Medical trials are investigation studies that contain tests new treatments or drugs in individuals to view When they are Safe and sound and helpful. The aortic valve stays in place. In aortic valve and aortic root substitute (bottom-appropriate image), the aortic valve plus a Component of the aorta are eliminated. https://www.sgvascularctr.com/a-comprehensive-guide-to-aortic-aneurysm-in-singapore/