valvotomy造句

Badheka et al ., in the US, in 2014, studied 2127 patients who had had percutaneous aortic balloon valvotomy.
Superb results with valvotomy are seen in individuals with a crisp opening snap, score < 8, and no calcium in the commissures.
Despite this, he successfully anaesthetised a patient undergoing a mitral valvotomy for Dr Christiaan Neethling Barnard, the first surgeon to perform a heart transplant, who was on a charity visit.
It's difficult to find valvotomy in a sentence. 用valvotomy造句挺难的