【摘 要】目的：研究优化超声引导下颈中神经节阻滞操作的方法及效果。方法：选取64例颈中神经节阻滞患者作为研究对象，比较四组Horner征出现时间、持续时间与声嘶或咽异物感及血肿发生率。结果：四组Horner征出现时间、持续时间与血肿发生率无差异(P>0.05)。结论：超声引导下颈中神经节阻滞操作过程中，选取颈长肌外上方注射局麻药3ml方式可有效减少声嘶及咽异物感发生率，值得推广应用。

    【关键词】超声;颈中神经节阻滞;血肿

    Abstract：Objective To study the method and effect of ultrasound-guided middle cervical ganglion block. Methods： 64 patients with middle cervical ganglion block were selected as the study subjects. hematoma in four groups. Results： There was no difference in the time and duration of Horner's sign and the incidence of hematoma among the four groups (P > 0.05). CONCLUSION： During the operation of ultrasound-guided middle cervical ganglion block ......