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Image-guided Interventions -- From Brain to Heart

Dr. Terry Peters BE (Hons), PhD, FCCPM, FAAPM, FIEEE, FACPSEM, FMICCAI, F Inst P, C Phys, Robarts Research Institute, Western University

Image-guided Interventions -- From Brain to Heart

Dr. Terry Peters

What
  • CREATE-MIA Event
  • Seminar
When Apr 15, 2013
from 02:30 PM to 03:30 PM
Where McConnell Engineering MC437
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Speaker: Dr. Terry Peters BE (Hons), PhD, FCCPM, FAAPM, FIEEE, FACPSEM, FMICCAI, F Inst P, C Phys, Robarts Research Institute, Western University

Abstract:

Robarts’ Image-guided intervention laboratory at Western seeks to develop methods that assist surgeons to access surgical targets, while subjecting the patient to minimal   trauma. Projects within the lab range from image-guided Neurosurgery, Spinal interventions, Abdominal and Thoracic procedures, and repair inside the beating heart. The underlying technology supporting all of these procedures comprises image registration, image segmentation,   instrument tracking and visualization.

This talk will describe projects related to epilepsy and cardiac surgery.

In epilepsy, one of the major limitations is the inability of imaging to currently precisely identify specific foci or pathways whose ablation or resection could   alleviate symptoms. To address this problem, we are exploiting  our ability to perform quantitative imaging sequences at multiple field strengths, and to register these images with post-operative histology of resected tissue, to attempt to create the linkage between signatures from specific pulse sequences and histological appearances. The ultimate goal of this work is more precisely identify specific surgical targets on imaging to facilitate a truly minimally-invasive approach to the treatment of epilepsy.

For cardiac surgery, we are addressing a common problem of mitral valve regurgitation, caused by a leaflet in the mitral valve apparatus that has lost its connection to the papillary muscles through ruptured cordae tendenae. Our approach to this problem is to provide an augmented reality environment to assist the surgeon to access the damaged valve via a repair instrument introduced into the beating heart.  We have demonstrated that the use of such image guidance can dramatically increase the speed and safety of the procedure, compared to the current standard of care.

Biography:

Dr. Terry Peters is a Scientist in the Imaging Research Laboratories at the Robarts Research Institute (RRI),  London, ON, Canada, and Professor in the Departments of Medical Imaging and Medical Biophysics at Western University Ontario, Canada, as well as a member of the Graduate Programs in Neurosciences and Biomedical Engineering. He is also an adjunct Professor at McGill University in Montreal. Dr. Peters received his graduate training at the University of Canterbury in New Zealand in Electrical Engineering, under the direction of Professor Richard Bates. His PhD work dealt with fundamental issues in Computed Tomography image reconstruction, and resulted in a seminal paper on the topic in 1971, just prior to the beginning of CT’s commercial development and worldwide application. For the past 30 years, his research has built on this foundation, focusing on the application of computational hardware and software advances to medical imaging modalities in surgery and therapy. Starting in 1978 at the Montreal Neurological Institute (MNI), Dr. Peters’ lab pioneered many of the image-guidance techniques and applications for image-guided neurosurgery.   In 1997, Dr. Peters was recruited by the Robarts Research Institute at the University of Western Ontario, London Canada, to establish a focus of image-guided surgery and therapy within the Robarts Imaging Research Laboratories.  His lab has expanded over the past thirteen years to encompass image-guided procedures of the heart, brain and abdomen.

Dr. Peters has authored over 200 peer-reviewed papers and book chapters, a similar number of abstracts, and has delivered over 180 invited presentations.  He is a Fellow of the Institute of Electrical and Electronics Engineers, the Canadian College of Physicists in Medicine; the American Association of Physicists in Medicine, the Australasian College of Physical Scientists and Engineers in Medicine, the MICCAI Society, and the Institute of Physics. He has been an executive member of the board of the MICCAI society, as well as its treasurer. He has mentored over 80 trainees at the Masters, Doctoral and Postdoctoral levels. He received the Dean’s Award for Research Excellence at Western University in 2011, and the Hellmuth Prize for Achievement in Research from Western in 2012.

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Funded by NSERC

Funding provided by NSERC