Measuring Your C Reactive Protein Levels - DrJockers.com

Measuring Your C Reactive Protein Levels

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Measuring Your C Reactive Protein Levels:

Most doctors have been misled to focus on total cholesterol as a key figure in measuring heart disease.  More recent research has shown that measuring inflammatory mediators and inflammatory levels in the body is a much better way of assessing cardiovascular risk.  C Reactive Protein (CRP) is one of the major inflammatory markers that should be measured when assessing inflammatory levels and risk of heart disease (1, 2, 3).

CRP is released from the liver in response to acute tissue damage and inflammation.  It is activated by macrophages and adipocytes in order to bind phosphocholine expressed on the surface of dead or dying cells in order to activate the C1Q complement part of the immune system.  This means that it helps drive up inflammatory activity in the body.

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Cardiovascular Disease and Inflammatory 

Heart disease is characterized by chronic inflammatory activity in the cardiac tissue and major arterial beds of the body.  This chronic inflammation causes scar tissue and plaque to build up in the arterioles as well as blood clotting to form.

This leads overtime to myocardial and cerebral infractions.  Studies have indicated that individuals with elevated levels of CRP have a risk about 2-3 times higher than the risk of those with low levels (4, 5).  Over a dozen major studies have shown a link between apparently healthy men and women and their future risk of cardiovascular events with higher levels of CRP (6, 7).

It is also been shown that CRP levels predict the risk of recurrent coronary events among patients who already have cardiovascular disease.  The most important use of CRP is in detecting risk among individuals who do not know they have a problem (8).

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CRP and Metabolic Disease:

Individuals with CRP levels greater than 3 mg/L have a four to six time higher risk of developing diabetes than individuals with lower levels of CRP.  This is another indication of the link between chronic inflammation and diabetes, obesity and heart disease.  Many physicians include CRP levels in the diagnostic criteria for metabolic syndrome (9, 10).

We use to think that obesity was solely related to eating too much and moving too little.  Now, we understand that obesity is a condition characterized by chronic inflammatory activity in the body.  Excess fat tissue is not dormant and metabolically inactive (11, 12).

It, instead, is constantly promoting the release of pro-inflammatory proteins and chemicals.  The fat (adipose) tissue itself, actively contributes to the inflammatory processes.  This creates a vicious cycle within the body that makes it more challenging for these individuals to get well.

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Best Cardiovascular Panels:

It is very advantageous to look at CRP along with a number of other risk factors for cardiovascular disease.  These include things like homocysteine and lipoprotein (a) as well as a basic lipid panel.  More advanced panels will include a Vertical AutoProfile (VAP) test that looks in much more detail at the lipid subtypes as does the NMR (Nuclear Magnetic Resonance) lipid profile.

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Normal vs Pathological CRP Ranges:

The key test for CRP levels is a “high sensitivity” test also called hs-CRP.  The standard CRP test does not have the ability to measure levels accurately within the range needed for cardiac risk detection.  Normal ranges are considered to be under 3.0 mg/L (13, 14).

Functional healthy ranges are under 2 mg/L.  If one has an active infection or tissue trauma they will have higher hs-CRP levels and the test should be run again when the trauma or infection has been healed.

High-sensitivity CRP usually is ordered as one of several tests in a cardiovascular risk profile, often along with tests for cholesterol and triglycerides, when a person’s risk of heart disease is being evaluated.   Some experts say that the best way to predict risk is to combine a good marker for inflammation, like hs-CRP, along with the lipid profile (15).

When hs-CRP is evaluated, it may be repeated to confirm that a person has persistent low levels of inflammation.

We recommend our CardioPower test which looks in detail at all the key biomarkers involved with inflammation and a healthy cardiovascular system.

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Sources For This Article Include:

  1. Danesh J, Wheeler JG, Hirschfield GM, Eda S, Eiriksdottir G, Rumley A, Lowe GD, Pepys MB, Gudnason V. C-reactive protein and other circulating markers of inflammation in the prediction of coronary heart disease. N Engl J Med. 2004 Apr 1;350(14):1387-97. PMID: 15070788
  2. The New England Journal of Medicine – C-Reactive Protein Reassessed Link Here
  3. The New England Journal of Medicine – C-Reactive Protein and Coronary Heart Disease Link Here
  4. Koenig W, Sund M, Fröhlich M, Fischer HG, Löwel H, Döring A, Hutchinson WL, Pepys MB. C-Reactive protein, a sensitive marker of inflammation, predicts future risk of coronary heart disease in initially healthy middle-aged men: results from the MONICA (Monitoring Trends and Determinants in Cardiovascular Disease) Augsburg Cohort Study, 1984 to 1992. Circulation. 1999 Jan 19;99(2):237-42. PMID: 9892589
  5. The New England Journal of Medicine – C-Reactive Protein and Other Circulating Markers of Inflammation in the Prediction of Coronary Heart Disease Link Here
  6. Haim M, Benderly M, Tanne D, Matas Z, Boyko V, Fisman EZ, Tenenbaum A, Zimmlichman R, Battler A, Goldbourt U, Behar S. C-reactive protein, bezafibrate, and recurrent coronary events in patients with chronic coronary heart disease. Am Heart J. 2007 Dec;154(6):1095-101. PMID: 18035081
  7. Blake GJ, Ridker PM. Inflammatory bio-markers and cardiovascular risk prediction. J Intern Med. 2002 Oct;252(4):283-94. PMID: 12366601
  8. Ogiwara F, Takahashi M, Ikeda U. [Inflammatory markers and cytokines in cardiovascular disease]. Rinsho Byori. 2004 Aug;52(8):686-92. PMID: 15478624
  9. Devaraj S, Singh U, Jialal I. Human C-reactive protein and the metabolic syndrome. Curr Opin Lipidol. 2009 Jun;20(3):182-9. PMID: 19369869
  10. Ndumele CE, Pradhan AD, Ridker PM. Interrelationships between inflammation, C-reactive protein, and insulin resistance. J Cardiometab Syndr. 2006 Summer;1(3):190-6. PMID: 17679826
  11. Visser M, Bouter LM, McQuillan GM, Wener MH, Harris TB. Elevated C-reactive protein levels in overweight and obese adults. JAMA. 1999 Dec 8;282(22):2131-5. PMID: 10591334
  12. Visser M, Bouter LM, McQuillan GM, Wener MH, Harris TB. Low-grade systemic inflammation in overweight children. Pediatrics. 2001 Jan;107(1):E13. PMID: 11134477
  13. Ridker PM. Cardiology Patient Page. C-reactive protein: a simple test to help predict risk of heart attack and stroke. Circulation. 2003 Sep 23;108(12):e81-5. PMID: 14504253
  14. Ridker PM. High-sensitivity C-reactive protein: potential adjunct for global risk assessment in the primary prevention of cardiovascular disease. Circulation. 2001 Apr 3;103(13):1813-8. PMID: 11282915
  15. Whelton SP, Roy P, Astor BC, Zhang L, Hoogeveen RC, Ballantyne CM, Coresh J. Elevated high-sensitivity C-reactive protein as a risk marker of the attenuated relationship between serum cholesterol and cardiovascular events at older age. The ARIC Study. Am J Epidemiol. 2013 Oct 1;178(7):1076-84. PMID: 24026395

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