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KMID : 0367020180300030255
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Journal of Korean Academic of Adult Nursing
2018 Volume.30 No. 3 p.255 ~ p.265
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The Incidence and Related Risk Factors of Delirium in the Older Inpatients with Neurological Disorders in a Tertiary Hospital
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Kim Mi-Sun
Jun Ji-Yoon
Chun Hyun-Ju
Kim Yun-Ok
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Abstract
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Purpose: Although there is a high incidence of delirium with increased age, the risk factors have been too various. We investigated the incidence and risk factors in the older inpatient with neurological disorders.
Methods: We reviewed the Electronic Medical Records (EMR) of older patients admitted to a neurology unit from August 2016 to January 2017. We analyzed the incidence and risk factors of delirium in 382 patients in a tertiary hospital. Delirium was determined daily using the Nursing Delirium Screening Scale (Nu-DESC). Demographic, disease, and environmental characteristics were obtained by using structured EMR data.
Results: The incidence rate of delirium was 6.0% (n=23). Delirium was prevalent in patients who were older, had a lower serum hemoglobin, had hypertension or had diabetes mellitus. Delirium was also observed in patients on antibiotics, having a higher number of drugs or catheters, or receiving mechanical monitoring. A longer hospital stay, being admitted to a sub-intensive care unit, and sleep deprivation were significantly associated with delirium. Multiple logistic regression analysis found older age, having sleep deprivation, a higher number of catheters placed, and having diabetes mellitus to be significant predictors of delirium.
Conclusion: This study shows that age, sleep deprivation, number of catheters, and comorbidity of diabetes mellitus were identified as a risk factor for delirium. And it will guide the development of algorithms through its possible applications for the future in hospitalized older adults.
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KEYWORD
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Delirium, Risk factors, Incidence, Older adults, Neurology
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