I would consult a few specialists. That is such a significant surgery at such a young age, I would want to speak with several doctors before committing to that. Begin with some universities to see if they have any promising new developments.
As wannabenana suggested, the Ortho forum is a good start.
You might be better off posting this in the "Ask A Doctor" Orthopaedic Forum.
www.medhelp.org/forums/show/317