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HLA - B27 is an antigen and the test for this is also known by names , such as histocompatibility WBC A antigen ; human leukocyte A antigen and Human Lymphocyte Antigen B27 .
If you are HLA - B27 convinced , then it mean that you are at increase risk than others for some autoimmune conditions likereactive arthritisandankylosing spondylitis.(1 , 2)White people are more probable to have a HLA - B27 positive test.(4 )
More About The HLA-B27 Test and Why Is It Done
The HLA - B27 examination is done if your doctor suspects you are have from autoimmune disease , such as Ankylosing spondylitis . The HLA - B27 test is done to count for the presence of HLA - B27 that is present on the surface of white blood cells . The HLA - B27 are proteins and if you test plus for it , then it mean that you may have an autoimmune disease or the chance of you getting an autoimmune disease is high . The HLA antigens are determined by a person ’s genes and are singular for every mortal .
Some of the common autoimmune conditions that are connect with HLA - B27 are : Juvenile arthritis , Ankylosing spondylitis , and Reactive arthritis .
The HLA - B27 exam is also done if a person is having a tissue paper or pipe organ transplant . In order for the transplantation to be successful , the donor ’s HLA antigen should match with the recipient ’s .
Are There Any Other Tests That Need To Be Done With The HLA-B27 Test?
After a positive HLA - B27 antigen test , other examination need to be done to confirm the diagnosis of an autoimmune disease and these test include : speed of light - reactive protein ,
Erythrocyte Sedimentation Rate ( ESR ) , water tryout , and joint MRI / X - rays .
The Meaning of the HLA-B27 Test Results
The results of the HLA - B27 test can differ depending on the patient ’s sex , years , medical chronicle and the methodology used for the mental test .
If you have a disconfirming result then it means that HLA - B27 is not present in your blood . If you have a positive result , then it mean that HLA - B27 is present in your roue , which increase you chance of having certain autoimmune disease . White are more likely to test positivistic for the HLA - B27 antigens.(4 )
The Risks and the Method of the HLA-B27 Test
The HLA - B27 test is done by drawing a blood sampling with the assistance of a needle from a vein in your hand or weapon system . A blood test done with a needle has few risks that admit : infection , bleeding , vertigo and bruising . There is a mild pain or bunko felt when the needle pricks your vein and some soreness afterwards , which travel away presently .
Factors That Affect the HLA-B27 Test Results and Preparation of This Test
There are n’t any special factors that affect the result of HLA - B27 test .
Before undergoing this test , you need to inform your healthcare provider about all the medicines , supplements and herb that you are taking including over the buffet medicines and illegal drug if any .
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