公开(公告)号：US20120232378A1

公开(公告)日：2012-09-13

申请号：US13509273

申请日：2010-11-10

申请人： Daniel Messroghli

发明人： Daniel Messroghli

IPC分类号： A61B5/055

CPC分类号： G01R33/50 ,  A61B5/055 ,  G01R33/4818 ,  G01R33/4824 ,  G01R33/5602 ,  G01R33/5614 ,  G01R33/5619 ,  G01R33/56308 ,  G01R33/56325 ,  G01R33/5673

摘要： The present invention is directed to a method for use in conducting cardiac MR imaging which allows for reconstruction of T1 maps, cine images and IR-prepared images from one raw data set, wherein the method comprises the following steps: a) acquisition of raw data by use of an ECG-triggered, segmented, inversion recovery (IR)-prepared Look-Locker type pulse sequence for data acquisition, wherein the pulse sequence encompasses more than one shot, wherein each shot comprises: i) an ECG-triggered inversion pulse; ii) SSFP cine data acquisition of radial segmented profiles over more than one RR-interval for a predefined acquisition duration AD; and iii) a relaxation duration RD, during which no data is acquired; b) retrospective gating of raw data by sorting acquired raw data for each RR-interval into a pre-determined number of heart phases by definition of specific time windows within the RR-intervals and sampling of raw data acquired during the time windows respectively; c) image reconstruction, wherein the retrospectively gated raw data is used for reconstruction of T1 maps, cine images and/or IR-prepared images.

摘要翻译： 本发明涉及一种用于进行心脏MR成像的方法，其允许从一个原始数据集重建T1图，电影图像和IR准备的图像，其中该方法包括以下步骤：a）获取原始数据 通过使用用于数据采集的ECG触发的分段反转恢复（IR）准备型看门锁型脉冲序列，其中所述脉冲序列包含多于一个镜头，其中每个镜头包括：i）ECG触发反转脉冲 ; ii）对于预定义的采集持续时间AD，在多于一个RR间隔上的径向分段轮廓的SSFP电影数据采集; 以及iii）松弛持续时间RD，在此期间不获取数据; b）通过定义RR间隔内的特定时间窗口并分别在时间窗口期间获取的原始数据的采样，将每个RR间隔的获取的原始数据分类为预定数量的心脏阶段，回溯性地选取原始数据; c）图像重建，其中追溯门控的原始数据用于重建T1地图，电影图像和/或IR准备的图像。

公开(公告)号：US09008753B2

公开(公告)日：2015-04-14

申请号：US13509273

申请日：2010-11-10

申请人： Daniel Messroghli

发明人： Daniel Messroghli

IPC分类号： A61B5/055 ,  G01R33/50 ,  G01R33/56 ,  G01R33/561 ,  G01R33/563 ,  G01R33/48 ,  G01R33/567

CPC分类号： G01R33/50 ,  A61B5/055 ,  G01R33/4818 ,  G01R33/4824 ,  G01R33/5602 ,  G01R33/5614 ,  G01R33/5619 ,  G01R33/56308 ,  G01R33/56325 ,  G01R33/5673

摘要： The present invention is directed to a method for use in conducting cardiac MR imaging which allows for reconstruction of T1 maps, cine images and IR-prepared images from one raw data set, wherein the method comprises the following steps: a) acquisition of raw data by use of an ECG-triggered, segmented, inversion recovery (IR) -prepared Look-Locker type pulse sequence for data acquisition, wherein the pulse sequence encompasses more than one shot, wherein each shot comprises: i) an ECG-triggered inversion pulse; ii) SSFP cine data acquisition of radial segmented profiles over more than one RR-interval for a predefined acquisition duration AD; and iii) a relaxation duration RD, during which no data is acquired; b) retrospective gating of raw data by sorting acquired raw data for each RR-interval into a pre-determined number of heart phases by definition of specific time windows within the RR-intervals and sampling of raw data acquired during the time windows respectively; c) image reconstruction, wherein the retrospectively gated raw data is used for reconstruction of T1 maps, cine images and/or IR-prepared images.

摘要翻译： 本发明涉及一种用于进行心脏MR成像的方法，其允许从一个原始数据集重建T1图，电影图像和IR准备的图像，其中该方法包括以下步骤：a）获取原始数据 通过使用用于数据采集的ECG触发的分段反转恢复（IR）准备型看门锁型脉冲序列，其中所述脉冲序列包含多于一个镜头，其中每个镜头包括：i）ECG触发反转脉冲 ; ii）对于预定义的采集持续时间AD，在多于一个RR间隔上的径向分段轮廓的SSFP电影数据采集; 以及iii）松弛持续时间RD，在此期间不获取数据; b）通过定义RR间隔内的特定时间窗口并分别在时间窗口期间获取的原始数据的采样，将每个RR间隔的获取的原始数据分类为预定数量的心脏阶段，回顾性地选择原始数据; c）图像重建，其中追溯门控的原始数据用于重建T1地图，电影图像和/或IR准备的图像。