Abstract：Objective To analyze the clinical effect of combined anesthesia with laryngeal mask under spontaneous breathing during thoracoscopic surgery.Methods Clinical data of 80 patients who underwent thoracoscopic surgery in Yangjiang People's Hospital from May 2020 to January 2022 were retrospectively analyzed.They were divided into control group and observation group according to different anesthesia methods,with 40 cases in each group.The control group received double-lumen endotracheal intubation under general anesthesia,and the observation group received combined anesthesia with laryngeal mask under spontaneous breathing.The anesthesia time,recovery time,hospital stay,operation time,postoperative complications,mean arterial pressure (MAP) and heart rate (HR) at different time periods,and minimum intraoperative oxygen saturation(SpO2)and maximum intraoperative partial pressure of end-tidal carbon dioxide (PetCO2) were compared between the two groups.Results The anesthesia time,hospital stay,recovery time and operation time in the observation group were shorter than those in the control group,with statistically significant differences (P＜0.05).The total incidence of postoperative complications in the observation group was lower than that in the control group with a statistically significant difference (P＜0.05).The minimum intraoperative SpO2 and maximum intraoperative PetCO2 in the observation group were higher than those in the control group,with statistically significant differences (P＜0.05).The MAP level at T2 and T3 and HR level at T2,T3 and T4 in the observation group were lower than those in the control group,and the differences were statistically significant (P＜0.05).Conclusion The application of laryngeal mask static aspiration combined anesthesia with spontaneous breathing in thoracoscopic surgery can significantly reduce the dosage of anesthetics,shorten the operation time and hospital stay,reduce side effects,have higher safety,and have little impact on the body.Therefore,it can be safely applied in clinical thoracoscopic surgery.
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