I too had this surgery way back in 97. I had 2 on each foot and had both feet done at once to get it over with. My doc did 1 set of injections and saw how painful mine were and decided to do the surgery. I don't know whether it was because I had both done at once, but I was admitted for one night in the hospital which was good because that first night was painful. My doc made sure to cut mine back far enough and I have had no problems at all.
I was a fitness professional when I had mine done and I was very active. I was off my feet for a week and then back to work with no problems. And yes it was great to wear heels again. I had mine for 5 years and I hated not being able to wear heels!!
I hope it goes well and you are in heels in no time!