[annapurna]

Also, fusion of L5S1 can drive more stress into your SI joints, something that the medical community doesn't really have a good solution for if they were to go bad.

On the other hand, putting an ADR in when what you really needed, because of extensive damage or other problems, was a fusion is a really good way to guarantee a miserable life post-op. I saw your other post; you've picked good surgeons to investigate. All of them have, in the past, recommended against ADR for those patients who couldn't use it for whatever reason. I'd suggest that you contact them and discuss your situation. Likely, you'll get different opinions between those three and between all of them and your local surgeons. Sorting out who to trust is often difficult and confusing but you may get lucky and have the recommendations end up being similar.