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Nephrotic Syndrome
What Happens
Nephrotic syndrome occurs when the kidneys are not working properly. Healthy kidneys filter out excess water, salts, and other things from the blood in our body. Large amounts of protein and minerals are lost through urine when kidneys have damaged filters. The body is left without enough protein to soak up water. As a result, the water moves from the blood supply into body tissues. This causes swelling in the tissues where the water pools.
The most common areas of swelling are in the face around the eyes and in the ankles and feet. Fluid can also collect in the lungs, making it difficult to breathe.
Glomerulosclerosis refers to scarring or hardening of the glomeruli -- blood vessels located in the kidneys. The glomeruli filter the blood as it passes through the kidneys. They remove waste fluids that then leave the body as urine. Damaged glomeruli can't perform their job adequately. As a result, large amounts of protein from the blood leak into the urine rather than remaining in the bloodstream. This leads to a condition called proteinuria. Glomerulosclerosis can affect children and adults...
Read the Glomerulosclerosis article > >
Complications of nephrotic syndrome can include:
- Infection, such as peritonitis, cellulitis, and sepsis.
- Blood clots in veins (deep vein thrombosis) or in the lungs (pulmonary embolus).
- Blood clots in the arteries (acute arterial thrombosis). A blood clot in an artery (arterial embolus) can block blood flow to your arm or leg.
- Increased cholesterol or triglyceride levels in the blood (hyperlipidemia).
- Poor kidney function leading to chronic kidney disease. For more information, see the topic Chronic Kidney Disease.
- Growth delays in children, which can result in shorter height as an adult.
Acute nephrotic syndrome can develop quickly over a few days to a few weeks, causing edema (swelling) and possibly kidney failure.
If another severe medical condition (such as diabetes or high blood pressure) is causing nephrotic syndrome, you may have complications from the other condition also.
Most children who have nephrotic syndrome do well with treatment and have a normal life expectancy.
Complete recovery is possible. Doctors define complete recovery as living without symptoms or treatment for more than 2 years.
WebMD Medical Reference from Healthwise
Nephrotic Syndrome Topics
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