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How To Diagnose Chronic Kidney Disease

Time:  2014-01-10 10:48

How To Diagnose Chronic Kidney DiseaseChronic Kidney Disease (CKD) is usually diagnosed through blood and urine test.

1. If you are in a high-risk group for developing CKD, it is important for you to do regular screen. Annual screening is recommended for the following groups:

People with have high blood pressure

People with have diabetes

People who regularly take drugs which may damage the kidneys, such as lithium, calcineurin inhibitors and long-term regular use of painkillers including ibuprofen.

People with cardiovascular disease

People with structural renal tract disease, kidney stones or an enlarged prostate.

People with diseases that affect several parts of the body and may affect the kidneys, such as systemic lupus erythematosus.

People with a family history or an inherited kidney disease,such as polycystic kidney disease

People with blood in the urine or protein in the urine where there is no known cause.

If you are in one of the groups, you may need do regular tests so as to avoid experiencing CKD.

2. An effective way for chronic kidney disease

An effective way of assessing how well your kidneys are working is to calculate your glomerular filtration rate which is a measurement of how many millilitres of waste fluid your kidneys can filter from the blood in a minute. A healthy pair of kidneys can filter more than 90ml/min.

The doctors usually use a formular to measure Glomerular filtration rate(GFR), which is estimated GFR or eGFR. Calculating your eGFR, you need to take a blood sample and measure the levels of a waste product called creatinine and consider your age, gender and ethnic group. The result is similar to the percentage of normal kidney function. For instance, an eGFR of 50ml/min equates to 50% kidney function.

However, GFR can fluctuate, so one abnormal test result does not mean you have experienced CKD. If repeated eGFR tests show your eGFR is lower than normal over three months, a diagnosis of CKD is usually only confirmed.

3. Other tests

A number of other tests are also used to assess how much your kidneys are damaged, including,

Urine tests- this is used to diagnose whether there is blood or protein in your urine.

Kidney scans, such as ultrasound scan, a magnetic resonance imaging scan or a computerised tomography scan- this is used to find out whether there are unusual blockages in your urine flow. When kidney disease is in an advanced state, the kidneys are shrunken and have an uneven shape.

Kidney biopsy-a small sample of kidney tissue is taken so that the cells can be examined under a microscope for damage.

The above are some common tests for CKD. If you doubt you have CKD, you can choose one of the tests to diagnose whether you experience it. However, you should also know if only repeated tests show you have abnormal symptoms, you may have a risk of CKD.

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