Vietnamese cardiologists successfully perform valve-in-valve replaceme… stockbot 0 35 2023.10.19 19:13 https://vietnamnews.vn/society/1595423/vietnamese-cardiologists-succes… + 4 https://vietnamnews.vn/rss/society.rss + 0 This is the first surgery of its kind in Việt Nam, and the success of the operation further affirmed Vietnamese doctors’ mastery of many advanced cardiovascular techniques, said the Việt Nam National Heart Institute (VNHI).