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Heart Health Author: Dr. Marvin Lipman - Consumer Reports' chief medical adviser, Last Updated: Apr 23, 2009 - 8:29:17 PM



Heart-attack Prevention: Statins for All?
By Dr. Marvin Lipman - Consumer Reports' chief medical adviser,
Nov 18, 2008 - 9:50:14 AM

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We say not so fast, despite the recent news

(HealthNewsDigest.com) - I started getting phone calls from my patients almost as soon as the headlines starting appearing last week. All the media were trumpeting the results of a new study showing that rosuvastatin (Crestor), a powerful cholesterol-lowering statin drug, slashed the risk of heart attack and stroke even in people with normalthats right, normal cholesterol levels who also had high blood levels of a substance called C-reactive protein. CRP rises when the arteries are inflamed, and, as weve previously reported, growing research has linked such inflammation with an increased risk of heart attack. All of those callers wanted to know the same thing: Should they start taking the drug?

Heres my answer to that and two related questions.

Should I immediately start taking a statin?
Probably not, at least based on this study. The trial, released on November 9th by the New England Journal of Medicine, looked at some 18,000 people with an LDL (bad) cholesterol level less than 130 milligrams per deciliter and a CRP level over 2 micrograms per liter. Half got Crestor and half got a placebo. After about 2 years the study was halted because there were 44 percent fewer cardiovascular events in one group than in the other. The winner turned out to be the group that took Crestor.

Sounds impressive, right? Well, maybe not very. Thats because cardiovascular disease is relatively uncommon in the group of people enrolled in the study. So the absolute reduction in the rate of heart attack, stroke, and cardiovascular death went from about 2 per 100 patients in the placebo group to 1 per 100 in the treatment group. At that rate, it would take treating 120 people for nearly two years to prevent one event. A benefit, yes, but is it one thats worth the treatments costs?

Those costs are both medical and financial. For example, people in the study who took rosuvastatin showed worrisome changes in blood-sugar levels that could signal an increased risk of diabetes. And, as our Best Buy Drug Report on statins discusses, all of the drugs can cause muscle aches, soreness, and tenderness in about 1 to 5 percent of people. And rarely, they can cause the muscle tissue to break down, which in turn can trigger life-threatening kidney damage. A years costs for the drugsincluding Crestorcan exceed $1,000.

Should I get my CRP level measured?

That depends mostly on your overall risk of cardiovascular disease. People who are at high risk because they have a clearly elevated LDL level usually dont need the test, since they should be treated with a statin regardless of their CRP. And I dont think its time to measure CRP in people with low LDLs and few, if any other coronary risk factors, because its not yet clear that the benefit of treatment for such very low risk people outweighs the costs and possible harms. But for people at moderate risk of coronary diseasewith a borderline elevated LDL, for example, and perhaps a few other risk factorsknowing the CRP can help you decide how aggressively to lower LDL. For more on how to use your LDL, CRP, and other risk factors to assess your need for cholesterol-lowering drugs, see our Guide to a Healthy Heart at the following url:
www.consumerreports.org/health/medical-conditions-treatments/heart/guide-to-a-healthy-heart-2-08/improve-your-cholesterol-levels/improve-your-cholesterol-levels.htm

If I do need a statin, does this study mean I should definitely take rosuvastatin?
No. Other statinsincluding atorvastatin (Lipitor), lovastatin (Mevacor and generic), and simvastatin (Zocor and generic)also lower both LDL and CRP. And some are much cheaper. For example, a months supply of Crestor costs, on average, about $105. But you can get a months supply of generic simvastatin for around $30 at many retail pharmacies or even as low as $6 at Costco.

For more on how to treat high cholesterol, check out our Treatment Rating at the following url:

www.consumerreports.org/health/treatment-centers/heart-and-circulation/high-cholesterol.htm

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