Question

what is meant by dialysis ? what type of patients are put into dialysis?

Answer 1

dialysis is a medical process in which metabolic waste is removed from the body of whose both the kidneys are damaged

Answer 2

Dialysis is a treatment that does some of the things done by healthy kidneys. It is needed when your own kidneys can no longer take care of your body's needs.
You need dialysis when you develop end stage kidney failure --usually by the time you lose about 85 to 90 percent of your kidney function and have a GFR of <15.