Dialysis

Dialysis is a treatment that cleans your blood when your kidneys don't work. It gets rid of harmful wastes and extra salt and fluids that build up in your body. It also helps control blood pressure and helps your body keep the right amount of fluids. Dialysis treatments help you feel better and live longer, but they are not a cure for permanent kidney failure (See hemodialysis and peritoneal dialysis.).

Source: Medicare.gov