Objective To explore the effect of two methods on phlebitis induced by peripherally intravenously infused dopamine. Methods One hundred and ninety-five patients with phlebitis caused by peripherally intravenously infused dopamine were randomly divided into experiment group and control group according to the parity of hospitalization number in our department during September 2013 to December 2014. Ninety-eighty cases were assigned in the experiment group and 97 in the control group. In the control group, the venous infusion was done with 24G common intravenous detaining needle and general micro pump infusion extension tube. In the experiment group, it was done with 24G safety intravenous detaining needle, disposable connecting pipe with precision filter and DuoDERM attached to the needle wing of puncture site and its upper skin. The two groups were compared in terms of the incidence and occurrence time of phlebitis. Results The incidence of phlebitis in the experiment group was significantly lower than that of the control group, and its severity significantly lower than that of the control group. In addition, the occurrence time was significantly longer than that in the control group. Conclusion Venous infusing with 24G safety intravenous detaining needle, disposable connecting pipe with precision filter, and DuoDERM attached to the needle wing of puncture site and its upper skin can effectively reduce the incidence and occurrence time of phlebitis caused by dopamine.%目的：探讨安全型留置针与精密过滤器预防外周静脉泵注多巴胺致静脉炎的效果。方法选择2013年9月～2014年12月在本科室住院的经外周静脉持续泵注多巴胺治疗的患者195例，按住院号的奇偶数随机分为实验组98例和对照组97例。对照组应用24G普通留置针、普通延长管进行微量泵输液，实验组应用24G安全型留置针、含有精密过滤器延长管进行微量泵输液，多爱敷水胶体敷料敷贴在针翼穿刺部位及上方的皮肤。输液期间比较两组患者静脉炎发生情况及发生时间。结果两组患者静脉炎发生情况及发生时间比较，均P＜0．01，差异具有统计学意义，实验组患者静脉炎发生率明显低于对照组，而且静脉炎严重程度明显轻于对照组，静脉炎发生时间明显长于对照组。结论外周静脉微量泵输注多巴胺应用24G安全型留置针与精密过滤器，输液期间配合采用多爱敷水胶体敷料敷贴在针翼穿刺部位及上方皮肤，可有效降低多巴胺所致静脉炎的发生率及发生时间。
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