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Comparative Implementation of a Brief App-Directed Protocol for Delirium Identification by Hospitalists, Nurses, and Nursing Assistants : A Cohort Study.


ABSTRACT:

Background

Systematic screening improves delirium identification among hospitalized older adults. Little data exist on how to implement such screening.

Objective

To test implementation of a brief app-directed protocol for delirium identification by physicians, nurses, and certified nursing assistants (CNAs) in real-world practice relative to a research reference standard delirium assessment (RSDA).

Design

Prospective cohort study.

Setting

Large urban academic medical center and small rural community hospital.

Participants

527 general medicine inpatients (mean age, 80 years; 35% with preexisting dementia) and 399 clinicians (53 hospitalists, 236 nurses, and 110 CNAs).

Measurements

On 2 study days, enrolled patients had an RSDA. Subsequently, CNAs performed an ultra-brief 2-item screen (UB-2) for delirium, whereas physicians and nurses performed a 2-step protocol consisting of the UB-2 followed in those with a positive screen result by the 3-Minute Diagnostic Assessment for the Confusion Assessment Method.

Results

Delirium was diagnosed in 154 of 924 RSDAs (17%) and in 114 of 527 patients (22%). The completion rate for clinician protocols exceeded 97%. The CNAs administered the UB-2 in a mean of 62 seconds (SD, 51). The 2-step protocols were administered in means of 104 seconds (SD, 99) by nurses and 106 seconds (SD, 105) by physicians. The UB-2 had sensitivities of 88% (95% CI, 72% to 96%), 87% (CI, 73% to 95%), and 82% (CI, 65% to 91%) when administered by CNAs, nurses, and physicians, respectively, with specificities of 64% to 70%. The 2-step protocol had overall accuracy of 89% (CI, 83% to 93%) and 87% (CI, 81% to 91%), with sensitivities of 65% (CI, 48% to 79%) and 63% (CI, 46% to 77%) and specificities of 93% (CI, 88% to 96%) and 91% (CI, 86% to 95%), for nurses and physicians, respectively. Two-step protocol sensitivity for moderate to severe delirium was 78% (CI, 54% to 91%).

Limitation

Two sites; limited diversity.

Conclusion

An app-directed protocol for delirium identification was feasible, brief, and accurate, and CNAs and nurses performed as well as hospitalists.

Primary funding source

National Institute on Aging.

SUBMITTER: Marcantonio ER 

PROVIDER: S-EPMC8938856 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Publications

Comparative Implementation of a Brief App-Directed Protocol for Delirium Identification by Hospitalists, Nurses, and Nursing Assistants : A Cohort Study.

Marcantonio Edward R ER   Fick Donna M DM   Jung Yoojin Y   Inouye Sharon K SK   Boltz Marie M   Leslie Douglas L DL   Husser Erica K EK   Shrestha Priyanka P   Moore Amber A   Sulmonte Kimberlyann K   Siuta Jonathan J   Boustani Malaz M   Ngo Long H LH  

Annals of internal medicine 20211109 1


<h4>Background</h4>Systematic screening improves delirium identification among hospitalized older adults. Little data exist on how to implement such screening.<h4>Objective</h4>To test implementation of a brief app-directed protocol for delirium identification by physicians, nurses, and certified nursing assistants (CNAs) in real-world practice relative to a research reference standard delirium assessment (RSDA).<h4>Design</h4>Prospective cohort study.<h4>Setting</h4>Large urban academic medical  ...[more]

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