- Investigation of Nocturnal Hypokinesia and Health-Related Quality of Life in Parkinsonian Patients with the Korean Version of the Nocturnal Hypokinesia Questionnaire
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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
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J Mov Disord. 2021;14(3):221-225. Published online May 26, 2021
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DOI: https://doi.org/10.14802/jmd.20172
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 Abstract
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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.
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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
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