Measurement of aortic valve regurgitation after valve-sparing root replacement - a quantitative and intraoperative method

<b>Introduction </b>Aortic valve regurgitation (AR) is a common type of aortic valve disease that affects the surrounding tissues of the heart. Surgery may be required in patients with acute or chronic AR, aortic root disease or ascending aortic dissection. A viable alternative to traditional aortic valve replacement that offers encouraging...