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Objective Nociceptive Assessment in Ventilated ICU Patients: A Feasibility Study Using Pupillometry and the Nociceptive Flexion Reflex
Published on: July 4, 2018
Evaluation of Delirium Risk Factors in Intensive Care Patients
Selin Erel1, Eda Macit Aydın2, Bijen Nazlıel3
1Gazi University Faculty of Medicine, Department of Anaesthesiology and Reanimation, Ankara, Turkey.
Objective:
The negative effects of delirium in intensive care unit (ICU) patients necessitate the identification and management of risk factors. This study aimed to determine the incidence of delirium and its associated modifiable and non-modifiable factors in the ICU setting to provide valuable insights for better patient care and outcomes.
Methods:
Patients admitted to the ICU underwent delirium screening twice daily. Comprehensive records of modifiable and non-modifiable risk factors were maintained throughout the ICU stay.
Results:
The incidence of delirium was 32.5%. Age [odds ratio (OR) 1.04, confidence interval (CI) 1.02-1.06, P < 0.001)]. Illiteracy (OR 4, CI 1.19-13.35, P=0.02), hearing impairment (OR 3.37, CI 1.71-7.01, P=0.001), visual impairment (OR 3.90, CI 2.13-7.15, P < 0.001), hypertension (OR 2.56, CI 1.42-4.62, P=0.002), Sequential Organ Failure Assessment score (OR 1.21, CI 1.08-1.36, P=0.001), Acute Physiology and Chronic Health Evaluation II score (OR 1.20, CI 1.12-1.28, P < 0.001), presence of a nasogastric catheter/drain (OR 2.15, CI 1.18-3. 90, P=0.01), tracheal aspiration (OR 3.63, CI 1.91-6.90, P < 0.001), enteral nutrition (OR 2.54, CI 1.12-5.76, P=0.02), constipation (OR 1.65, Cl 1.11-2.45, P=0.02), oliguria (OR 1.56, Cl 1.06-2.28, P=0.02), midazolam infusion (OR 3. 4, Cl 1.16-10.05, P=0.02), propofol infusion (OR 2.91 Cl 1.03-8.19, P=0.04), albumin use (OR 2.39, Cl 1.11-5.14 P=0.02) and steroid use (OR 2.17, Cl 1.06-4.40, P=0.03) were found to be independent risk factors for delirium.
Conclusion:
This study highlights several risk factors contributing to delirium, such as age, sensory impairment, educational level, procedural interventions, and medications. Oral nutrition and mobilization are effective strategies for reducing delirium incidence in the ICU.
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