Preoperative Esketamine Alleviates Postoperative Pain after Endoscopic Plasma Adenotonsillectomy in Children.
Abstract
<b>Objective:</b> We aimed to investigate preoperative esketamine alleviating postoperative pain in children after endoscopic plasma total adenotonsillectomy.<b>Methods:</b> We recruited 200 children with adenotonsillar hypertrophy at Wuhan Children's Hospital between September 2021 and April 2022. The children were randomly assigned to receive preoperative esketamine (ESK group) or fentanyl (FEN group). The primary endpoint was serum c-fos and c-jun levels. The secondary endpoints were face, legs, activity, cry, and consolability (FLACC) score and adverse events.<b>Results:</b> After surgery, c-fos and c-jun mRNA levels were increased significantly in both groups. Postoperatively, c-fos and c-jun mRNA levels were higher in FEN group compared with the ESK group (<i>P</i><0.05). The FLACC scores were higher in the FEN group compared with the ESK group at 1 and 24 hours after surgery (<i>P</i><0.05). Prediction probability (P<sub>k</sub>) values indicated that c-fos and c-jun mRNA levels were quantitative predictors for early postoperative pain and stress reaction after surgery.<b>Conclusions:</b> Esketamine-based anesthesia (1mg/kg) can alleviate postoperative pain and regulate the inflammatory reaction in children undergoing endoscopic plasma adenotonsillectomy.
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