综上所述，低剂量造影剂64排螺旋CT肺动脉成像诊断肺栓塞中同常规剂量造影剂在信噪比、对比噪声比、图像噪声及主观图像质量评分、肺血管强化CT值上并无明显差异，同时不良反应发生率较低，值得推广应用。

    参考文献

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