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Dialysis is a process that removes waste products and excess fluid that accumulate in the blood as a result of failure of the kidneys to function.
Dialysis is not a cure for kidney failure. It only substitutes for some functions of the kidneys like removing some waste products and excess water from the body. When the kidneys have ceased functioning permanently they will not resume function no matter how many dialysis treatments are given. The patient with permanently damaged kidneys (ESRD) will therefore need dialysis treatment for the rest of his life unless he has a successful kidney transplant. A patient with temporarily damaged kidneys (ARF) will be able to discontinue dialysis once his kidneys recover. |