The impact of topical lidocaine and timing of LMA removal on the incidence of airway events during the recovery period in children: a randomized controlled trial

摘要

Study flowchart. LA group: lidocaine cream smeared to the cuff of the laryngeal mask airway (LMA) before insertion, with mask removal in the awake state. LD group: lidocaine application and LMA removal under deep anesthesia. NLA group: hydrosoluble lubricant application and LMA removal in the awake state. NLD group: hydrosoluble lubricant application and LMA removal in deep anesthesia