And I still won't. ;0)
The best advice I could give you is talk to an orthopedic physician as well as your neuro-guy. I don't know how they do things everywhere, but up here people go see one or the other. I went ortho and didn't regret it. YMMV and likely will. I had to have the surgery - I couldn't sit in a car long enough to get to work and certainly not more than 1 to 2 minutes at a desk in front of a computer. I'm sorry I can't be more help, but this really is an individual decision. FWIW, I've been told that they are beginning to experiment with the artificial disks in the lumbar that they've been using for a while in the C-spine area (haven't looked it up but if that's true, I might go back under for that - most of my lumbar disks are obliterated).
In any case, yoga actually does help - especially the Upward Dog position. I do that whenever I feel my back starting to tighten up and it really does help.