• Am J Emerg Med · Sep 2022

    Review Meta Analysis

    Delirium prevalence in geriatric emergency department patients: A systematic review and meta-analysis.

    • Fei Chen, Libo Liu, Yetong Wang, Ying Liu, Luodan Fan, and Junting Chi.
    • Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou, China; Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China.
    • Am J Emerg Med. 2022 Sep 1; 59: 121128121-128.

    BackgroundIn the emergency department, delirium associated with serious adverse outcomes is common in geriatric patients. We performed a meta-analysis and estimated the prevalence of delirium and its related factors among geriatric emergency department patients.MethodsPubMed, Embase, Web of Science, Cochrane Library, CINAHL, PsycINFO, and CBM databases were searched before November 7, 2021. The random-effects model was used to estimate the prevalence of delirium. In addition, subgroup analyses were performed based on continent or region, publication year, age, sample size, and diagnostic criteria or assessment methods.Results30 studies involving 19,534 geriatric patients in the emergency department were included. The overall pooled crude prevalence estimate of delirium was 15.2% [95% confidence interval (CI) 12.5-18.0%]. Subgroup analyses revealed that the region, publication year, age, sample size, and delirium assessment methods were significantly correlated with the prevalence of delirium. Meta-regression analysis showed that the publication year was positively, while the sample size was negatively associated with the pooled prevalence of delirium.ConclusionIn the emergency department, delirium is common in geriatric patients. We should pay specific attention to delirium screening, prevention, and treatment in geriatric patients. Overall appropriate interventions should be utilized to reduce the occurrence of delirium and the adverse outcomes.Copyright © 2022 Elsevier Inc. All rights reserved.

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