美国得克萨斯州西南药学中心著名麻醉学教授保罗·怀特教授，在我国首次静脉麻醉研讨会上所作的专题报告中指出，目前在中国和其他国家常用的麻醉维持方法多以静脉麻醉诱导及吸入麻醉药维持，而现代麻醉学的新趋势是全静脉麻醉。80年代由英国开发研制的新型静脉麻醉药异丙酚（? Professor Paul White, a famous professor of anesthesiology at the Southwestern Medical Center of Texas State University in the United States, pointed out in his special report on the first seminar on intravenous anesthesia in our country that the commonly used methods of anesthesia maintenance in China and other countries are mostly intravenous anesthesia induction and inhalation anesthetics Maintenance, while the new trend of modern anesthesia is the whole vein anesthesia. 80 developed by the British new intravenous anesthetic propofol (?