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Title: | The effects of light therapy on sleep, agitation and depression in people with dementia : a systematic review and meta-analysis of randomized controlled trials | Authors: | Fong, KNK Ge, X Ting, KH Wei, M Cheung, H |
Issue Date: | Jan-2023 | Source: | American journal of Alzheimer's disease and other dementias, Jan.-Dec. 2023, v. 38, https://doi.org/10.1177/15333175231160682 | Abstract: | Objective: To evaluate the effects of light therapy on the alleviation of sleep disturbances, agitation and depression in people with dementia. Methods: A search was performed in PubMed, Medline, SCOPUS, Web of Science, EMBASE, CINAHL, Cochrane Library, for studies published between 2000 and 2021. Results: A total of 4315 articles were screened. Sixteen articles were eligible for this review and 11 randomized controlled studies were included in the meta-analysis. Light therapy had a significant effect on reducing the number of awakenings in sleep (n = 4; 95% CI = −.56, −.05; I2 = 0%; SMD = −.31) but was not significant in reducing the wake after sleep onset (n = 3; 95% CI = −.14, .59; I2 = 0%; SMD = .23), agitation (n = 4; 95% CI = −1.02, .45; I2 = 87%; SMD = −.28) and depression (n = 6; 95% CI = −.80, .40, I2 = 85%; SMD = −.20). Conclusion: Light therapy appeared to be more effective in terms of alleviating sleep disturbances, rather than reducing agitation and depression, but its long-term effects remain unclear. |
Keywords: | Behavioral and psychological symptoms Dementia Light therapy Sleep |
Publisher: | Sage Publications, Inc. | Journal: | American journal of Alzheimer's disease and other dementias | ISSN: | 1533-3175 | EISSN: | 1938-2731 | DOI: | 10.1177/15333175231160682 | Rights: | © The Author(s) 2023 Creative Commons Non Commercial No Derivs CC BY-NC-ND: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage). The following publication Fong KN, Ge X, Ting K, Wei M, Cheung H. The Effects of Light Therapy on Sleep, Agitation and Depression in People With Dementia: A Systematic Review and Meta-analysis of Randomized Controlled Trials. American Journal of Alzheimer’s Disease & Other Dementias®. 2023;38 is available at https://doi.org/10.1177/15333175231160682. |
Appears in Collections: | Journal/Magazine Article |
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Fong_Effects_Light_Therapy.pdf | 1.28 MB | Adobe PDF | View/Open |
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