Unicuspid aortic valves are no bicuspid aortic valves -- It's time to
retire the Sievers-classification
A general misconception that unicuspid aortic valves (UAV) are just a
subtype of bicuspid aortic valves (BAV) has now been perpetuated in the
medical and surgical community for nearly two
decades(#ref-0001), and there is no end in sight.