Perry Radau1, Andriy Smatukha2, Peter Jones1, Regis Vaillant3, Alexander J. Dick4, Graham A. Wright1
1Imaging Research, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; 2Applied Science Laboratory, General Electric Healthcare, Toronto, ON, Canada; 3Applied Science Laboratory, General Electric Healthcare, Buc, France; 4Cardiology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
Combined X-ray and MRI (XMR) guidance of interventions has been shown to offer considerable benefits by providing soft-tissue and functional information and real-time visualization of devices. This study presents and validates a software solution, FluoroFusion, which does not require hardware calibrations, optical tracking, or external markers. Phantom images were successfully fused with 3D error of 1.7 0.7 mm and range 0.1-3.7 mm, from 14 trials utilizing two X-ray views each. In a study with patient data the accuracy was similar based on qualitative visual assessment. Its use requires minimal workflow adjustment or operator time. Images from any stand-alone MRI and X-ray systems could be used with Fluorofusion.
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