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Sleep‐wake cycle disturbances in elderly acute general medical inpatients: Longitudinal relationship to delirium and dementia

Overview of attention for article published in Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring, January 2017
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  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (86th percentile)
  • Good Attention Score compared to outputs of the same age and source (75th percentile)

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Title
Sleep‐wake cycle disturbances in elderly acute general medical inpatients: Longitudinal relationship to delirium and dementia
Published in
Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring, January 2017
DOI 10.1016/j.dadm.2016.12.013
Pubmed ID
Authors

James M. FitzGerald, Niamh O'Regan, Dimitrios Adamis, Suzanne Timmons, Colum P. Dunne, Paula T. Trzepacz, David J. Meagher

Abstract

Sleep disturbances in elderly medical inpatients are common, but their relationship to delirium and dementia has not been studied. Sleep and delirium status were assessed daily for a week in 145 consecutive newly admitted elderly acute general hospital patients using the Delirium Rating Scale-Revised-98 (DRS-R98), Diagnostic and Statistical Manual 5, and Richards-Campbell Sleep Quality Scale measures. The longitudinal relationship between DRS-R98 and Richards-Campbell Sleep Quality Scale sleep scores and delirium, also with dementia as a covariate, was evaluated using generalized estimating equation logistic regression. The cohort was divided into delirium only, dementia only, comorbid delirium-dementia, and no-delirium/no-dementia subgroups. Mean age of total group was 80 ± 6.3, 48% were female, and 31 (21%) had dementia, 29 had delirium at admission (20%), and 27 (18.5%) experienced incident delirium. Mild sleep disturbance (DRS-R98 sleep item score ≥1) occurred for at least 1 day in all groups, whereas moderate sleep disturbance (score ≥2) occurred in significantly more of the prevalent delirium-only (81%; n = 17) cases than incident delirium-only (46%; n = 13) cases (P < .001). There were more cases with DRS-R98 sleep item scores ≥2 (P < .001) in the delirium-only group compared with the other subgroups. Severity of sleep-wake cycle disturbance over time was significantly associated with Diagnostic and Statistical Manual 5 delirium status but not with age, sex, or dementia (P < .001). Observer-rated more severe sleep-wake cycle disturbances are highly associated with delirium irrespective of dementia status, consistent with being a core feature of delirium. Monitoring for altered sleep-wake cycle patterns may be a simple way to improve delirium detection.

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The data shown below were collected from the profiles of 20 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 76 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 76 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 10 13%
Student > Postgraduate 9 12%
Other 7 9%
Student > Ph. D. Student 7 9%
Researcher 6 8%
Other 14 18%
Unknown 23 30%
Readers by discipline Count As %
Nursing and Health Professions 15 20%
Medicine and Dentistry 14 18%
Neuroscience 6 8%
Business, Management and Accounting 2 3%
Agricultural and Biological Sciences 2 3%
Other 9 12%
Unknown 28 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 12. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 November 2017.
All research outputs
#3,031,180
of 25,593,129 outputs
Outputs from Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
#311
of 871 outputs
Outputs of similar age
#57,923
of 423,072 outputs
Outputs of similar age from Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
#8
of 33 outputs
Altmetric has tracked 25,593,129 research outputs across all sources so far. Compared to these this one has done well and is in the 88th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 871 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 21.4. This one has gotten more attention than average, scoring higher than 64% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 423,072 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 86% of its contemporaries.
We're also able to compare this research output to 33 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 75% of its contemporaries.