Trachea surface anesthesia or and epidural block reduces isoflurane requirements in general anesthesia 和硬膜外阻滞降低异氟醚吸入全麻用药量
Methods 470 cases of ureteral calculi were treated with ureteroscopic ballistic lithoclast under caudal block anesthesia or urethral surface anesthesia 方法在门诊内镜手术室骶管阻滞麻醉或尿道表面麻醉下行输尿管镜术加气压弹道碎石术治疗输尿管结石470例。