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Validation of a Nurse-Based Delirium-Screening Tool for Hospitalized Patients.


ABSTRACT: Guidelines recommend daily delirium monitoring of hospitalized patients. Available delirium-screening tools have not been validated for use by nurses among diverse inpatients.We sought to validate the Nursing Delirium-Screening Scale (Nu-DESC) under these circumstances.A blinded cross-sectional and quality-improvement study was conducted from August 2015-February 2016. Nurses? Nu-DESC scores were compared to delirium diagnosis according to Diagnostic and Statistical Manual of Mental Disorders-5 (DSM-5) criteria. A total of 405 consecutive hospitalized patients were included. Nu-DESC-positive (threshold score ?2) patients were matched with equal numbers of Nu-DESC-negative patients, by sex, age, and nursing unit. Nurses recorded a Nu-DESC score for each patient on every 12-hour shift. A Nu-DESC-blinded evaluator interviewed patients for 2 consecutive days. Delirium diagnosis was determined by physicians using DSM-5 criteria applied to collected research data. Sensitivity and specificity of the Nu-DESC were calculated. In an exploratory analysis, the performance of the Nu-DESC was analyzed with the addition of bedside measures of attention.The sensitivity of the Nu-DESC at a threshold of ?2 was 42% (95% CI: 33-53%). Specificity was 98% (97-98%). At a threshold of ?1, sensitivity was 67% (52-80%) and specificity 93% (90-95%). Similar results were found with the addition of attention tasks.The Nu-DESC is a specific delirium detection tool, but it is not sensitive at the usually proposed cut point of ?2. Using a threshold of ?1 or adding a test of attention increase sensitivity with a minor decrease in specificity.

SUBMITTER: Hargrave A 

PROVIDER: S-EPMC5798858 | biostudies-literature | 2017 Nov - Dec

REPOSITORIES: biostudies-literature

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Validation of a Nurse-Based Delirium-Screening Tool for Hospitalized Patients.

Hargrave Anita A   Bastiaens Jesse J   Bourgeois James A JA   Neuhaus John J   Josephson S Andrew SA   Chinn Julia J   Lee Melissa M   Leung Jacqueline J   Douglas Vanja V  

Psychosomatics 20170724 6


<h4>Background</h4>Guidelines recommend daily delirium monitoring of hospitalized patients. Available delirium-screening tools have not been validated for use by nurses among diverse inpatients.<h4>Objective</h4>We sought to validate the Nursing Delirium-Screening Scale (Nu-DESC) under these circumstances.<h4>Methods</h4>A blinded cross-sectional and quality-improvement study was conducted from August 2015-February 2016. Nurses׳ Nu-DESC scores were compared to delirium diagnosis according to Dia  ...[more]

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