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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