Abstract #2407
Knowledge-Based Automatic Slice-Alignment Method in Cardiac Magnetic Resonance Imaging for Aortic Valve Evaluation: Comparison with Inter-observer Error
Rieko Ishimura 1 , Kenichi Yokoyama 1 , Toshiya Kariyasu 1 , Tatsuya Yoshioka 2 , Isao Miyazaki 2 , Shuhei Nitta 3 , Taichirou Shiodera 3 , Tomoyuki Takeguti 3 , Shigehide Kuhara 4 , Kuninori Kobayashi 5 , and Toshiaki Nitatori 1
1
Department of Radiology, Kyorin University
School of Medicine, Mitaka-shi, Tokyo, Japan,
2
Department
of Radiology, Kyorin University Hospital, Mitaka-shi,
Tokyo, Japan,
3
Toshiba Corporation R&D Center,
Tokyo, Japan,
4
Toshiba
Medical Systems Corporation, Tochigi, Japan,
5
Department
of Medical Radiological Technology, Faculty of Health
Science, Kyorin University, Hachiouji-shi, Tokyo, Japan
Cardiac magnetic resonance imaging is also very useful
for functional evaluation of the cardiac valves such as
the aortic valve and pulmonary valve because it can be
used to examine the valve openings and their shapes and
to calculate flow rates based on the flow curves
obtained using the phase contrast method. We
investigated the usefulness of the automatic slice
alignment in detecting the aortic valve planes. The
knowledge-based automatic slice-alignment method
described here permits the aortic valve reference
planes, which are difficult to determine using the
conventional method, to be detected quickly and easily.
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