WIRELESS RETROSPECTIVE GATING - APPLICATION TO CINE CARDIAC IMAGING
WIRELESS RETROSPECTIVE GATING - APPLICATION TO CINE CARDIAC IMAGING
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DOI：
10.1016/0730-725x(90)90001-i
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发表时间：
1990-01-01
影响因子：
2.5
通讯作者：
SPRAGGINS, TA
中科院分区：
文献类型：
--
作者：
SPRAGGINS, TA
介绍了一种新的“无线”心脏成像方法，与ECG触发不同，该方法允许在终末孔对心脏进行成像，并大大减少了相位编码方向上的拖尾伪影。这是对ECG驱动的回顾性门控的改进，因为可以对ECG较差的患者进行成像。该方法扩展了心脏成像的适用性，并且由于它不需要生理监测硬件，因此可以在任何MR成像仪上轻松实现。这种方法产生的图像比ECG触发产生的图像好上级，尤其是在“电影”循环中观看时。此外，本文描述的技术可扩展到周期性或准周期性运动是问题的任何区域。
A new "wireless" method of cardiac imaging is introduced, which, unlike ECG triggering, allows imaging the heart at end-diastole, and greatly reduces smearing artifacts in the phase-encoding direction. It is an improvement over ECG-driven retrospective gating, in that patients with poor ECGs can be imaged. This method extends the applicability of cardiac imaging, and since it requires no physiological monitoring hardware, can be implemented easily on any MR imager. The images produced by this method are superior to those from ECG triggering, especially when viewed in a "cine" loop. The technique described herein is, furthermore, extendable to any area where periodic or quasi-periodic motion is a problem.