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。

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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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The onset time of sensory block, the fixed time of block, the classes of anesthesia quality, the influence on circulatory system and the complications were observed.

观察两组的感觉阻滞起效时间、麻醉平面固定时间、麻醉质量评级、对循环的影响以及并发症发生的情况。

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