meta-regression analysis
Xiaona Zhang, Xiaoxuan Sun, Junhong Wang, Liou Tang, Anmu Xie
Neurological Sciences.2017; 38(1): 163. CrossRef
Clinical variations in Parkinson’s disease patients with or without REM sleep behaviour disorder: a meta-analysis
Ruo-lin Zhu, Cheng-juan Xie, Pan-pan Hu, Kai Wang
Scientific Reports.2017;[Epub] CrossRef

The Characteristics of Cognitive Impairment in Parkinson’s Disease and Recognition of Cognitive Symptom by Questionnaire: Hee Young Shin, Won Yong Lee, Kun-Woo Park; J Mov Disord. 2008;1(1):38-46.; DOI: https://doi.org/10.14802/jmd.08007

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Abstract PDF: Objective:
Parkinson’s disease (PD) is characterized by motor and non-motor symptoms including cognitive, autonomic, sleep, and sensory disturbances. Cognitive impairment may occur in up to 80% of PD patients, and dementia in approximately 30%. The purpose of this study is to evaluate the frequency of cognitive impairment and the characteristics of cognitive deficits and to know the possibility of early detection of cognitive deficits in outpatient clinics with the questionnaire for patients and caregivers.
Methods:
A total of 129 consecutive patients with idiopathic Parkinson’s disease were visited movement clinic from March 2006 to August 2006. Eighty-five patients performed cognitive test and questionnaires. All patients had motor symptoms with Hoehn and Yahr stage 0.5 to 3 (mean: 1.98±0.617), and evaluated with cognition by K-MMSE (Korean version of Mini-mental status examination), 7-MS (7-minutes screen test), and demographic features.
Results:
The frequency of cognitive impairment in PD patients was 44.7% (38/85), among them thirty (78.9%) patients complained memory disturbance. The characteristics of cognitive test were retrieval defect in memory, visuospatial dysfunction and categorical word fluency. With questionnaire, the complaint of memory decline and difficulties in activity of daily living (ADL) w ere important points of cognitive deficit in PD patients. However questionnaire did not showed significant correlation between complain of memory decline and cognitive deficit, only regular check with cognitive function test revealed the patient’s early cognitive impairment.
Conclusions:
The cognitive impairment was frequent in PD patients. The characteristics of cognitive testing w ere retrieval defect in memory function and frontal executive dysfunction.

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