In men, repair is typically recommended for an abdominal aortic aneurysm that is 5.5 cm or larger in diameter. In women, repair may be recommended for smaller aneurysms. Your doctor will work with you to decide which type of repair surgery, open or endovascular, is right for you. Your doctor will check: 1  The shape and location of your aneurysm.  Your age and overall health, to make sure that you are healthy enough for a surgery.