A loose patella button, that is very interesting. That probably doesn’t show on an X-ray.
I had a Patellofemoral partial 2.5 years ago that has never felt right. I have more limitations and discomfort now than before my surgery. I’ve had 2 second opinions in other states, and they say my X-ray looks fine, nothing to fix, we’re sorry you have discomfort. Period.
I’m not in a lot of actual pain and I do continue to see healing improvements even at this late date, but I would definitely not call my partial a success.
I have symptoms of a loose implant, but as I said, my main implant is supposedly right where it should be. But your case makes me wonder about the plastic button I know I have.
I also had a lateral release done and I continue to have most of my discomfort on the lower lateral side of my knee. I question how well mine was done.
I surely hope this revision is the answer for you, you’ve been through so much. Thanks for coming back with an update.