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- W3087235892 abstract "Objective: Benzodiazepines (BZD) are one of the most frequently prescribed drugs worldwide. However, the cognitive effects of benzodiazepines in the elders are highly debated. This systematic review and meta-analysis aims to explore the following two questions in the elderly or in the elderly population: (i) Do BZD lead to any impairments in cognitive functions in elderly users? (ii) Which specific cognitive domains are most affected by BZD use and abuse? Methods: First, we performed a literature search following the PRISMA guidelines. Electronic databases, including PubMed, PsycINFO, EMBASE, Cochrane Library, and Web of Science were searched until May 14th, 2020. After selecting the relevant articles, we integrated the results of the selected studies with a standardized cognitive classification method. Next, we performed meta-analyses with the random-effects model on the cognitive results. Finally, we specifically examined the cognitive impairments of BZD in the abuse subgroup. Results: Eight of the 13 included studies had meta-analyzable data. Compared to the controls, elderly BZD users had significantly lower digital symbol test scores (n=253; SMD: -0.61, 95% CI: -0.91 to 0.31, I² = 0%, p < 0.0001). There was no significant difference in Mini-Mental State Examination, Auditory Verbal Learning Test, and Stroop Color and Word Test scores between BZD users and controls. According to the subgroup analyses, BZD abusers performed significantly worse than controls in Mini-Mental State Examination (n=7726; SMD: -0.23, 95% CI: -0.44 to -0.03, I² = 86%, p =0.02), while there was no significant difference between the regular BZD users and the controls (n=1536; SMD: -0.05, 95% CI: -0.59 to 0.48, I² = 92%, p =0.85). Conclusion: In the elders’ population, the processing speed (digital symbol test scores) was significantly impaired in BZD users; the global cognition (Mini-Mental State Examination scores) was significantly impaired in BZD abusers but not in BZD regular users. This study provides insights into the factors that interact with BZD cognitive effects, such as aging, testing tools, and abuse. Clinicians should be cautious when prescribing BZD for the elderly. PROSPERO registration No. CRD42019124711." @default.
- W3087235892 created "2020-09-25" @default.
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- W3087235892 date "2020-09-17" @default.
- W3087235892 modified "2023-10-17" @default.
- W3087235892 title "The Effects of Benzodiazepine Use and Abuse on Cognition in the Elders: A Systematic Review and Meta-Analysis of Comparative Studies" @default.
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- W3087235892 doi "https://doi.org/10.3389/fpsyt.2020.00755" @default.
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