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KMID : 1004620140200030406
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Clinical Nursing Research
2014 Volume.20 No. 3 p.406 ~ p.416
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Prevalence and Related Risk Factors of Delirium in Intensive Care Units as Detected by the CAM-ICU
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Choi Su-Jung
Cho Young-Ae
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Abstract
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Purpose: Screening of delirium using delirium assessment tools could promote delirium detection, however,
there is lack of report about regular delirium assessment in Korea. This study was intended to describe the prevalence and related risk factors of delirium in intensive care unit (ICU).
Methods: The Confusion Assessment Method for the ICU (CAM-ICU) data which were evaluated by nurses in ICUs was obtained through retrospective chart review. Data were analyzed using descriptive statistics, Chi-square test, t-test, Mann-Whitney U test, and stepwise logistic regression.
Results: Delirium was evaluated in 125 patients. The incidence rate of delirium was 27.2% with a high prevalence of hypoactive delirium compared to hyperactive delirium (61.8 vs. 38.2%). Those with delirium were older, had hypertension, stayed longer in hospital, receiving ventilator support, had more number of catheters, had low serum protein and albumin level. Delirium incidence also varied according to diagnosis. Age, diagnosis of gastrointestinal disease, and application of ventilator were the significant risk factors for the incidence of delirium.
Conclusion: Routine delirium screening is important for early detection of delirium. Identification of high-risk group and running delirium prevention programs could improve early recognition of delirium in ICU.
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KEYWORD
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Delirium, Intensive care units, Adult, Risk factors
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