April 8, 2020 by Adrienne Sylver
Chronic Kidney Disease: You May Be At Risk and Not Know It
Hallmarks of the American lifestyle, which include high consumption of processed and sugary foods, low physical activity levels and chronic sleep deprivation, are fueling an increased prevalence of high blood pressure, metabolic syndrome and diabetes. And these risk factors can contribute to chronic kidney disease.
About 1 of 3 adults with diabetes and 1 of 5 adults with high blood pressure may have chronic kidney disease, or CKD, according to the U.S. Centers for Disease Control and Prevention (CDC). Tomorrow, March 14, is World Kidney Day, a global campaign that focuses on the importance of reducing the frequency and impact of kidney disease.
The kidneys function as the body’s filtration system. But when they don’t work properly, the body may struggle to eliminate fluid and waste. In extreme cases, chronic kidney disease, or CKD, can lead to the need for dialysis or a kidney transplant over time.
If you are at increased risk for chronic kidney disease, your primary care doctor will likely monitor your blood pressure and conduct two simple tests to detect early signs of abnormal kidney function. One of them is a urine test to that detects persistent protein in your urine. When your kidneys are damaged, they do not properly filter protein, causing it to leak into your urine. The other is a blood test to check for creatinine, a waste product that comes from muscle activity. The results are used to estimate your glomerular filtration rate (GFR) – a measure of your kidney function.
Another important sign that doctors look for is hematuria, the presence of blood cells in the urine.
“Often people don’t have symptoms,” said Juan Kusnir, M.D., a nephrologist with Baptist Health South Florida. “They don’t have anything that raises a red flag at them and they say, ‘Oh I need to go see a kidney doctor.’ ”
However, adds Dr. Kusnir, there are symptoms that people should know. “They may get swelling (especially in the feet and ankles). They may have a sudden elevation in their blood pressure. They may have blood in their urine. Or they may notice that their urine is changing. The urine may become very foamy, very bubbly.”
Preventive medicine is the key, says Dr. Kusnir, whose patients who referred to him mostly from primary care physician after initial blood and urine testing and other examinations.
“The positive thing is that these tests are not very invasive,” says Samantha Taghva, M.D., internal medicine physician with Baptist Health South Florida. “It’s as simple as urinating in a cup, and then we can tell a lot of things. We can tell if there is blood in the urine or if there is protein in the urine. And that’s the great news. These tests are easy and simple.”
Here are steps to keep your kidneys healthier longer, according to the National Institute of Diabetes and Digestive and Kidney Diseases:
- Choose foods with less salt (sodium)
- Control your blood pressure
- Keep your blood sugar in the target range, if you have diabetes
- Limit the amount of alcohol you drink
- Choose foods that are healthy for your heart: fruits, vegetables, whole grains, and low-fat dairy foods
- Lose weight if you are overweight
- Be physically active
- Don’t smoke
Signs and symptoms of chronic kidney disease develop over time. They can include:
- Nausea
- Vomiting
- Loss of appetite
- Fatigue and weakness
- Sleep problems
- Changes in how much you urinate
- Decreased mental sharpness
- Muscle twitches and cramps
- Swelling of feet and ankles
- Persistent itching
- Chest pain, if fluid builds up around the lining of the heart
- Shortness of breath, if fluid builds up in the lungs
- High blood pressure (hypertension) that’s difficult to control
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