This sounds so familiar! I had a knee replacement in 2013. The bone cement didn’t stick to the implant and my tibial plateau cracked on the side which further loosened the implant. They went in to do the revision and attempted repair on the tibial plateau. Within 6 months, the side of the tibial plateau disappeared and was absorbed into the blood acc:to a 2nd opinion doc. So that glue didn’t work either. Knee hurts all the time and needs a 2nd revision but I’m holding off as long as I can. Walking is tough, pain is 8/10 days plus I keep falling from the leg dragging. I’m so sorry you’re having similar issues. Get a 2nd & 3rd opinion!