JAMA Surg:低剂量全身CT用于多发性创伤检查

2020-01-20 MedSci MedSci原创

研究发现,使用迭代图像重建的低剂量全身CT扫描诊断多发性创伤的漏诊风险与标准计量相当,同时降低50%的辐射量

全身CT(WBCT)用于筛查疑似钝性多发性创伤仍存在争议,过量辐射是主要原因。近日研究人员比较了低剂量WBCT与标准计量相比漏诊率的差异。

疑似钝器多发性创伤患者参与研究,565名患者接受了标准剂量WBCT, 509例患者接受了迭代图像重建低剂量WBCT。研究的主要终点为漏诊的发生率,次要终点为两种成像方法的辐射暴露。

患者平均年龄52.7岁,男性649名,共有114名患者(11.7%)有多发性创伤,损伤严重程度评分为16分或更高。在治疗时,468名患者中有109名(23.3%)在标准剂量下漏诊,503名患者中有107名(21.3%)在低剂量WBCT组中漏诊(风险差:-2.0%;未经调整的比值比:0.89)。标准剂量WBCT组的中位数辐射暴露量为11.7mGy,低剂量WBCT组降至5.9mGy。

研究发现,使用迭代图像重建的低剂量全身CT扫描诊断多发性创伤的漏诊风险与标准计量相当,同时降低50%的辐射量。

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    2020-12-31 jml2009
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    2020-01-20 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

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