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MRI methods for improved visualization and reduced heating of off-the-shelf nitinol devices during MRI-guided cardiovascular interventions: Dr. Adrienne Campbell-Washburn

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Minimally invasive X-Ray guided interventional procedures have reduced the need for open-chest surgery. Moving to MRI guidance during cardiovascular interventions is appealing to reduce ionizing radiation exposure in children with heart disease and to enable new minimally invasive procedures. MRI-guidance is technically demanding, requiring high frame-rate real-time interactive imaging and MRI-guided interventions have been on the cusp of clinical translation for over a decade. In this talk, I will provide an overview of ongoing efforts to bring MRI guided interventions to clinical practice. I will focus on my work developing MRI methods for improved visualization of standard commercially available devices. These MRI methods use simultaneously generated positive contrast device images and anatomical images to produce a color overlay of the device onto the anatomy for procedural guidance. In addition, I will talk about reduced device heating using spiral MRI for procedural guidance with real-time distortion corrections from the gradient system impulse response function. An MRI platform permitting the safe and effective use of off-the-shelf devices for MR-guided interventions has the potential to expedite clinical translation.



May 19, 2014
1:00 pm - 2:00 pm


Roberts Room 106, Roberts Building, UCL
Torrington Place, London, WC1E 7JE United Kingdom
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