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- Title
Evaluation of a method to estimate the point prevalence of cognitive impairment and delirium in a multi‐campus Australian health service.
- Authors
Casey, Penelope; Dārziņš, Pēteris; Webb‐St Mart, Melinda; Baldwin, Cathryn; Riddell, Kath; Johnson, Claire; Cross, Wendy
- Abstract
Objective: To design, test (pilot) and implement a study to estimate the point prevalence of cognitive impairment (CI) and delirium in a multi‐site health service. Methods: Clinicians were trained to use the 4 A's Test (4AT) to screen for cognitive impairment and delirium, and the 3‐minute Diagnostic Interview for the Confusion Assessment Method (3D‐CAM) to detect delirium in those with abnormal 4AT results. Outcomes of interest were as follows: (a) rates of cognitive impairment and delirium and (b) feasibility of the approach measured by participation rate, "direct survey activity" time, cost and surveyor preparation. Results: The rates of cognitive impairment and delirium were 43.8% (245/559) and 16.3% (91/559), respectively. 90.5% (563/622) of eligible adult patients from 25 acute and subacute wards were seen. "Direct survey activities" averaged 14 minutes (range 2‐45) and cost $11.48 per patient. Training evaluation indicated additional education in the 4AT and 3D‐CAM was needed. Conclusion: Health services could use this streamlined, inexpensive method to estimate the point prevalence of cognitive impairment and delirium.
- Subjects
AUSTRALIA; COGNITION disorders diagnosis; DIAGNOSIS of delirium; COGNITION disorders; DELIRIUM; INTERVIEWING; MEDICAL care; MEDICAL care costs; PHYSICIANS; SURVEYS; PILOT projects; DISEASE prevalence
- Publication
Australasian Journal on Ageing, 2019, Vol 38, Issue 4, p258
- ISSN
1440-6381
- Publication type
Article
- DOI
10.1111/ajag.12666