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CT平扫与增强扫描在闭合性腹部外伤中的诊断价值比较

CT plain scan versus enhanced scan in the diagnosisof blunt abdominal trauma

    摘要
  • 摘要:
      目的  比较CT平扫与增强扫描在腹部闭合性损伤(BAT)中的诊断价值。
      方法  选取疑似BAT患者97例, 均行CT平扫和增强扫描，以手术病理结果为“金标准”，分析二者对内脏损伤的诊断准确率。
      结果  97例患者中, 82例经临床病理确诊为BAT, 共计损伤脏器103处。CT平扫与增强扫描检出率分别为91.26%、98.06%, 差异有统计学意义(P < 0.05)。CT平扫与增强扫描诊断腹部闭合性外伤的灵敏度分别为90.24%、97.56%, 特异度分别为73.33%、86.67%, 准确度分别为87.63%、95.88%, 一致性Kappa值分别为0.573、0.842。
      结论  CT平扫与增强扫描均是腹部损伤的重要检查方法，有利于发现脏器损伤并评价严重程度，且增强扫描诊断价值较平扫更具优势。

     

    Abstract:
      Objective  To compare the value of CT plain scan and enhanced scan in the diagnosis of blunt abdominal trauma (BAT).
      Methods  A total of 97 patients with suspected BAT were selected and conducted with CT plain scan and enhanced scan. The diagnostic accuracy of visceral injury was analyzed based on the results of operative pathology as "golden standard".
      Results  Among the 97 patients, 82 cases were diagnosed as BAT according to result of clinicopathology, with totally 103 injured organs. The detection rates of plain and enhanced CT scans were 91.26% and 98.06% respectively, and there was significant difference (P < 0.05). The sensitivity, specificity, accuracy and Kappa value of CT plain scan and enhanced scan in the diagnosis of BAT were 90.24% and 97.56%, 73.33% and 86.67%, 87.63% and 95.88%, and 0.573 and 0.842.
      Conclusion  Both CT plain scan and enhanced CT scan are important methods for examination of abdominal injuries, which are helpful for finding organ injuries and evaluating severity, and the diagnostic value of enhanced CT scan is greater than that of CT plain scan.

     

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