Hi greg8044,

I think that first of all you need to calm down. It is true that due to the displaced fracture of your patella and the unperfect healing it is likely that you have a more probabilities to develop arthritis at your knee. However you need to consider that athritis develops also in people with no fracture of the patella. Arthritis process is not still totally kwown. It is thought to be multifactorial. Since surgery does not apper to help you prevent the onset of arhtritis, I would work on factors such as body weight, muscle stregth programs, posture and biomechanics. Yes, avoiding excessive stairs may help but I do not believe a "normal" usage of them is a key factor for arhtritis.