Schaefer et al classified bicuspid aortic valves by the valves involved. The authors are from University of Washington in Seattle.
Patients with congenital bicuspid aortic valve have fusion of 2 of the 3 aortic valve cusps.
|
Cusp #1
|
Cusp #2
|
Type
|
Alternative Term
|
|
right coronary
|
left coronary
|
1
|
anterior-posterior
|
|
right coronary
|
non-coronary
|
2
|
right left
|
|
left coronary
|
non-coronary
|
3
|
|
The resulting stenosis is considered moderate to severe if the aortic jet velocity is > 300 cm/s.
