本帖最后由 荷花池荒岛 于 2014-5-16 13:31 编辑 2 p$ W4 |1 R. c. G/ M
" m# w o. t% N1 v6 h: S, Z( k1) ! z2 ]# M8 Q- F; g% z7 i: J http://www.webmd.com/a-to-z-guides/c-reactive-protein-crp3 p: g/ R+ m Y5 a' J1 V$ l+ \
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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.; o. ~- Y* V4 B* L% M9 F
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High 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.+ M/ b( D! c! W: X |% _
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Why It Is Done0 h' f+ m7 F B* k/ \8 P
6 S7 M4 g, o0 G9 k# Z! EA C-reactive protein (CRP) test is done to:' q* {9 a3 R& k# C
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:; x) B; n, q' c+ c& E' i
Cancer of the lymph nodes (lymphoma). % D: L- ^( z- a; ~6 a" L' qDiseases of the immune system, such as lupus.. O& a/ ]' Y" L* z, i
Painful swelling of the blood vessels in the head and neck (giant cell arteritis).' u8 H, Z. s1 R1 P
Painful swelling of the tissues that line the joints (rheumatoid arthritis).% c$ ?& u# B0 b' O& }
Swelling and bleeding of the intestines (inflammatory bowel disease).1 `$ }5 y {( @/ G. |! \5 u
Infection of a bone (osteomyelitis). b1 G! U3 v( F4 y# ?