Complex sentence: The use of both echocardiography and fluoroscopy is necessary to perform the implantation of MitraClip, however this requires the surgeon to mentally fuse the images from these two separate methods.
Split into simpler sentences: The use of both echocardiography and fluoroscopy is necessary to perform the implantation of MitraClip. However, this requires the surgeon to mentally fuse the images from these two separate methods.