Henry has been having a hard time managing his health. He knows hes got high blood pressure and diabetes, but he just cant resist extra helpings of his wifes fry bread. During a checkup, Dr. Begay tested Henrys blood. The results showed Henry had developed chronic kidney disease. Henry wondered if the test results could be wrong because he didnt feel sick. Dr. Begay explained that people with kidney disease often do not know it. Thats why it is called a silent disease.
You have two kidneys, each the size of a fist. Your kidneys have an important job. They filter waste out of your blood and remove extra water from your blood to make urine. Your kidneys also control your blood pressure and make hormones that your body needs to stay healthy.
Kidney disease can sometimes develop very quickly, and when this happens, it is called acute kidney injury. Depending on the cause and severity of the problem, this form of kidney disease can sometimes get better. The more common form of kidney disease happens slowly, over a long period of time. This is called chronic kidney disease. You might hear it called CKD. Chronic kidney disease is a lifetime illness; it will not go away.
Chronic kidney disease is a widespread problem, especially in older people. In an early stage of the disease, the kidneys dont do a good job of removing extra water and waste out of the blood.
Over time, the problem gets worse, and the kidneys may completely stop working. This is called end-stage renal disease or ESRD. Renal is another word for kidney. When kidney disease gets very bad, it can cause other problems like heart disease, bone disease, arthritis, and nerve damage.
Older people often take lots of medicines. Kidneys help to filter out parts of the medicines that the body does not use. Kidney disease makes it hard for the kidneys to do this job.If you have kidney disease, your doctor may need to change the dose of some of your medicines. Sometimes this can make the kidney problem get better. Your doctor may also tell you not to take some over-the-counter medicines, like those for arthritis.
Diabetes and high blood pressure are two major causes of kidney disease. People who have heart disease also have an increased risk for kidney disease.
Family history may also play a role in your risk for kidney disease. This means that if someone in your family, like your mother, father, sister, or brother, has kidney disease, you are more likely to have it too.
In addition, people of certain races and ethnicities, such as African Americans, Hispanics, and Native Americans, seem to have a greater chance of developing kidney disease.
Age is another factor. As you get older, your kidneys may not work as well as when you were younger. Ask your doctor to help you keep track of how well your kidneys are working.
Kidney disease often does not have any symptoms. In fact, you might feel fine right up to the point when your kidneys nearly stop working. Only your doctor can tell if you have kidney disease.
There are two kinds of tests your doctor can do to see if you have kidney disease: a blood test and a urine test.
The blood test, called GFR, measures how much blood your kidneys filter each minute. Your doctor uses this information to see how well your kidneys are working. A GFR of over 60 means your kidneys are working fine. A GFR of 60 or lower may mean you have kidney disease. You cannot raise your GFR, but there are things you can do to keep it from getting lower (see the section Prevent Your Kidneys From Getting Worse).
The urine test shows if you have a kind of protein, called albumin, in your urine. Protein in your urine can be a sign of kidney damage. It is more common in people who have diabetes. Your doctor may need to do additional tests to confirm whether or not you have kidney disease.
Because most people who have kidney disease also have diabetes, high blood pressure, or both, your doctor might also check to see if you have these problems.
The earlier kidney disease is found, the sooner you can start a treatment to keep your kidneys healthier longer.
There is no cure for kidney disease. There are things you can do to help keep your kidneys from getting worse.
If your kidney disease is in an early stage, meaning your kidneys are still working, your doctor may prescribe blood pressure medicine and a diuretic (water pill) to lower your blood pressure and protect kidney function. You may also have to make some lifestyle changes, like eating a special low-salt diet and exercising regularly to keep a healthy weight.
You can keep track of your results using Your Kidney Test Results, a fact sheet, available from the National Kidney Disease Education Program.
If your kidneys have stopped working, meaning you are in end-stage renal disease, there are treatments that can replace your kidney function. Two main options are dialysis and a transplant.
Dialysis is a special process that removes waste and water from your blood. Dialysis is done at a special center about three times a week or at home while you sleep. Your doctor will decide which is right for you.
A transplant is when you get a healthy kidney from a donor. Because people have two kidneys, a living person, usually a family member, can give you one of his or her kidneys.
Talk with your doctor about whether dialysis or a transplant might work for you.
Medicare may help pay for some kidney disease education and treatment. Contact Medicare to learn more about what is covered. Look for the publications Medicare Coverage of Kidney Dialysis and Kidney Transplant Services, Medicare and Kidney Disease Education, and Your Medicare Benefits on the Medicare website.
Here are some helpful resources:
American Association of Kidney Patients 3505 East Frontage Road Suite 315 Tampa, FL 33607 1-800-749-2257 (toll-free) http://www.aakp.org
American Kidney Fund 6110 Executive Boulevard, Suite 1010 Rockville, MD 20852 1-866-300-2900 (toll-free) http://www.kidneyfund.org
Centers for Medicare & Medicaid Services 7500 Security Boulevard Baltimore, MD 21244-1850 1-800-633-4227 (1-800-MEDICARE/toll-free) 1-877-486-2048 (TTY/toll-free) http://www.medicare.gov
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Clearinghouse 3 Information Way Bethesda, MD 20892-3580 1-800-891-5390 (toll-free) 1-866-569-1162 (TTY/toll-free) http://www.kidney.niddk.nih.gov
For NIDDKs National Kidney Disease Education Program 1-866-454-3639 (1-866-4-KIDNEY, toll-free) http://www.nkdep.nih.gov
National Kidney Foundation 30 East 33rd Street New York, NY 10016 1-800-622-9010 (toll-free) 1-212-889-2210 http://www.kidney.org
National Library of Medicine MedlinePlus http://www.medlineplus.gov
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Kidney Disease: A Silent Problem | National Institute on Aging