What you should know about CRP
CRP is C-reactive protein, a protein found in the body that reacts to the inflammatory response. Called a complement protein, CRP and other proteins like it respond to tissue damage. These proteins and other aggregates of the inflammatory, cause a reaction to help repair when there is an injury anywhere in the body. This quick reaction to tissue damage and inflammation is part of our immune response.
Reactions to Inflammation
Due to this reaction, CRP levels are understandably elevated after surgery or accidental physical trauma. CRP levels are also affected when the body undergoes vascular events that leave tissue without oxygen, such as heart attacks or strokes. CRP levels are often watched after myocardial infarction or heart attack
, along with other blood tests to prevent another episode.
CRP & Infection
When someone is actively fighting infections, like appendicitis, influenza, or pneumonia, CRP levels will also be elevated. CRP levels, along with white blood cell
counts, are a big determinant when physicians decide if a treatment is effective at eliminating the infection.
Autoimmunity and CRP
When the body’s immune system starts to target its own cells, it is called Autoimmune disorder. Some examples of autoimmune diseases are rheumatoid arthritis, Crohn’s Disease
, lupus, and hypothyroidism in some cases. In addition to physical symptoms of pain and fever, autoimmune diseases will increase the inflammatory response. C-reactive protein levels are often evaluated by doctors, again, with other tests, to help determine the severity or progression of the disease or episode.
CRP & Heart
Because CRP is elevated after a heart attack, most doctors will follow its levels in patients after coronary events. If initial levels of CRP are over 2.4 mg/dL, they are considered at risk for coronary events. It is desirable to have CRP levels less than 1.0 mg/dL. Statin drugs treated for hyperlipidemia reduce CRP
levels, another reason to keep at-risk patients on these drugs. It is evident that patients who have consistently higher CRP levels are more likely to have hypertension, diabetes and heart disease.
Some cancers may elevate CRP levels and is often very high during acute or chronic kidney failure. A CRP blood test
alone will not diagnose a single disease but can be significant in the presence of other symptoms.
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