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Urinary tract infection in very old women is associated with delirium
University of Skövde, School of Life Sciences. Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University, Umeå, Sweden.ORCID iD: 0000-0002-9065-0677
Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University, Umeå, Sweden.
University of Skövde, School of Life Sciences. Department of Health and Life Sciences, University of Buskerud, Kongsberg, Norway.
Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University, Umeå, Sweden / Department of Nursing, Umeå University, Umeå, Sweden.
2011 (English)In: International psychogeriatrics, ISSN 1041-6102, E-ISSN 1741-203X, Vol. 23, no 3, 496-502 p.Article in journal (Refereed) Published
Abstract [en]

Background: The aim of the study was to investigate whether urinary tract infection (UTI) in a representative sample of 85-, 90- and ≥95-year-old women is associated with delirium.

Methods: In 504 out of 643 women (78.4%) it was possible to evaluate UTI and delirium. Assessments such as the Organic Brain Syndrome (OBS) Scale, the Geriatric Depression Scale-15 (GDS-15) and the Mini-mental State Examination (MMSE) were performed during home visits. Delirium, dementia and depression were diagnosed according to the DSM-IV criteria. A diagnosed, symptomatic UTI with or without ongoing treatment, documented in medical records or detected in association with the assessments, was registered.

Results: Eighty-seven of 504 women (17.2%), were diagnosed as having a UTI with or without ongoing treatment when they were assessed, and almost half of them (44.8%) were diagnosed to be delirious or having had episodes of delirium during the past month. One hundred and thirty-seven of the 504 women (27.2%) were delirious or had had episodes of delirium during the past month and 39 (28.5%) of them were diagnosed to have a UTI. In a multivariate logistic regression model, delirium was significantly associated with Alzheimer's disease (OR = 5.8), multi-infarct dementia (OR = 5.4), depression (OR = 3.1), heart failure (OR = 2.3) and urinary tract infection (OR = 1.9).

Conclusions: A large proportion of very old women with UTI suffered from delirium which might indicate that UTI is a common cause of delirium. There should be more focus on detecting, preventing and treating UTI to avoid unnecessary suffering among old women.

Place, publisher, year, edition, pages
Cambridge University Press, 2011. Vol. 23, no 3, 496-502 p.
Keyword [en]
Urinary tract infection, delirium, old women
National Category
Medical and Health Sciences
Research subject
Medical sciences
Identifiers
URN: urn:nbn:se:his:diva-4519DOI: 10.1017/S1041610210001456ISI: 000287817100017PubMedID: 20716391Scopus ID: 2-s2.0-79960465664OAI: oai:DiVA.org:his-4519DiVA: diva2:382272
Note

Published online: 18 August 2010

Available from: 2010-12-30 Created: 2010-12-30 Last updated: 2014-12-10Bibliographically approved

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Publisher's full textPubMedScopushttp://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8133261

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