Objective:To investigate the application of sufentanil in the LC during anesthesia.Methods:A total of 40 patients,classified as ASAⅠ-Ⅱ,undergoing elective laparoscopic cholecystectomy,were included in this study.Patients were randomly divided into two groups(n=20each),group SF(sufentanil) and group F(fentanyl).Group SF was given sulfentail during anesthesia induction and maintenance,while Group F received fentayl.Observe the hemodynamics change during anesthesia induction and maintenance,awakening time from...