Blyth A S, Hughes R L, Miller C D
Division of Anaesthesia, Royal Infirmary, Glasgow.
Ann R Coll Surg Engl. 1990 Jul;72(4):250-2.
Thirty patients undergoing elective eye surgery had anaesthesia induced with sodium thiopentone, suxamethonium and d-tubocurarine chloride. Patients were ventilated with nitrous oxide, oxygen and either halothane or enflurane. The volatile agents were used to decrease the systolic blood pressure to 80 mmHg. The volatile agent concentration in the blood was measured at 30 min intervals. Both agents were effective in producing hypotension, but enflurane was the more potent hypotensive agent in terms of MAC equivalents. There was no significant differences between the agents with respect to speed of recovery.
30例接受择期眼科手术的患者采用硫喷妥钠、琥珀酰胆碱和氯化筒箭毒碱诱导麻醉。患者使用氧化亚氮、氧气以及氟烷或恩氟烷进行通气。使用挥发性麻醉剂将收缩压降至80 mmHg。每隔30分钟测量一次血液中挥发性麻醉剂的浓度。两种麻醉剂在产生低血压方面均有效，但就最低肺泡有效浓度（MAC）当量而言，恩氟烷是更强效的降压剂。两种麻醉剂在恢复速度方面无显著差异。
