Since I might be a candidate for this, I had searched the various sites & did not find a negative reference for bicuspid. I'm bicuspid with mod-regurg - at the moment, my cardiologist thinks I may be a good candidate for this at age 47 & in good shape (valve notwithstanding). Upcoming appointment with Dr Tirone David will confirm that but below are the indications & contra-indications from the Ross Registry - also cross referenced this with info supplied by a Ross patient here with information from John Hopkins.
http://www.valvereplacement.com/forums/showthread.php?t=20173&highlight=ross+procedure
http://www.rossregistry.net/procedure/candidate.htm
Indications for Aortic Valve Replacement with the Pulmonary Autograft
•Patient (male or female between 11 and 50 years of age)
•Isolated aortic valve pathology (male or female)
•Endocarditis limited to the aortic root
•Athlete or young in whom anticoagulation is contraindicated and optimal hemodynamics is desirable.
Contraindications for Aortic Valve Replacement with the Pulmonary Autograft
•Advanced three vessel coronary artery disease
•Extremes of age (< 3 years or >70)
•Extensive multi valve pathology necessitating replacement of one or more valves
•Connective tissue disorders such as Marfan Syndrome
•Multisystem organ failure (pulmonary, renal, hepatic, etc.)
Maybe there are studies out there suggesting otherwise but I have not seen them yet.