developing a cardiac gating system for magnetic resonance imaging of a mouse chaiyapoj netsiri rice...
TRANSCRIPT
![Page 1: Developing a Cardiac Gating System for Magnetic Resonance Imaging of a mouse Chaiyapoj Netsiri Rice University, Houston, TX Khokiat Kengskool Florida International](https://reader036.vdocuments.net/reader036/viewer/2022070400/56649f135503460f94c2769d/html5/thumbnails/1.jpg)
Developing a Cardiac Gating System for Magnetic Resonance Imaging of a mouse
Chaiyapoj NetsiriRice University, Houston, TX
Khokiat KengskoolFlorida International University, Miami, FL
![Page 2: Developing a Cardiac Gating System for Magnetic Resonance Imaging of a mouse Chaiyapoj Netsiri Rice University, Houston, TX Khokiat Kengskool Florida International](https://reader036.vdocuments.net/reader036/viewer/2022070400/56649f135503460f94c2769d/html5/thumbnails/2.jpg)
Agenda
• Background
• Gating System
• Hardware
• Conclusion
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Background
Animal MRI scanner Imaging probe
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~250mm
Heart rate: 325-780 beat/minuteRespiratory rate: 94-163 breath/minute
Mouse’s organ imagingMouse’s organ imaging
Mouse
Kidney Liver
Problem: fast movement
~100 times averaging
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Gating system
ECG cableRespiratorysensor
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Results
Liver
Kidney
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Conclusion
• Water-filled balloon and pressure sensor can be used in
• respiratory gating.
• Electronic system is inexpensive and easy to build.
• Double shield system can effectively protect ECG signal from
MRI scanning noise.
• Gating system provides significant improvement of image quality.