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目的:探讨超声引导在桡动脉穿刺置管中的应用效果。方法:选择2017年1月至2018年1月在台州市中心医院接受手术治疗且术中行桡动脉穿刺置管麻醉的患者100例为研究对象，采用随机数字表法分为对照组与观察组各50例。对照组采取传统触摸脉搏法，观察组在超声引导下穿刺置管。比较两组的首次穿刺成功率、二次穿刺成功率、穿刺时间、穿刺次数、生命体征指标、不良事件发生率、疼痛评分、舒适度评分。结果:观察组的首次穿刺成功率(80%)、二次穿刺成功率(100%)均高于对照组的62%、88%(χn 2＝3.934、6.383，均n P<0.05)；观察组的单次穿刺时间[(59.85±8.31)s]、总穿刺时间[(107.14±35.37)s]，均短于对照组(n t＝5.766、6.398，均n P<0.05)，其穿刺次数[(1.27±0.54)次]少于对照组(n t＝5.689，n P<0.05)；穿刺后，观察组的心率[(73.79±2.46)次/min]、平均动脉压[(96.75±6.76)mmHg]均低于对照组(n t＝5.058、4.635，均n P<0.05)；观察组的皮下血肿、动脉壁穿透等不良事件总发生率(4%)低于对照组的18%(χn 2＝5.005，n P<0.05)；观察组穿刺时、穿刺后的疼痛评分[(1.53±0.71)分、(1.28±0.60)分]均低于对照组(n t＝5.545、6.233，均n P<0.05)，其穿刺时、穿刺后的舒适度评分[(91.25±9.64)分、(97.31±11.37)分]均高于对照组(n t＝6.147、6.226，均n P<0.05)。n 结论:在手术麻醉桡动脉穿刺置管时采用超声技术进行引导，可有效提高穿刺效率，还可减轻患者生命体征波动、疼痛感，减少穿刺时不良事件，提高患者舒适度。“,”Objective:To study the effect of ultrasonic guidance in radial artery catheterization.Methods:From January 2017 to January 2018, 100 patients who received surgical treatment in Taizhou Central Hospital of Zhejiang Province and needed puncture and catheterization anesthesia during operation were randomly divided into control group (n n=50) and observation group (n n=50) according to digital table method.The control group adopted the traditional touch pulse method, while the observation group was guided by ultrasound.The first puncture success rate, the second puncture success rate, puncture time, puncture times, the vital sign index, incidence of adverse events, pain score, comfort score were compared between the two groups.n Results:The first puncture success rate (80%) and the second puncture success rate (100%) of the observation group were higher than 62% and 88% of the control group (χn 2=3.934, 6.383, all n P<0.05). The single puncture time [(59.85±8.31)s] and total puncture time [(107.14±35.37)s] of the observation group were shorter than those of the control group (n t=5.766, 6.398, all n P<0.05), and the puncture times [(1.27±0.54) times] of the observation group was less than that of the control group (n t=5.689, n P<0.05). After puncture, the heart rate [(73.79±2.46)times/min] and average arterial pressure [(96.75±6.76)mmHg] of the observation group were all lower than those of the control group (n t=5.058, 4.635, all n P<0.05). The total incidence of adverse events such as subcutaneous hematoma and arterial wall penetration in the observation group (4%) was lower than that in the control group (18%) (χn 2=5.005, n P<0.05). The pain scores at puncture and after puncture of the observation group [(1.53±0.71)points, (1.28±0.60)points] were lower than those of the control group (n t=5.545, 6.233, all n P<0.05). The comfort scores at puncture and after puncture of the observation group [(91.25±9.64)points, (97.31±11.37)points] were higher than those of the control group (n t=6.147, 6.226, all n P<0.05).n Conclusion:Ultrasonic guidance can effectively improve the puncture efficiency, reduce the fluctuation of vital signs, pain, reduce the adverse events during puncture, and make the patients feel more comfortable.