44+ How To Retrain Your Bladder After Surgery US . After open surgery, you'll usually have to stay in hospital for 3 to 5 days, and your recovery time will be longer. However, even after a couple of weeks i still have to go every hour. Physiotherapy for Sports and Dance injuries, Neck & Back ... from tatamihealth.co.uk The good news is that bladder training can help. After having it out and back in 3 times in the past 2 weeks i had enough so when it was taken out this past friday and the same result i refused to have it i do not want it back so my question is, what can i do to strengthen or retrain my bladder and the muscles down there to make it start pushing out more. The inability to urinate after surgery can be a serious complication. After open surgery, you'll usually have to stay in hospital for 3 to 5 days, and your recovery time will be longer. How does the bladder...