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End-stage renal disease, also called end-stage kidney disease or kidney failure, occurs when chronic kidney disease — the gradual loss of kidney function — reaches an advanced state. In end-stage renal disease, your kidneys no longer work as they should to meet your body's needs.
Your kidneys filter wastes and excess fluids from your blood, which are then excreted in your urine. When your kidneys lose their filtering abilities, dangerous levels of fluid, electrolytes and wastes can build up in your body.
With end-stage renal disease, you need dialysis or a kidney transplant to stay alive. But you can also choose to opt for conservative care to manage your symptoms — aiming for the best quality of life during your remaining time.
One of the important jobs of the kidneys is to clean the blood. As blood moves through the body, it picks up extra fluid, chemicals and waste. The kidneys separate this material from the blood. It's carried out of the body in urine. If the kidneys are unable to do this and the condition is untreated, serious health problems result, with eventual loss of life.
Early in chronic kidney disease, you might have no signs or symptoms. As chronic kidney disease progresses to end-stage renal disease, signs and symptoms might include:
Signs and symptoms of kidney disease are often nonspecific, meaning they can also be caused by other illnesses. Because your kidneys can make up for lost function, signs and symptoms might not appear until irreversible damage has occurred.
Make an appointment with your health care provider if you have signs or symptoms of kidney disease.
If you have a medical condition that increases your risk of kidney disease, your care provider is likely to monitor your kidney function with urine and blood tests and your blood pressure during regular office visits. Ask your provider whether these tests are necessary for you.
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A typical kidney has about 1 million filtering units. Each unit, called a glomerulus, connects to a tubule, which collects urine. Conditions such as high blood pressure and diabetes take a toll on kidney function by damaging these filtering units and collecting tubules and causing scarring.
A healthy kidney (left) eliminates waste from the blood and maintains the body's chemical balance. With polycystic kidney disease (right), fluid-filled sacs called cysts develop in the kidneys. The kidneys grow larger and gradually lose the ability to function as they should.
Kidney disease occurs when a disease or condition impairs kidney function, causing kidney damage to worsen over several months or years. For some people, kidney damage can continue to progress even after the underlying condition is resolved.
Diseases and conditions that can lead to kidney disease include:
Certain factors increase the risk that chronic kidney disease will progress more quickly to end-stage renal disease, including:
Kidney damage, once it occurs, can't be reversed. Potential complications can affect almost any part of your body and can include:
If you have kidney disease, you may be able to slow its progress by making healthy lifestyle choices:
End-stage renal disease care at Mayo Clinic
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