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Accurate visualization and targeting of specific anatomic locations are key components for successful treatment in catheter based cardiac ablation therapy. In order to augment visualization tools such as bi-plane fluoroscopy and real-time ultrasound, recent work has focussed on registering detailed, patient-specific models into the procedure. Surface based techniques are a popular approach, however,...
We have developed a theoretical model to predict the outcome (i.e. failure/success) of radio-frequency ablation (RFA) therapy via computer calculations of the propagation of action potential in the presence of a ventricular reentry circuit. Our results show that the anatomy (i.e. infarct scar sizes) and the electrical conductivity of the channel between the scars (named isthmus) are critical to inducibility...
Wire-length resonant coils, which are based on equating a wavelength of RF with the wire length used in winding a coil, were previously developed for use in hyperthermia treatment for cancer therapy. Design modifications, coupled with a series of experiments, established their potential use for rapidly and uniformly rewarming canines following hypothermic cardiac surgery. The authors detail a new...
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