医学专题一心脏磁共振扫描技术.ppt

The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University陈剑华陈剑华心脏磁共振扫描心脏磁共振扫描(somio)(somio)技术技术第一页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University随着MR技术的快速发展，心脏磁共振检查(jinch)正朝着更清晰、更精细、更精确的方向发展。第二页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University回顾 1992年我院在GE Vactra 0.5T上就开展了心脏(xnzng)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.第三页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University心脏磁共振所要解决的 1.1.心脏的解剖心脏的解剖(jipu)(jipu)形态形态 2.2.心肌的心肌的MRMR信号有无异常信号有无异常 3.3.心肌的活动情况心肌的活动情况 4.4.心肌灌注有无异常心肌灌注有无异常 5.5.有无异常延时强化有无异常延时强化 6.6.心功能有无异常心功能有无异常第四页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University心脏(xnzng)(xnzng)磁共振检查前准备 1.1.呼吸屏气训练呼吸屏气训练 2.2.心电门控的链接心电门控的链接 3.3.操作流程的回顾操作流程的回顾第五页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏扫描(somio)(somio)定位首先进行(jnxng)心脏冠、矢、横三方位定位图第六页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏(xnzng)(xnzng)扫描定位在横位上通过(tnggu)左室心尖与二尖瓣中点的连线定出两腔心第七页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏扫描(somio)(somio)定位在两腔心上(xn shn)通过左室心尖与二尖瓣中点的连线定出四腔心第八页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏扫描(somio)(somio)定位在四腔心上通过左室心尖(xnjin)与二尖瓣中点的连线的垂直线定出左室的短轴位第九页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏扫描(somio)(somio)定位在短轴位上通过(tnggu)室间隔中点并垂直平分左右室定出准四腔心第十页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏(xnzng)(xnzng)扫描定位在短轴位上通过室间隔中点(zhn din)并垂直平分左右室定出准四腔心第十一页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University扫描(somio)(somio)前心电门控补偿 第十二页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏扫描 1.1.首先进行首先进行(jnxng)(jnxng)短轴位短轴位T1T1、T2T2、T2T2压脂序列扫描压脂序列扫描 T1 T2 T2 tirm第十三页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏扫描 参考参考(cnko)(cnko)序列：序列：1.T1:tse_9_db_ t1_iPAT 1.T1:tse_9_db_ t1_iPAT 2.T2:tse_17_db_t2_iPAT 2.T2:tse_17_db_t2_iPAT 3.T2 tirm:tirm_15_db_t2_iPAT 3.T2 tirm:tirm_15_db_t2_iPAT第十四页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏电影扫描前准备(zhnbi)(zhnbi)做做trufi_freqScouttrufi_freqScout序列序列 第十五页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏(xnzng)(xnzng)电影扫描前准备 1.1.呼吸屏气训练呼吸屏气训练 2.2.心电门控的链接心电门控的链接 3.3.操作流程的回顾操作流程的回顾第十六页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏电影(dinyng)(dinyng)扫描 2.2.进行短轴位心脏电影序列扫描进行短轴位心脏电影序列扫描第十七页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏电影(dinyng)(dinyng)扫描 参考序列：参考序列：cine_tf2d12_retro_iPAT cine_tf2d12_retro_iPAT第十八页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏电影(dinyng)(dinyng)扫描 3.3.进行四腔心心脏电影序列扫描进行四腔心心脏电影序列扫描第十九页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏(xnzng)(xnzng)电影扫描 参考序列：参考序列：cine_tf2d12_retro_iPAT cine_tf2d12_retro_iPAT第二十页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏电影网格扫描 4.4.进行进行(jnxng)(jnxng)短轴位网格心脏电影序列扫描短轴位网格心脏电影序列扫描第二十一页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏电影网格扫描(somio)(somio)参考序列：参考序列：cine_fl2d9_grid cine_fl2d9_grid第二十二页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏动态扫描(somio)(somio)5.5.进行短轴位及四腔心动态序列扫描进行短轴位及四腔心动态序列扫描第二十三页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏动态(dngti)(dngti)扫描 7ml 7ml磁共振造影剂（磁共振造影剂（Gd-DTPAGd-DTPA）在动态扫描开始后）在动态扫描开始后2 2秒内快速注射秒内快速注射 参考序列：参考序列：dynamic_tfl_sr_ePATdynamic_tfl_sr_ePAT第二十四页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏动态(dngti)(dngti)扫描第二十五页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏延时扫描 1.1.动态扫描结束后，将剩余的动态扫描结束后，将剩余的8ml8ml磁共振造影剂磁共振造影剂（Gd-DTPAGd-DTPA）全部注射）全部注射(zhsh)(zhsh)完毕。完毕。2.2.延时延时20min20min扫描。扫描。3.3.扫描前做扫描前做TI ScoutTI Scout。参考序列：参考序列：TI_ScoutTI_Scout第二十六页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏(xnzng)(xnzng)延时扫描 第二十七页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏(xnzng)(xnzng)延时扫描 第二十八页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏(xnzng)(xnzng)延时扫描 第二十九页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心脏延时扫描(somio)(somio)参考序列：参考序列：DE_high-res_tfl31_psir_segDE_high-res_tfl31_psir_seg第三十页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析 将所有短轴位将所有短轴位电影序列及四腔电影序列及四腔心电影序列装载心电影序列装载到到ArgusArgus软件软件(run jin)(run jin)中中进行处理进行处理 第三十一页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第三十二页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第三十三页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析 EDED：舒张：舒张(shzhng)(shzhng)末期末期 ES ES：收缩末期：收缩末期 EF EF：射血分数：射血分数 EDV EDV：舒张末期容积：舒张末期容积 ESV ESV：收缩末期容积：收缩末期容积 SV SV：每博输出量：每博输出量 CO CO：心博出量：心博出量 第三十四页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第三十五页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第三十六页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第三十七页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第三十八页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第三十九页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第四十页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第四十一页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University磁共振心功能分析(fnx)(fnx)第四十二页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow University心脏磁共振检查成功的关键 1.1.呼吸屏气训练呼吸屏气训练 2.2.心电门控的链接心电门控的链接(lin ji)(lin ji)3.3.操作流程的回顾操作流程的回顾第四十三页，共四十五页。The First Affiliated Hospital of Soochow UniversityThe First Affiliated Hospital of Soochow Universityjiahuachen_jiahuachen_第四十四页，共四十五页。内容(nirng)总结陈剑华。1992年我院在GE Vactra 0.5T上就开展(kizhn)了心脏MR检查。T1 T2 T2 tirm。1.T1:tse_9_db_ t1_iPAT。2.T2:tse_17_db_t2_iPAT。3.T2 tirm:tirm_15_db_t2_iPAT第四十五页，共四十五页。