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目的：探讨建湖医院门诊肾积水患者一站式CT 检查的依从性，对影响因素进行分析。方法对2014年1月—2015年6月200例门诊B超描述单侧或双侧肾积水，建议输尿管C T检查的患者采用问卷形式调查的人群特征、CT检查辐射的认知，以及未依从检查的患者进行当日电话回访。结果 C T检查依从率为91．5％（183／200），未依从率为8．5％（17／200）；有4．0％（8／200）的患者知晓C T检查存在辐射。C T发现输尿管结石146例（79．785％），累计153枚；疑似输尿管内肿瘤2例（1．09％），输尿管内返流6例（3．28％），输尿管外压迫及其它情况导致肾积水27例（14．75）。结论 C T检查能为尿路结石一站式快捷诊疗提供诊断依据。C T检查辐射知晓率和依从率低与文化程度偏低、无家属陪同、疼痛已缓解、医保政策，以及健康教育有关。“,”Objective To explore one‐stop CT examination compliance in hydro‐nephrosis outpatients in Jianhu hospital and to analyze influencing factors .Methods Population character‐istics and understanding of CT examination radiation were surveyed using questionnaire in patients receiv‐ing ureter CT examination among 200 outpatients receiving B ultrasonic examination for unilateral or bilat‐eral hydronephrosis from January 2014 to June 2014 ,telephone revisits conducted in patients didn’t do u‐reter CT examination in the same day .Results Compliance rate of CT examination was 91 .5% (183/200) ,non‐compliance 8 .5% (17/200);4 .0% (8/200) of patients knew the radiation of CT examination . CT examinations discovered that 146 patients (81 .5% ) had ureteral calculus ,accumulative total was 153 ;two patients (1 .09% ) were suspected of ureteral tumor ,6 (3 .28% ) ureteral reflux ,and 27 (14 .75% ) ex‐ternal ureteric compression and hydronephrosis due to other factors .Conclusion CT examinations pro‐vide diagnostic basis for one‐stop fast diagnosis and treatment for urinary stones .Low radiation awareness and compliance rate of CT examination are related to low educational levels ,non‐accompanist ,relieved pain ,medical insurance policy ,and health education .