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目的：探讨超声和 CT 检查在急诊腹部闭合性损伤中的临床应用价值。方法：选择我院救治的107例腹部闭合性损伤患者作为研究对象，分别进行超声与 CT 检查，与手术结果作为金标准作比较，分析两种影像学检查的诊断符合率并对两种影像学检查的所需时间、临床费用进行比较。结果：实质性脏器损伤86例，超声诊断符合率为88．4％，CT 诊断符合率为86％，两种检查比较，差异无统计学意义（P＞0．05）；但 CT 诊断空腔脏器损伤符合率81％（17／21），明显优于超声诊断符合率33％（7／21）。超声检查平均耗时（9．3？4．5） min、平均费用（159．7？32．1）元，明显低于 CT 检查[（24．6±8．9） min、（726．4±378．5）元]。结论：超声是诊断腹部实质性脏器损伤的有效方法，有快速经济准确的特点；CT 对空腔脏器的诊断优于超声，在实际临床工作中两者应灵活应用。“,”Objective: To explore the value of ultrasonography in diagnosis of blunt abdominal trauma.Methods:107 patients in our hospital with blunt abdominal trauma were selected as the research objects. All patients were diagnosed by ultrasonography and CT,respectively. And then the results were compared with the clinical surgical results. The accordance rate of diagnosis,examine time and cost of the two kinds of imaging diagnosis were analyzed. Results: There were 86 patients with solid organ injury. The accordance rate of diagnosis between ultrasonography and CT was not statistically significant (88.4% vs 86% ,P>0.05).However,The diagnostic accordance rate of CT in the hollow organs was 81% (17 / 21),which was significantly higher than 33% (7 / 21) of ultrasonography. The average examine time and cost of ultrasonography was significantly lower than those of CT [(9.3? 4.5) min vs (24.6? 8.9) min,(159.7? 32.1) CNY vs (726.4? 378.5) CNY]. Conclusion: Ultrasonography is useful as the initial diagnostic tool with cheap and good quality for abdominal solid organ injury in trauma patients. However, the accuracy of CT in diagnosis of trauma in the hollow organs is higher than that of ultrasonography.