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Abstract #1483

Robust 3D SPACE imaging freely stopped by patient motion

Guobin Li 1 , Maxim Zaitsev 1 , Martin Bchert 1 , Esther Meyer 2 , Dominik Paul 2 , Jan Korvink 3,4 , and Jrgen Hennig 1

1 University Medical Center Freiburg, Freiburg, Baden-Wrttemberg, Germany, 2 Siemens Healthcare, Germany, 3 Department of Microsystems Engineering IMTEK, University of Freiburg, Baden-Wrttemberg, Germany, 4 Freiburg Institute of Advanced Studies (FRIAS), University of Freiburg, Baden-Wrttemberg, Germany

3D turbo spin echo sequences (e.g. SPACE) suffer from long acquisition times and are therefore prone to motion artifacts. Two features are introduced into SPACE imaging: a) integrated motion detection, which judges whether a patients movement is tolerable or not, and stops the acquisition immediately when unacceptable motion is detected; b) a dedicated sampling strategy, which optimizes the image quality in cases that an acquisition is interrupted. Comprehensive in vivo experiments have been conducted to evaluate the performance of the method.

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