Here some great information

This was just on NFL network. It is probably the best concise clear picture I have heard on Peyton's injury. It also is from a "real" expert on the subject. This doctor does 150 fusion surgeries a year. He clears up a lot of the misconceptions many in the media have been perpetuating. He makes the same claim I found in the study quoted in my previous post. This surgery has a good recovery rate.

Peyton's Injury Explained