Objective To observe the effects of epidural anaesthesia (EA) and general anaesthesia (GA) on the changes of plasma epinephrine (E) and norepinephrine (NE) during laparoscopic cholecystectomy (LC).
目的观察在硬膜外麻醉和全身麻醉下，腹腔镜胆囊切除术中血浆肾上腺素（E） 和去甲肾上腺素（NE） 的变化。
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