心脏磁共振扫描技术

TheFirstAffiliatedHospitalofSoochowUniversity陈剑华心脏磁共振扫描技术TheFirstAffiliatedHospitalofSoochowUniversity•随着MR技术的快速发展，心脏磁共振检查正朝着更清晰、更精细、更精确的方向发展。TheFirstAffiliatedHospitalofSoochowUniversity•回顾1992年我院在GEVactra0.5T上就开展了心脏MR检查参考文献：谢道海，丁乙，陈学仁，等.电影磁共振对正常人左心功能的测定.中华放射学杂志，1994,28（7）：444-447.TheFirstAffiliatedHospitalofSoochowUniversity•心脏磁共振所要解决的……1.心脏的解剖形态2.心肌的MR信号有无异常3.心肌的活动情况4.心肌灌注有无异常5.有无异常延时强化6.心功能有无异常TheFirstAffiliatedHospitalofSoochowUniversity•心脏磁共振检查前准备1.呼吸屏气训练2.心电门控的链接3.操作流程的回顾TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描定位首先进行心脏冠、矢、横三方位定位图TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描定位在横位上通过左室心尖与二尖瓣中点的连线定出两腔心TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描定位在两腔心上通过左室心尖与二尖瓣中点的连线定出四腔心TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描定位在四腔心上通过左室心尖与二尖瓣中点的连线的垂直线定出左室的短轴位TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描定位在短轴位上通过室间隔中点并垂直平分左右室定出准四腔心TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描定位在短轴位上通过室间隔中点并垂直平分左右室定出准四腔心TheFirstAffiliatedHospitalofSoochowUniversity•扫描前心电门控补偿TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描1.首先进行短轴位T1、T2、T2压脂序列扫描T1T2T2tirmTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏扫描参考序列：1.T1:tse_9_db_t1_iPAT2.T2:tse_17_db_t2_iPAT3.T2tirm:tirm_15_db_t2_iPATTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影扫描前准备做trufi_freqScout序列TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影扫描前准备1.呼吸屏气训练2.心电门控的链接3.操作流程的回顾TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影扫描2.进行短轴位心脏电影序列扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影扫描参考序列：cine_tf2d12_retro_iPATTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影扫描3.进行四腔心心脏电影序列扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影扫描参考序列：cine_tf2d12_retro_iPATTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影网格扫描4.进行短轴位网格心脏电影序列扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏电影网格扫描参考序列：cine_fl2d9_gridTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏动态扫描5.进行短轴位及四腔心动态序列扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏动态扫描7ml磁共振造影剂（Gd-DTPA）在动态扫描开始后2秒内快速注射参考序列：dynamic_tfl_sr_ePATTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏动态扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏延时扫描1.动态扫描结束后，将剩余的8ml磁共振造影剂（Gd-DTPA）全部注射完毕。2.延时20min扫描。3.扫描前做TIScout。参考序列：TI_ScoutTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏延时扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏延时扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏延时扫描TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心脏延时扫描参考序列：DE_high-res_tfl31_psir_segTheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析将所有短轴位电影序列及四腔心电影序列装载到Argus软件中进行处理TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析ED：舒张末期ES：收缩末期EF：射血分数EDV：舒张末期容积ESV：收缩末期容积SV：每博输出量CO：心博出量TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•磁共振心功能分析TheFirstAffiliatedHospitalofSoochowUniversity•心脏磁共振检查成功的关键1.呼吸屏气训练2.心电门控的链接3.操作流程的回顾[e-mail]