The kidneys serve an important function – to filter waste products from the blood. For people with diabetes, however, the small blood vessels in the kidneys can become injured and fail to clean the blood properly.
Waste products are created when our bodies digest food. In the kidneys, millions of tiny blood vessels act as filters for this waste. As blood flows through the blood vessels, small molecules, such as waste products, squeeze through these holes and produce urine. Useful substances, such as protein, are too big to be filtered and remain in the blood.
A high level of blood sugar can damage the kidneys and after many years of strain, they start to leak and these useful proteins are lost into the urine. This overwork to compensate for a failing filtering system is the reason why there are no early symptoms of kidney disease. In fact, kidney damage can begin 5 to 10 years before symptoms start.
SYMPTOMS
The first symptom of kidney disease is often weight gain due to fluid buildup. Other symptoms include swelling of the ankles and legs, frequent urination, nausea, poor appetite, loss of sleep, and fatigue.
“Not everyone with diabetes develops kidney problems, but it is still important for anyone with diabetes to have their kidney function checked on a yearly basis” states Dr. Alan Roth, Chairman of Family Medicine at Jamaica Hospital, “A doctor can check blood pressure, urine (for protein), blood (for waste products), and other organs for related complications. When kidney disease is diagnosed early, there are several treatments available to prevent kidney disease from getting worse.”
Diabetics can also manage of their condition by keeping their blood sugar and blood pressure under control. Eating a low fat and low sodium diet, taking proper medications, and getting regular exercise can also help prevent or slow kidney damage.
Failure to diagnose and take proper action to slow or prevent kidney disease can result in the kidneys completely failing. At this point, the only options are dialysis or a kidney transplant.
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