Objective: To evaluate the effect of analgesia and hemodynamic responses on combined lumbar plexus-sciatic nerve block for emergent lower-extremity surgery.
目的：观察单侧腰丛-坐骨神经阻滞用于下肢外伤性手术麻醉的镇痛效果及对血液动力学的影响。
Objective: to observe the feasibility of combined lumbar plexus and sciatic nerve block guided by nerve stimulator in children for lower limb surgery.
目的：观察小儿下肢手术在神经刺激器引导下应用腰丛-坐骨神经联合阻滞的可行性。
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