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Interventional CVMRI at Sunnybrook
Graham WrightGraham WrightSunnybrook Research Institute / University of Sunnybrook Research Institute / University of
TorontoToronto
University of Toronto
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Interventional Cardiovascular MRI at Sunnybrook
•Technical Development / Systems Integration• Imaging / Processing for Tissue Characterization• Realtime acquisition, Display, Control• Visualization / Interface Tools• Interventional Devices
•Preclinical (Pig) Studies• Ventricular Arrhythmias – Mapping and Ablation• Peripheral Chronic Total Occlusions – Characterization and
Revascularization
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Oduneye S et al., IEEE Trans Biomed Eng. Sept 2013
lINFARCT / GRAYZONE / MYOCARDIUM
Systems Integration for ElectrophysiologyGE MR Scanner Imricor catheters
Automated segmentationVoltage mapping overlays fused in Vurtigo
Catheter tracking with RTHawk (HeartVista)and Vurtigo visualization (Sunnybrook)
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orthogonal-solenoidcoil for guidewire visualization
1.Track catheter tip2.Image in front of catheter3.Visualize conventional guidewire (Baylis)
An Integrated MR Catheter System for CTO
Anderson K et al., MRM Aug 2008; Proc ISMRM 2013
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Future Directions
• Technology Commercialization• Analysis / Visualization Software• Catheters and Device Tracking Tools• Communication Systems
• Patient Studies• Arrhythmia Mapping and Ablation• Peripheral CTO Revascularization