Effect of esketamine vs dexmedetomidine adjunct to propofol sedation for pediatric 3Tesla magnetic resonance imaging: a randomized, double-blind, controlled trial
التفاصيل البيبلوغرافية
العنوان:
Effect of esketamine vs dexmedetomidine adjunct to propofol sedation for pediatric 3Tesla magnetic resonance imaging: a randomized, double-blind, controlled trial
Abstract Background Adequate sedation is essential for pediatric patients undergoing 3Tesla (T) magnetic resonance imaging (MRI). Using propofol alone is associated with patient arousing and adverse airway events. This study aimed to assess esketamine vs dexmedetomidine adjunct to propofol sedation for pediatric 3 T MRI. Methods In this randomized, double-blind, controlled trial, 114 pediatric patients aged between 6 months and 8 years were randomly assigned, in a 1:1 ratio, to the esketamine–propofol group or the dexmedetomidine–propofol group. Sedation was provided with esketamine or dexmedetomidine in combination with propofol titration. The primary outcome was the total dose of propofol. Secondary outcomes included propofol infusion dose, adverse events, time to emergence from sedation, and time to discharge from recovery room. Results A total of 111 patients completed this study (56 in the esketamine–propofol group and 55 in the dexmedetomidine–propofol group). All MRI procedures were successfully performed under sedation. The total median (IQR) dose of propofol was significantly lower in the esketamine–propofol group (159.8 [121.7, 245.2] μg/kg/min) than that in the dexmedetomidine–propofol group (219.3 [188.6, 314.8] μg/kg/min) (difference in medians [95% CI] = − 66.9 [− 87.8 to − 43.0] μg/kg/min, P
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