Single center study has shown (Michael McNally et al., “Three Dimensional Fusion CT Decreases Radiation Exposure, Procedure Time and Contrast Use during Fenestrated Endovascular Aortic Repair,” Journal of Vascular Surgery 61, no. 2 (2014): 309–16, http://doi.org/10.1016/j.jvs.2014.07.097.):
Fusion imaging provides continuous 3D guidance throughout the whole procedure. This approach helps to decrease procedure time by up to 30%.