Women’s health testing: a guide for you
C-reactive protein (CRP and hs-CRP)
— are you on fire?
by Marcelle Pick, OB/GYN NP

Inflammation is slowly becoming recognized in conventional medical circles as a
prime contributor to serious health concerns in women like heart disease, osteoporosis,
and diabetes — to name just a few. And a test for C-reactive protein
(CRP) can help determine whether inflammation is present in your body — including
the vessels around your heart.
CRP is mainly released by the liver into the blood stream after the start of an
infection or in the presence of inflammation. Generally speaking, inflammation is
a sign that your body’s immune system is reacting to damaged or infected tissue.
Though there is no definitive agreement on when the test should be done or who should
have it, most practitioners in conventional medicine use this test to monitor acute
infection, or distinctly inflammatory disorders like arthritis or inflammatory bowel
disease.
CRP and cardiovascular risk
The AHA/CDC (American Heart Association/Centers for Disease Control) have jointly
established levels of cardiovascular risk according to the following CRP values:
|
Low risk:
|
less than 1.0 mg/L
|
|
Average risk:
|
1.0-3.0 mg/L
|
|
High risk:
|
above 3.0 mg/L
|
In my practice, I try to encourage any patient with a CRP over 1 mg/L to adopt anti-inflammatory
lifestyle changes.
But our bodies may also carry an ongoing low-grade inflammation depending on our
nutrition, stress levels, and other environmental exposures. This low-level immune
stimulation can cause problems in the body over time, possibly leading to heart
disease, cancer, or other serious conditions. We measure these more subtle changes
in CRP with a test known as hs-CRP, or high-sensitivity CRP.
What’s frustrating to me is that many practitioners don’t order an hs-CRP,
because they don’t know what to do if it’s elevated in a patient. In
2003, the American Heart Association with the Centers for Disease Control and Prevention
jointly published their recommendations on the clinical use of these tests, explaining
that CRP values are only useful as an independent marker of risk for cardiovascular
disease, and that CRP testing should not be used as a widespread screening tool
or to track treatment.
That may change with the most recent publication of a large worldwide study that
found people with high levels of hs-CRP benefit from a reduction in risk of heart
attack or stroke with the use of a common statin drug. Testing for hs-CRP may become
the norm, and that’s a good thing. I’ll be watching to see what happens,
and hope that practitioners of all stripes will not change the way they respond
to this information by simply writing a prescription for a statin, instead of addressing
the underlying causes of inflammation.
In my experience, CRP is an extremely important preventative marker. If it’s
elevated, there are many things you can do to dampen the inflammatory cascade and
limit your risk of inflammation-related disorders — without signing on to
lifelong prescription drugs and their problematic side effect profiles. I typically
start by looking at digestion — after all, the gut is key to a healthy immune
system. By improving nutrition and digestion, I’ve seen marked changes in
women’s CRP levels. You might also consider adding anti-inflammatory spices
to your cooking. I’ve seen ginger, turmeric, and other Indian spices help
to lower CRP.
For more information on ways in decrease inflammation, see my article on
the natural approach to reducing inflammation. I also discuss statin drugs
in my article on women’s health
myths.
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to return to interpreting tests summary.
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Related to this article:
References on interpreting your medical
test results
Last Modified Date: 04/15/2011
Principal Author: Marcelle Pick, OB/GYN NP