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Eur Radiol:基于T1 mapping图计算准确预测钆剂延迟强化的价值。

2017-09-05 shaosai MedSci原创

评估腺苷负荷心肌灌注磁共振成像(CMR)后T1mapping图增强后早期合成钆剂增强(ESGE)成像与传统延迟钆剂增强(LGE)成像在评价心肌梗死的价值,并将结果发表在Eur Radiol上。

评估腺苷负荷心肌灌注磁共振成像(CMR)后T1mapping图增强后早期合成钆剂增强(ESGE)成像与传统延迟钆剂增强(LGE)成像在评价心肌梗死的价值,并将结果发表在Eur Radiol上。本研究共纳入了214例负荷灌注CMR怀疑心肌缺血的患者。在合成(2-3 min post-gadolinium)和传统(9 min post-gadolinium)图像上由两名观察者独立定量评价心肌梗死体积。计算每一位患者和每一处分割区域的敏感性、特异性、PPV和NPV。两种技术在23例患者中发现39处异常强化区域。在ESGE和LGE成像中显示心肌梗死的中位数量分别为2.0 (1.0-3.1) g、2.2 (1.1-3.1) g (p=0.39)。在ESGE和LGE图像中具有很好的相关性(r=0.997)和一致性(平均绝对差:-0.028±0.289ml)。在每个患者的ESGE图像的敏感性、特异性、PPV和NPV分别为(78.9-99.9), 99 (97.1-100.0)%, 96 (76.5-99.4) and 99.5 (96.6-99.9)在每个分割区域ESGE图像的敏感性、特异性、PPV

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    2017-09-13 大爰

    学习并分享!!

    0

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    2017-09-06 flysky120

    学习一下知识

    0

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Eur Radiol:玩转MRI之利用MRI T1 mapping评价实体器官移植后急性肾损伤的价值

实体器官移植是一种大型手术,因此对患者的伤害也是非常显着的,尤其以急性损伤为着。T1 mapping为一种非侵入性功能MRI检查技术。研究旨在评价利用T1 mapping 对实体器官移植术后患者发生术后急性肾损伤的价值以及T1时间与肾功能的相关性,并将结果发表在Eur Radiol上。

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