Objective to observe the feature and the safety of ropivacaine and bupivacaine in blockanesthesiaofcervicalplexus, and to appraise the clinical outcome of ropivacaine.
目的观察罗哌卡因与布比卡因用于颈丛阻滞的特性及安全性，评价罗哌卡因的临床效果。
2
Objective: To compare the anesthesia effects and complications of 0.25% levobupivacaine and 0.25% bupivacaine for cervicalplexusblock.
目的：比较0.25%左旋布比卡因和0.25%布比卡因用于颈丛阻滞的麻醉效果和并发症。
3
Objective To explore the effect of inhalation-intravenous general anesthesia combined with cervicalplexusblock in the thyroid surgery.