Delirium risk associated with esketamine, sevoflurane, propofol, and dexmedetomidine: A real-world study based on the FDA adverse event reporting system.

Abstract

<h4>Objective</h4>Delirium is a serious postoperative complication, increasingly recognized for its heightened risk following the use of sedative drugs. This study aimed to assess the relationship of esketamine, sevoflurane, propofol, and dexmedetomidine with the risk of delirium.<h4>Methods</h4>Data were obtained from the FDA Adverse Event Reporting System (FAERS) database covering the period from the first quarter of 2004 to the second quarter of 2024. Cases of delirium associated with these medications were identified using preferred terms (PTs) defined by the Medical Dictionary for Regulatory Activities (MedDRA 20.0). Disproportionality analyses employed reported odds ratios (ROR) and multiple gamma-Poisson shrinkage (MGPS), while logistic regression assessed the effects of age and sex on the risk of delirium.<h4>Results</h4>A total of 21,433,114 adverse events (AEs) were recorded in the FAERS database, including 16 cases of delirium associated with esketamine, 189 with propofol, 90 with sevoflurane, and 103 with dexmedetomidine. Propofol (ROR: 5.44, EBGM05: 4.8), sevoflurane (ROR: 9.9, EBGM05: 8.26), and dexmedetomidine (ROR: 21.1, EBGM05: 17.67) were significantly associated with the delirium risk, whereas esketamine (ROR: 1.45, EBGM05: 0.96) did not show a significant association. Age was identified as a significant risk factor for delirium, particularly in patients aged 55 years and older.<h4>Conclusion</h4>The findings indicate a significant correlation between propofol, sevoflurane, and dexmedetomidine and the risk of delirium, whereas esketamine does not appear to have a significant association with delirium. Future studies should further explore drug administration and dosage effects on delirium risk to improve clinical safety.

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