Background Current guidelines recommend transcatheter aortic valve implantation (TAVI) for patients with aortic stenosis and porcelain aorta (PA). Neurological outcomes of patients with PA undergoing TAVI with modern valves require clarification as most trials examined balloon-expandable valves (BEV) and self-expandable valves in intermediate or high-risk patients. but not specificall... https://www.roneverhart.com/Medline-Cooley-Intracardiac-Needle-Holders-6-75-17-1-cm-Straight-Cooley-Intracardiac-Needle-Holder-with-Smooth-Tungst/