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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Acoustic radiation force impulse imaging of myocardial radiofrequency ablation: initial in vivo results
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Acoustic radiation force impulse imaging of myocardial radiofrequency ablation: initial in vivo results

机译：心肌射频消融的声辐射力脉冲成像：体内初步结果

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摘要

Acoustic radiation force impulse (ARFI) imaging techniques were used to monitor radiofrequency (RF) ablation of ovine cardiac tissue in vivo. Additionally, ARFI M-mode imaging methods were used to interrogate both healthy and ablated regions of myocardial tissue. Although induced cardiac lesions were not visualized well in conventional B-mode images, ARFI images of ablation procedures allowed determination of lesion location, shape, and relative size through time. The ARFI M-mode images were capable of distinguishing differences in behavior through the cardiac cycle between healthy and damaged tissue regions. As conventional sonography is often used to guide ablation catheters, ARFI imaging, which requires no additional equipment, may be a convenient modality for monitoring lesion formation in vivo.
机译：声辐射力脉冲（ARFI）成像技术被用来监测羊心脏组织在体内的射频（RF）消融。另外，ARFI M模式成像方法用于询问心肌组织的健康区域和消融区域。尽管在传统的B模式图像中不能很好地观察到诱发的心脏病变，但是消融手术的ARFI图像可以确定病变的位置，形状和相对大小。 ARFI M模式图像能够通过健康和受损组织区域之间的心动周期区分行为差异。由于常规超声检查通常用于引导消融导管，因此不需要其他设备的ARFI成像可能是监测体内病变形成的便捷方式。

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