Interstitial Cystitis (IC) Support Group
Interstitial Cystitis (IC) is a urinary bladder disease of unknown cause characterised by pelvic and intense bladder pain, urinary frequency (as often as every 10 minutes), and pain with urination. It is not unusual for patients to experience nocturia and pain with sexual intercourse. IC is also known as painful bladder syndrome (PBS), particularly outside of the USA.

I did have surgery done recently and I was very worried about the catheter. But they did a great job and I had no problems or pain.
As long as you have good doctors and good nursing care you will be fine.