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目的:评价PDCA循环法提高护士使用Autar深静脉血栓形成（DVT）量表评估外科患者静脉血栓风险准确性的效果。方法:2017年8月至2018年12月采用PDCA循环法，按照发现问题-分析原因-对策实施-效果分析的闭环式循环方式，对量表的使用难点进行分析及专业解释，并采用层级教育培训法培训护士。评价干预前后护士使用量表评估的准确性及一致性。结果:研究期间共评估患者396例，干预前、初始阶段、成熟阶段各132例，其中，成熟阶段与干预前比较，对住院、术后、出院的患者评估的一致性差异均有统计学意义（n P<0.0167）。干预前小组成员和责任护士评估一致性共68例（51.52%）；初级阶段，评估一致性共100例（75.76%）；成熟阶段，评估一致性共120例（90.91%），责任护士和小组成员评估的Kappa一致性由干预前的0.354提高到成熟阶段后的0.879。n 结论:PDCA循环法依据临床发现的问题实施对策，明确量表使用的专业术语与规则，提高了护士使用Autar DVT量表的准确性和一致性，正确反映了患者血栓风险，确保了患者的安全。“,”Objective:To investigate the effects of PDCA method on improving the accuracy of the Autar Deep Venous Thrombosis (DVT) Scale used by nurses to assess the risk of deep venous thrombosis in surgical patients.Methods:Applied the way of PDCA, namely, raising questions, analyzing reasons, implementing measures, feeding back effects to professional explanate the difficulty in using the scale, moreover, training the nurses used level education method between August 2017 and December2018.The accuracy and consistency of the scale were compared before and after interventions.Results:A total 396 patients were evaluated in the study. There were significant differences in the consistency of evaluation among hospitalized, post-operative and discharged patients after intervention compared with before intervention (n P< 0.0167).The consistency of assessment of team members and responsible nurses increased from 68 to 120 cases, and the consistency of assessment reached 90.91%. The Kappa consistency of assessment of responsible nurses and team members increased from 0.354 before intervention to 0.879 after intervention. The effect was remarkable.n Conclusions:PDCA cycle method is based on the problems found in clinical practice. It clarifies the professional terms and rules used in the scale, improves the accuracy and consistency of the Autar DVT scale used by nurses, correctly reflects the risk of thrombosis, ensures the safety of patients, and is worthy of promotion and reference.