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经胸超声心动图诊断主动脉夹层的准确率分析

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摘要 目的:分析经胸超声心动图诊断主动脉夹层的准确率。方法:选取2022年1月—2023年6月就诊于北京市石景山医院的50例疑似主动脉夹层患者。所有患者分别独立完成经胸超声心动图(TTE)与CT血管造影(CTA)检查。以CTA检查结果作为金标准,分析TTE诊断结果以及Stanford分型结果的准确率。基于CTA检查结果将患者分为主动脉夹层组与非主动脉夹层组,对比TTE检测的主动脉内径;统计经CTA确诊的主动脉夹层患者的TTE间接征象。结果:TTE诊断准确率为90.00%,与CTA诊断一致性良好(Kappa值=0.795)。TTE对主动脉根部、升主动脉、弓部动脉以及降主动脉近端的异常检出率与CTA差异无统计学意义(P> 0.05);TTE对降主动脉远端及腹部动脉的异常检出率低于CTA,差异有统计学意义(P <0.05)。TTE对Stanford分型诊断的准确率为88.00%,与CTA诊断、一致性尚可(Kappa值=0.733)。基于CTA检查结果将患者分为主动脉夹层组与非主动脉夹层组,主动脉夹层组的主动脉内径大于非主动脉夹层组,差异有统计学意义(P <0.05)。29例患者经CTA确诊为主动脉夹层,TTE检出86.21%动脉扩张、55.17%主动脉瓣反流、20.69%假腔内血栓、79.31%夹层破口、27.59%心包积液。结论:TTE在主动脉夹层的诊断与分型诊断中具有较高的准确性,具有显著的征象特点,除直接征象外,还能够明显观察到主动脉扩张、夹层破口和主动脉瓣反流的间接征象,但对降主动脉远端及腹部动脉异常的检出效果还具有一定提升空间。
作者 张丽
出处 《影像研究与医学应用》 2023年第22期128-130,共3页 Journal of Imaging Research and Medical Applications
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