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What is stage 4 renal failure?

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Quick Answer

The National Kidney Foundation (NKF) describes stage 4 renal failure as chronic kidney disease characterized by severe kidney damage. Chronic kidney disease is caused by damage to the kidneys from injury or other conditions. There are five stages: kidney damage and normal Glomerular Filtration Rate (GFR), kidney damage and mild decrease in GFR, moderate decrease in GFR, decrease in GFR and kidney failure.

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Full Answer

NKF notes that the focus of treatment during stage 4 renal failure is on slowing the loss of kidney function. A patient accomplishes this by following the treatment plan prescribed by his doctor and continuing to manage other diseases, such as heart disease, high blood pressure or diabetes, that complicate kidney disease. Even treated stage 4 renal failure can lead to stage 5 renal failure, which is a near-total loss of kidney function.

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