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Updated: Jun 11, 2025

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
Published on: June 3, 2018
Transcatheter Aortic Valve Implantation Using the Evolut FX+ Platform With Optimal Diamond-Coronary Alignment
Joe Aoun1, Chloe Kharsa1, Michael Reardon2
1Department of Cardiology, Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas, USA.
Abstract:
We present one of the inaugural transcatheter aortic valve implantation procedures using the latest Medtronic platform, Evolut FX+. Successful coronary angiography was achieved within 28 seconds and 1 minute 49 seconds for the left and right coronary arteries, respectively. Postoperative cardiac computed tomography scan demonstrated optimal commissural and diamond-coronary alignment.
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Heart Valves
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...