Chennai, Oct 29 (UNI) The Kauvery Hospital, Alwarpet in Chennai, has successfully treated severe aortic valve leakage, known as Pure Native Aortic Regurgitation (PNAR), in a 63-year-old man with a transcatheter aortic valve replacement (TAVR) procedure using the specialised Hanchor valve. This marks the first of its kind procedure in a patient with a perforated native aortic valve leaflet and a history of mitral valve replacement. This is the first of its kind procedure where the Hanchor valve has been used for TAVR in a patient presenting with this combination of clinical factors. The aortic valve regulates blood flow from…