hla-b27 antigen…

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what the risks are blood test, human leukocyte antigen b27, hla-b27, blood test to detect, hla-b27 on lymphocytes, white blood cells, histocompatibility antigens test, test was performed, using serum that specifically reacts, hla-b27 on the cells, serologic tissue typing, newer methods, available that use genetic testing to identify the type of hla-b27, particular individual, hla-b27 gene is designated, hla-b*2701, hla-b*2702, blood is drawn, a vein, the elbow, the hand, puncture site is cleaned, antiseptic, an elastic band, around the upper arm to apply pressure, vein to swell, blood, a needle is inserted, vein, blood is collected in an air-tight vial, a syringe, band is removed, restore circulation, once the blood has been collected, needle is removed, puncture site is covered to stop any bleeding, in infants, young children, area is cleansed, antiseptic, punctured, a sharp needle, a lancet, blood collected, pipette, small glass tube, on a slide, onto a test strip, into a small container, a bandage applied, puncture site, any bleeding, no special preparation, infants, children, test depends on child's age, prepare child, infant test, procedure preparation, birth to 1 year, toddler test, procedure preparation, 1 to 3 years, preschooler test, procedure preparation, 3 to 6 years, schoolage test, procedure preparation, 6 to 12 years, adolescent test, procedure preparation, 12 to 18 years, the needle is inserted to draw blood, feel moderate pain, a prick, stinging sensation, some throbbing, human leukocyte antigens, hlas, proteins present on the surface of all body cells that contain a nucleus, in especially high concentrations in white blood cells, leukocytes, hla antigens, the major histocompatibility antigens, tissue recognition, important in considering any type of tissue transplant, kidney transplant, bone marrow transplant, many hla antigens exist, special interest, more common in certain autoimmune diseases, hla-b27 is found in 80, 90% of people, ankylosing spondylitis, reiter's syndrome, hla-b27 is also present in 5, 7% of caucasian people, autoimmune disease, using the new genetic testing methods, not all hla-b27 genes, an increased risk of developing ankylosing spondylitis, hla-b*2706 has not been shown to have an association, important to note that this test, does not predict the development of autoimmune disease, should not be used, purpose, hla-b27 is found in 5, 7% of caucasian people, autoimmune disease, a positive test indicates a greater-than-average risk, developing, ankylosing spondylitis, reiter's syndrome, sacroiliitis, inflammation, the sacroiliac joint, presence of suggestive clinical findings, a positive hla-b27 test, confirm the diagnosis, excessive bleeding, fainting, feeling light-headed, hematoma, blood accumulating under the skin, infection, a slight risk, the skin is broken, multiple punctures to locate veins, veins, arteries vary in size, obtaining a blood sample.