患者睡觉的时候可能会有10到25秒的时间是没有呼吸的，这会减少血流和大脑的供氧量。

While asleep, suffers may stop breathing for between 10 to 25 seconds at a time, depleting the bloodstream and brain of vital oxygen supplies.

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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。

Onset of anesthesia were observed, perfect time for local anesthetic dosage, hemodynamic changes before and after anesthesia.

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但复苏后维持血流动力学稳定时间较短。

But the time is short in maintaining stable hemodynamics.

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