Selecting a bedside cognitive vital sign to monitor cognition in hospital: feasibility, reliability, and responsiveness of logical memory

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dc.contributor.authorNicholas, Padraic
dc.contributor.authorO'Caoimh, Rónán
dc.contributor.authorGao, Yang
dc.contributor.authorHabib, Afsana
dc.contributor.authorMross, Thomas Karol
dc.contributor.authorClarnette, Roger
dc.contributor.authorMolloy, Molloy, D. William
dc.contributor.funderHealth Research Boarden
dc.date.accessioned2019-10-23T04:51:51Z
dc.date.available2019-10-23T04:51:51Z
dc.date.issued2019-09-22
dc.description.abstractAlthough there is a high prevalence of delirium and cognitive impairment among hospitalised older adults, short, reliable cognitive measures are rarely used to monitor cognition and potentially alert healthcare professionals to early changes that might signal delirium. We evaluated the reliability, responsiveness, and feasibility of logical memory (LM), immediate verbal recall of a short story, compared to brief tests of attention as a bedside “cognitive vital sign” (CVS). Trained nursing staff performed twice-daily cognitive assessments on 84 clinically stable inpatients in two geriatric units over 3–5 consecutive days using LM and short tests of attention and orientation including months of the year backwards. Scores were compared to those of an expert rater. Inter-rater reliability was excellent with correlation coefficients for LM increasing from r = 0.87 on day 1 to r = 0.97 by day 4 (p < 0.0001). A diurnal fluctuation of two points from a total of 30 was deemed acceptable in clinically stable patients. LM scores were statistically similar (p = 0.98) with repeated testing (suggesting no learning effect). All nurses reported that LM was feasible to score routinely. LM is a reliable measure of cognition showing diurnal variation but minimal learning effects. Further study is required to define the properties of an ideal CVS test, though LM may satisfy these.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid3545en
dc.identifier.citationNicholas, P., O’Caoimh, R., Gao, Y., Habib, A., Mross, T. K., Clarnette, R. and Molloy, D. W. (2019) 'Selecting a Bedside Cognitive Vital Sign to Monitor Cognition in Hospital: Feasibility, Reliability, and Responsiveness of Logical Memory', International Journal of Environmental Research and Public Health, 16(19), 3545. (17pp.) DOI: 10.3390/ijerph16193545en
dc.identifier.doi10.3390/ijerph16193545en
dc.identifier.eissn1660-4601
dc.identifier.endpage17en
dc.identifier.issn1661-7827
dc.identifier.issued19en
dc.identifier.journaltitleInternational journal of environmental research and public healthen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8838
dc.identifier.volume16en
dc.language.isoenen
dc.publisherMDPIen
dc.relation.urihttps://www.mdpi.com/1660-4601/16/19/3545/htm
dc.rights©2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectAttentionen
dc.subjectCognitive vital signen
dc.subjectLogical memoryen
dc.subjectOlder adultsen
dc.subjectDeliriumen
dc.subjectDementiaen
dc.subjectHospitalen
dc.titleSelecting a bedside cognitive vital sign to monitor cognition in hospital: feasibility, reliability, and responsiveness of logical memoryen
dc.typeArticle (peer-reviewed)en
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