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Chronic Renal Failure
Alternate Names : Chronic Kidney Failure, Chronic Renal Insufficiency, CRF, Kidney Failure - Chronic, Renal Failure - Chronic
DefinitionChronic renal failure is a gradual and progressive loss of the ability of the kidneys to excrete wastes, concentrate urine, and conserve electrolytes.
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Overview, Causes, & Risk Factors
Unlike acute renal failure with its sudden reversible failure of kidney function, chronic renal failure is slowly progressive. It most often results from any disease that causes gradual loss of kidney function. It can range from mild dysfunction to severe kidney failure. Progression may continue to end-stage renal disease (ESRD).
Chronic renal failure usually occurs over a number of years as the internal structures of the kidney are slowly damaged. In the early stages, there may be no symptoms. In fact, progression may be so gradual that symptoms do not occur until kidney function is less than one-tenth of normal.
Chronic renal failure and ESRD affect more than 2 out of 1,000 people in the United States. Diabetes and hypertension are the two commonest causes and account for approximately two thirds of the cases of chronic renal failure and ESRD. Other major causes include the following:
Chronic renal failure results in the accumulation of fluid and waste products in the body, causing azotemia and uremia. Azotemia is the buildup of nitrogen waste products in the blood. It may occur without symptoms. Uremia is the state of ill health resulting from renal failure. Most body systems are affected by chronic renal failure. Fluid retention and uremia can cause many complications.
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Definition Chronic Renal Failure Overview, Causes, & Risk Factors Chronic Renal Failure Symptoms & Signs Chronic Renal Failure Prevention Chronic Renal Failure Diagnosis & Tests Chronic Renal Failure Treatment Chronic Renal Failure Prognosis Chronic Renal Failure Complications Chronic Renal Failure Support Groups Calling Your Health Care Provider
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Review Date : 10/17/2003
Reviewed By : Irfan A. Agha, M.D., Department of Medicine, Renal Division, St. Louis University, St. Louis, MO. Review provided by VeriMed Healthcare Network.
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