• Min Wang, Ting-Ting Wang, Chen Liu, and Zhou-Quan Wu.
• Department of Anesthesiology, The Third Affiliated Hospital of Nanjing Medical University, The Second People's Hospital of Changzhou, No.68, Gehuzhong ST, Wujin District, Changzhou City, Jiangsu Province, China.
• J Anesth. 2024 Nov 11.

PurposeTo investigate the efficacy of penehyclidine (PHC) for preventing postoperative nausea and vomiting (PONV) after laparoscopic sleeve gastrectomy (LSG) under general anesthesia.Materials And MethodsIn this prospective study, 219 patients who were scheduled to undergo LSG were randomly assigned to three cohorts: the control cohort (received normal saline), the infusion cohort (administered 0.25 mg of PHC intravenously followed by an additional 0.25 mg through an intravenous analgesia pump for 48 h after LSG), and the bolus cohort (received a single intravenous dose of 0.5 mg of PHC). The study outcomes included the incidence of PONV within the first 48 h postoperatively, the severity and intensity of PONV, side effects and postoperative recovery outcomes. Univariate and multivariate logistic analyses were performed to identify independent risk factors associated with PONV.ResultsCompared with the control cohort, both the infusion and bolus cohorts presented considerably lower incidences of PONV (61.64% vs. 12.33% vs. 38.36%, P < 0.05), as well as significantly decreased PONV severities (P < 0.05) and intensities (P < 0.05). There were no significant differences in side effects and postoperative recovery outcomes among the three cohorts, with the exception of dry mouthand the administration of rescue antiemetic therapy (P < 0.05). Additionally, the Apfel risk score and PHC intervention were identified as independent risk factors associated with PONV incidence following LSG (P < 0.05).ResultsPHC effectively prevented PONV occurrence and reduced its severity in LSG patients without decreasing postoperative recovery outcomes, particularly in the infusion cohort.© 2024. The Author(s) under exclusive licence to Japanese Society of Anesthesiologists.

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