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目的：探讨PDC A循环理论对经外周静脉置入中心静脉导管的患者进行安全管理的应用效果。方法将116例经外周静脉置入中心静脉导管的患者按住院时间分为两组，研究组采用PDCA循环理论管理，对照组采用常规安全管理方法，比较两组患者的并发症发生率。结果研究组患者并发症发生率显著低于对照组（P＜0．05）。结论应用PDCA循环理论对经外周静脉置入中心静脉导管的患者进行安全管理可明显减少留置期间的并发症，延长留置时间，提高患者满意度。“,”Objective To explore the application effect of plan‐do‐check‐action (PDCA) cycle in peripherally inserted central venous catheters (PICC) safety management .Methods A total of 116 patients undergoing the PICC were assigned to two groups according to the length of stay ,re‐search group was managed with the PDCA cycle and control group with routine safety management ,com‐plication incidences were compared between two groups .Results Complication incidence was significantly lower in research than control group (P<0 .05) .Conclusion The PDCA cycles used in the management of patients undergoing the PICC could notably reduce complications during indwellingness ,prolong indwell‐ing time ,and raise patients’ satisfaction .