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Complications
By Mayo Clinic staffThe sooner the cause of your acute kidney failure is resolved, the more likely you'll be to recover your kidney function.
Occasionally, acute kidney failure causes permanent loss of kidney function, or end-stage renal disease. People with end-stage renal disease require either permanent dialysis — a mechanical filtration system for removing toxins and waste from your body — or a kidney transplant to survive.
Acute kidney failure may be fatal. Death rates are highest when the kidneys fail after surgery or trauma or in the context of severe, chronic medical problems.
Other factors that can adversely affect the outcome of acute kidney failure include multiorgan failure, multiple blood transfusions, a recent history of stroke or heart attack, or a postoperative stroke, advanced age, infection, gastrointestinal bleeding and pre-existing malnutrition.
