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Delirium Risk Factors in Hospitalized Patient: A Comprehensive Evaluation of Underlying Diseases and Medications in Different Wards of a Large Urban Hospital Center in Iran Publisher Pubmed



Arbabi M1, 2 ; Ziaei E3 ; Amini B3 ; Ghadimi H3 ; Rashidi F3 ; Shohanizad N4 ; Moradi S5 ; Beikmarzehei A3 ; Hasanzadeh A3 ; Parsaei A5
Authors
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Authors Affiliations
  1. 1. Brain & Spinal Cord Injury Research Centre, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Psychosomatic Medicine Research Centre, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Faculty of Medicine, Tehran University of Medical Science, Tehran, Iran
  4. 4. Azad University of Medical Science, Tehran, Iran
  5. 5. Non-communicable Diseases Research Center, Tehran University of Medical Sciences, Jalal Street, Tehran, 1411713139, Iran

Source: BMC Anesthesiology Published:2022


Abstract

Background: Delirium is a neurobehavioral syndrome, which is characterized by a fluctuation of mental status, disorientation, confusion and inappropriate behavior, and it is prevalent among hospitalized patients. Recognizing modifiable risk factors of delirium is the key point for improving our preventive strategies and restraining its devastating consequences. This study aimed to identify and investigate various factors predisposing hospitalized patients to develop delirium, focusing mostly on underlying diseases and medications. Method: In a prospective, observational trial, we investigated 220 patients who had been admitted to the internal, emergency, surgery and hematology-oncology departments. We employed the Confusion Assessment Method (CAM) questionnaire, The Richmond Agitation Sedation Scale (RASS), the General Practitioner Assessment of Cognition (GPCOG), demographic questionnaire, patient interviews and medical records. Multivariate logistic regression models were used to analyze the predictive value of medications and underlying diseases for daily transition to delirium.; demographics were analyzed using univariate analysis to identify those independently associated with delirium. Results: Two hundred twenty patients were enrolled; the emergency department had the most incident delirium (31.3%), and the surgery section had the least (2.4%); delirium was significantly correlated with older ages and sleep disturbance. Among multiple underlying diseases and the medications evaluated in this study, we found that a history of dementia, neurological diseases and malignancies increases the odds of transition to delirium and the use of anticoagulants decreases the incident delirium. Conclusion: Approximately 1 out of 10 overall patients developed delirium; It is important to evaluate underlying diseases and medications more thoroughly in hospitalized patients to assess the risk of delirium. © 2022, The Author(s).
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