After putting off knee surgery for many years, I realized that I couldn't wait any longer and it had to be done on both knees. The pain was that bad. I did my homework and research and chose Dr. Alejandro Gonzalez Della Valle. I could not have made a better choice! He put all of my fears about the process at ease and assured me that pain would be at a minimum - and it was. I have recently went to Italy and Greece and completed 160,000 steps! Thanks Dr. Della Valle!