CMR在法洛四联症术后评估中的应用

心脏磁共振（CMR）是法洛四联症（TOF）术后评估的一站式影像诊断工具。随着四维血流CMR技术、CMR-特征追踪技术和纵向弛豫时间定量成像等新技术的发展和应用，CMR可以同时实现心肌运动、血流动力学及心肌组织定量评估，特别对于评价术后TOF（rTOF）早期的血流动力学改变，早期预判rTOF的功能异常，以及反映心肌纤维化与rTOF心律失常的关系是非常有价值的。就上述CMR新技术及其在TOF术后的应用进行综述。

Application of CMR in the evaluation of repaired tetralogy of Fallot

Cardiac magnetic resonance (CMR) is a one-stop diagnostic tool for postoperative evaluation of tetralogy of Fallot (TOF). With the development and application of new techniques such as 4D blood flow cardiac magnetic resonance imaging, cardiac magnetic resonance-feature tracking technology and longitudinal relaxation time quantitative imaging, CMR can simultaneously quantify myocardial motion, hemodynamics and myocardial tissue. CMR is especially valuable for the evaluation of early hemodynamic changes in repaired TOF (rTOF), early prediction of dysfunction of rTOF and the relationship between myocardial fibrosis and rTOF arrhythmia. The above new CMR technology and its application after TOF reparation were reviewed.