Double valve replacement (DVR) is an open surgery performed to treat the mitral and aortic valves. A surgeon replaces or fixes the damaged valves. This heart disease may occur when one or more of the four valves of the heart do not function properly. So, in case the valves of the heart are damaged severely beyond repair. Then, heart valve replacement surgery may be performed. https://healthcheckbox.com/cardiology/double-valve-replacement/