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ORIGINAL ARTICLE
J Korean Sleep Res Soc. 2009;6(1):50-55.         doi: https://doi.org/10.13078/jksrs.09010
Sleep Disturbance in Hospitalized Patients with Dementia
Yong-won Kim, Geun-ho Kim, Seungh-wan Yun, Chan-sok Kim, Seung-Hyun Lee, Jee-Man Lee, and Ho-won Lee
1Department of Neurology, Kyungpook National University School of Medicine, Daegu, Korea
2Department of Neurology, Gachang Samsung Hospital, Daegu, Korea
3Siji Geriatric Hospital, Daegu, Korea
4Department of Neurology, Han Family Hospital, Daegu, Korea
5Department of Neurology, Daegugyeongsang Hospital, Daegu, Korea
6Department of Neurology, Non-Gong Catholic Hospital, Daegu, Korea
7Brain Science & Engineering Institute, Kyungpook National University, Daegu, Korea
Corresponding Author: Ho-won Lee ,Tel: +82-53-420-5759, Fax: +82-53-422-4265, Email: neuromd@knu.ac.kr
Received: 11 June 2009;  Accepted: 16 June 2009.
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ABSTRACT
Background : Sleep disturbance is commonly accompanied by patient with dementia. The aim of this study is to investigate the prevalence of sleep disturbance in dementia patients of geriatric hospital and relationship of between sleep disturbance and neuropsychiatric symptoms.
Method : The one hundred forty-fourpatients with dementia were included in this study. Seventy-nine patients had sleep disturbances. Patients with dementia met National Institute of Neurological and Communicative Disorders and Stroke-the Alzheimer’s disease and Related Disorders Association (NINCDS-ADRDA) criteria or National Institute of Neurological Disorders and Stroke and the Association International pour la recherche et l’Enseignement en Neuroscience (NINDS-AIREN) criteria. Sleep disturbance was assessed by subscale of Neuropsychological Inventory (NPI). The participants were assessed by Korean Version of Mini-Mental State Exam, Clinical Dementia Rating, Short Form of Samsung Dementia Questionnaires, Burden interview, NPI.
Results: There was no significant differences in the demographic factors and cognitive function between two groups. The patients with sleep disturbance had more neuropsychiatric symptoms. Apathy and irritability was significantly correlated with sleep disturbance. Sleep disturbance was mediated by apathy and irritability.
Conclusion : Apathy and irritability played a role as a mediator of sleep disturbance in dementia.
Keywords: Dementia | Sleep disturbance | Neuropsychiatric symptoms | Apathy | Irritability
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