A.低濃度局部麻醉藥(0.0625%~0.12%布比卡因或0.1%~0.15%羅哌卡因)加小劑量阿片類藥(0.2~0.6μg/ml舒芬太尼或1~4μg/ml芬太尼)
B.低濃度局部麻醉藥(0.0625%~0.12%布比卡因或0.1%~0.15%羅哌卡因)加小劑量雷米芬太尼(1~2μg/ml)
C.低濃度局部麻醉藥(0.0625%~0.12%布比卡因或0.1%~0.15%羅哌卡因)加可樂定(20~40mg)
D.2%利多卡因加小劑量阿片類藥(0.2~0.6μg/ml舒芬太尼或1~4μg/ml芬太尼)
E.1%利多卡因加小劑量曲馬多