Objective To choose suitable monitoring index and general anesthetic blood concentration for median nerve somatosensory evoked potential(MnSSEP)during operation.
目的为术中正中神经体感诱发电位监测选择合适的监测指标和全麻药浓度。
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RESULT AND CONCLUSION Lidocaine-base aerosol that the concentration over 1% has good surface anesthetic effect.
结论浓度在1%以上的利多卡因碱气雾剂具有良好的表面麻醉作用。
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Mac is defined as minimal alveolar concentration of an anesthetic vapour needed to prevent 50% subjects from moving toward standard surgical incision at 1 atmosphere at equilibrium.