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目的：探讨品管圈活动在降低留置针并发症发生率中的作用。方法成立品管圈小组，选定主题“降低留置针并发症的发生率”，通过品管圈的手法及步骤进行持续改进，比较活动前后留置针并发症的发生率。结果留置针并发症的发生率由活动前的37.78%降低至活动后的10.25%，差异具有统计学意义(<0.05)并且改善了患者对留置针的认知，使留置针的使用得到推广。结论品管圈活动有效的降低了留置针并发症的发生率，而且提高留置针的使用率，减少了一次钢针的使用。“,”Objective To discuss the effect of the activities of Quality Control Circle on reducing the incidence rate of complications of indwelling needle. Methods Establishing a group of Quality Control Circle, Selecting the topic of “ reducing the incidence rate of complications of indwelling needle”, comparing the incidence rate of complications of indwelling needle by the activities of experiment through the improvements for the Quality Control Circle. Results Incidence rate of complications of indwelling needle reduced from 37.78% of pre-activity to 10.25% of after-activity. The difference has statistical meaning ( <0.05) and also changes the understandings of the patients to the indwelling needle and therefore, the application of the indwelling needle has increased.Conclusion The activities of Quality Control Circle have positive effects on reducing the incidence rate of complications of indwelling needle and the enhancing the usage of the indwelling needle and the usage of disposable needles has decreased dramatically.