本帖最后由 荷花池荒岛 于 2014-5-16 13:31 编辑 1 j% i' F; T. {) y5 p$ }1 U, J% W* {5 D) P
1) 5 f- N) j4 \& Z) {. {8 J& O6 }7 Chttp://www.webmd.com/a-to-z-guides/c-reactive-protein-crp9 [* i9 v$ m; M" i1 h% j
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A C-reactive protein (CRP) test is a blood test that measures the amount of a protein called C-reactive protein in your blood. C-reactive protein measures general levels of inflammation in your body.8 w2 f" H9 T1 v6 [0 i
) U4 I/ k" `) wHigh levels of CRP are caused by infections and many long-term diseases. But a CRP test cannot show where the inflammation is located or what is causing it. Other tests are needed to find the cause and location of the inflammation.8 _5 `& R( z8 R1 D r* o! s
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Why It Is Done 3 T# k' _: f3 I( H- E: _ ' i4 Y+ D1 d# U8 j, G" V2 W3 qA C-reactive protein (CRP) test is done to:0 a/ g6 X; z7 {) M
Check for infection after surgery. CRP levels normally rise within 2 to 6 hours of surgery and then go down by the third day after surgery. If CRP levels stay elevated 3 days after surgery, an infection may be present.
Identify and keep track of infections and diseases that cause inflammation, such as:% `& ]' `5 t) h! }/ V: C
Cancer of the lymph nodes (lymphoma).# i, v9 q6 E# I" b8 r
Diseases of the immune system, such as lupus.0 p! j5 L% K) U( d1 s
Painful swelling of the blood vessels in the head and neck (giant cell arteritis).2 G8 l, o8 z4 Y
Painful swelling of the tissues that line the joints (rheumatoid arthritis). . G" X; f$ k* y0 rSwelling and bleeding of the intestines (inflammatory bowel disease).+ R) i0 a! P4 } O, Y0 D5 u% i2 d
Infection of a bone (osteomyelitis).9 s# K P7 n* G" W( R9 ?5 M