Onset of anesthesia were observed, perfect time for local anesthetic dosage, hemodynamic changes before and after anesthesia.
观察两组麻醉起效、完善时间，局麻药用量，麻醉前后血流动力学变化。
The onset time of sensory and motor block, degree of motor block, the height of sensory and the quality of anesthesia were compared.
行连续低位硬膜外麻醉。 观察感觉阻滞起效时间、感觉阻滞平面上界、运动阻滞起效时间、运动阻滞程度及麻醉质量。
Objective In comparison with administration of inhalation, intravenous anesthesia provides more rapid onset, smoother induction, more stable maintenance phase, and worse practical control.
吸入麻醉易于管理，麻醉深浅易于控制，而静脉麻醉起效快，诱导平稳，但操作可控性差。
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