Hello, this is Dr. David. I have read your question and I'm ready to help.
here is an article
Complication rates were infection in 5.5% of cases, erosion in 6.0%, urethral atrophy in 9.6%, mechanical failure in 6.0% and surgical removal or revision in 27.1%.
so there are high complication rates for patients who have artificial urinary sphincters. about 1/4 of them have to be replaced or revised.
he can get a lawyer and have his cased reviewed for medical malpractice if he wants to sue the doctor.
he might need to go to a larger academic university medical center where he can see other urologist who might have more experience in this type of sphincter revision.
prostatectomy often will cause loss of urinary control of urine
that is why I am more of a fan of radiation therapy for prostate cancer
let me know if you have questions.