Heart valve diseases – An insight into latest treatment options for aortic valve replacement Heart valve diseases – An insight into latest treatment options for aortic valve replacement The last few years have seen a cutting edge technology called Transcatheter Aortic Valve Replacement (TAVR), which is a less invasive and more sophisticated alternative for replacing the aortic valve. advertisement Note: This article was created with valuable inputs from Dr Yugal Mishra, Chief of Clinical Services, Head of Cardiac Sciences and Chief Cardiovascular Surgeon, Manipal Hospital, Delhi. The heart has four chambers and cardiac valves: aortic, mitral, pulmonic, and tricuspid. Each valve can become diseased through several different ways (i.e., infection, degeneration, ischemia, congenital).