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目的探讨提高创伤性休克患者颈外静脉留置针穿刺成功率的最佳方法。方法将100例创伤性休克患者按随机数字表法随机分为试验组、对照组各50例。试验组采用真空负压进针颈外静脉留置针穿刺方法，对照组按常规方法行颈外静脉穿刺，观察两组一次穿刺成功率及穿刺成功所需时间。结果试验组一次穿刺成功率和穿刺成功所需时间明显优于对照组(<0.05)。结论真空负压进针颈外静脉留置针穿刺方法能缩短穿刺时间，提高穿刺成功率，有利于创伤性休克患者尽早建立静脉通道。“,”Objective To explore the best way to improve and the success rate of the external jugular vein indwel ing needle puncture in patients with traumatic shock. Methods 100 cases of traumatic shock patients were randomly divided into experimental group and control group, each of 50 cases. The experiment group adopted the vacuum negative pressure method in external jugular vein indwel ing needle puncture , while the control group received the routine method of external jugular vein puncture, one time success rate of puncture and the time expent on puncture success were required to observe. Results In the experimental group, one time success rate of puncture and puncture time was significantly bet er than the control group ( <0.05). Conclusion The method of vacuum negative pressure puncture in external jugular vein indwel ing needle puncture can shorten the time of puncture, improve the success rate of puncture, is conducive to the establishment of intravenous access as soon as possible in patients with traumatic shock.