I have not had surgery yet, but I bet Egoscue can help reverse your Kyphosis. (Presuming it is not the result of a congential condition). My probationer, Angi, works wonders. I used to have some kyphosis of my T-Spine, but I'm back to normal (at least there). I would imagine it is easy to do when you have all that pain, you slump, you slouch, etc., eventually its been there so long you are just kind of stuck like that. But Angi can help you out.
Two drawbacks: It is expensive, and before you get better, you will get worse. Unfortunately, the only way out it is through, but I don't regret it at all. The worst day was was one of the worst days of my life, but I would do it again in a heartbeat. In fact, I'm off for my nightly exercises now!
