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目的探讨超声引导小儿臂丛神经阻滞的临床特点。方法 128例行切开复位内固定手术治疗的前臂闭合尺桡骨骨折患儿随机分为US、T两组,每组64例。US组于超声引导下实施臂丛神经阻滞,T组采用传统盲探法引导。采用神经电生理监测两组患儿注药10 min后臂丛神经的阻滞情况,对比两组患儿麻醉操作完成时间、麻醉术中全麻药的用量、术后麻醉恢复室停留时间及并发症。结果注药10 min后,US组患儿正中神经、桡神经、尺神经、肌皮神经完全阻滞情况均优于T组(P<0.05);与T组比较,US组操作耗费时间较长、全麻药用量较少,术后苏醒时间较短,苏醒期躁动少(P<0.05)。结论超声引导下小儿臂丛神经阻滞,虽然操作耗时较长,但阻滞成功率高、全麻药用量少、恢复时间短、并发症少。
Objective To investigate the clinical features of ultrasound-guided brachial plexus block in children. Methods A total of 128 children with ulnar radius fracture treated by open reduction and internal fixation were randomly divided into two groups (US and T, 64 cases in each group). US group under the guidance of ultrasound brachial plexus block, T group using the traditional blind exploration method. Electrophysiological monitoring of brachial plexus block was performed in both groups 10 min after injection, and the completion time of anesthesia, the amount of anesthesia in anesthesia, the duration of postoperative anesthesia recovery room and complications . Results After 10 minutes of injection, the complete block of the median nerve, radial nerve, ulnar nerve and musculocutaneous nerve in the US group was better than that in the T group (P <0.05). Compared with the T group, the operation in the US group took a long time , Less dosage of general anesthetics, postoperative recovery time is shorter, restless less agitation (P <0.05). Conclusion Ultrasound guided brachial plexus block in children, although the operation takes a long time, but the success rate of block, less dosage of general anesthetics, recovery time is short, fewer complications.