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    Evaluation of bedside tests of attention and arousal assessing delirium in Parkinson's disease, dementia, and older adults

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    Author
    Stephan, Blossom C. M.
    Keyword
    Delirium
    Parkinson disease
    Attention
    Dementia
    Date
    2021
    
    Metadata
    Show full item record
    DOI
    10.3233/JPD-212849
    Publisher's URL
    https://content.iospress.com/articles/journal-of-parkinsons-disease/jpd212849
    Abstract
    BACKGROUNDDelirium is a serious acute neuropsychiatric condition associated with altered attention and arousal.OBJECTIVETo evaluate simple bedside tests for attention and arousal to detect delirium in those with and without Parkinson's disease (PD) and dementia.METHODSParticipants from two prospective delirium studies were pooled comprising 30 with PD without cognitive impairment, 24 with Lewy body cognitive impairment (PD dementia or dementia with Lewy bodies), 16 with another dementia and 179 PD and dementia-free older adults. Participants completed standardised delirium assessments including tests of attention: digit span, Memorial Delirium Assessment Scale (MDAS) attention and months of the year backwards; and arousal: Glasgow Coma Scale (GSC), Observational Scale of Level of Arousal (OSLA), Modified Richmond Agitation Scale and MDAS consciousness. Delirium was diagnosed using the DSM-5 criteria.RESULTSOn their first admission, 21.7%participants had prevalent delirium. Arousal measures accurately detected delirium in all participants (p <  0.01 for all), but only selected attention measures detected delirium in PD and dementia. In PD and dementia-free older adults, impaired digit span and OSLA were the optimal tests to detect delirium (area under the curve [AUC] = 0.838, p <  0.001) while in PD and dementia the optimal tests were MDAS attention and GCS LB.CONCLUSIONSimple bedside tests of attention and arousal at a single visit could accurately detect delirium in PD, dementia and PD and dementia-free older adults; however, the optimal tests differed between groups. Combined attention and arousal scores increased accuracy, which could have clinical utility to aid the identification of delirium neurodegenerative disorders.
    Citation
    Lawson, R. A., Richardson, S. J., Kershaw, D., Davis, D., Stephan, B. C. M., Robinson, L., Brayne, C., Barnes, L., Burn, D. J., Yarnall, A. J., et al. (2021). Evaluation of bedside tests of attention and arousal assessing delirium in Parkinson's disease, dementia, and older adults. Journal of Parkinson's Disease, 12(2), pp. 655-665.
    Type
    Article
    URI
    http://hdl.handle.net/20.500.12904/15015
    Collections
    Delirium
    Dementia

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