The Bentall procedure involves replacing the aortic root and aortic valve and re-implantation of the coronary arteries. The doctor may recommend the Bentall procedure if you have the following problems with your aorta. Aortic regurgitation (severe leakage of the aortic valve with undue dilated aorta) Marfan’s syndrome (a genetic disorder that causes aortic wall weakness) Aortic dissection (detachment of the layers of the aortic wall) Aortic aneurysm (enlargement or ballooning of the aorta) Consu