Hi, I had a disc replacement about 7 years ago, here in Australia, before a lot of the medical profession were even very familiar with this surgery.
I've been very happy with the results. Looking back, I'd say it was a good 18 months to 2 years before I could actually totally forget I'd ever had the surgery. But I'd had back problems off and on for years prior to surgery and could barely walk by the time it was done, so there was probably a fair bit of nerve damage to heal.
However as far as the surgery went, by the time I walked out of the hospital after a week, I was only taking panadol. I react to a lot of drugs, so I'd rather the pain than the drug reaction, so probably anyone who can take morphine/codeine drugs would have even less pain than I did.
REcovery for me was a 2/3 steps forward, 1 step back process. I went ahead wonderfully for 5 months, then had a setback after a car trip, when I thought my whole surgery had come "undone" somehow. Same old spasms and sciatic pain. I really dropped my bundle, and went back to the surgeon. He said, I've been expecting this actually because you've been almost too good to be true. Setbacks are very normal on the road to recovery.
I'm having similar problems with my neck now, and am booked to see the same surgeon in 5 weeks. If he wants to do disc replacement in my neck, I wouldn't hesitate to have it done. My husband had a laminectomy on his lurabar spine some years before mine, and he didn't have the disc replacement...because it just wasn't around then. His recovery and pain was a lot lot worse than mine.
I'm still careful of my back, sure, but only to the point that I ask for help to lift heavy loaRAB, and don't go skiing anymore. (but at 52, that's not such a sacrifice LOL). But we go boating, travelling, hiking, gardening, and I was doing water aerobics and yoga for years, until my neck started giving me trouble.
So I can glady tell you that my disc is one of the best things that could have helped me.. and sadly, it doesn't go off when I go through airport security LOL.
Anything else you want to know about it, I'll gladly tell you.
All the best.
Lily