3-D in angiography, new imaging software from Siemens

eHealth Bureau Siemens has launched a new image processing software, which helps cardiologists and cardiac surgeons prepare and perform Transcatheter Aortic Valve Implantations (TAVI), Syngo Aortic ValveGuide that automatically reconstructs a 3D representation of the aortic root from CT-like cross-sectional images acquired with the angiography system. The software selects anatomical landmarks as the coronary ostia, for instance, and overlays the 3D image with two-dimensional images acquired during live fluoroscopy. That way, the physician obtains real-time, three-dimensional guidance in the patient’s body while navigating the new valve to its intended location. During the minimally invasive TAVI intervention, an artificial aortic valve is inserted via the femoral artery or through the apex of the heart. With the aid of anatomical landmarks in the 3D representation of the vessel, Syngo Aortic ValveGuide calculates the exact perpendicular view on the aortic root. The C-arm adjusts to the corresponding angulations for live fluoroscopy. That way, it provides the proper perspective that the physician requires to exactly position the new valve. Consequently, as soon as the software overlays the 3D image of the aorta with the two-dimensional live fluoroscopy, the cardiologist in the cath lab or, respectively, the heart surgeon in the hybrid room, can start the intervention. Since Syngo Aortic ValveGuide only requires a short fluoroscopy time prior to the procedure, the patient’s exposure to radiation and contrast agent can be reduced considerably.The Heart Center in Leipzig, one of the leading facilities in Germany to perform TAVI-procedures, had previously performed several of these interventions with the Syngo DynaCT Cardiac from Siemens.  “With Syngo Aortic ValveGuide, we can now find the optimal angulation with a perpendicular view on the aortic root easier and faster than before, because the software automates so many work steps,” said Dr J

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