On November 15, the American College of Cardiology and the American Heart Association released an updated guideline for the use of statins to prevent and treat atherosclerotic cardiovascular disease (ASCVD). The full report is available online. It has already generated a lot of controversy. The news media have characterized it as a “huge departure” from previous practice and have trumpeted that it will lead doctors to prescribe statins to millions more people. As usual, the truth is much more nuanced. There are some problems with the guidelines, but on the whole they represent an improved, more rational approach to prescribing statins.
Statins have always been a source of controversy: people seem to either love them or hate them, and discussions about them generate a lot of emotion. The International Network of Cholesterol Skeptics denies that cholesterol has anything to do with cardiovascular disease. An article on HuffPo calls statins “an unsafe, unnecessary product that will now be recommended to healthy people to make them sicker.” Mercola says they can actually make heart disease worse and cause premature aging, and no one should take them unless they have the genetic defect of familial hypercholesterolemia. A website collects patient self-reports of adverse effects; but like the vaccine reports on VAERS, these are only anecdotal reports of correlation, not evidence for causation.
At one time the evidence only supported using statins for secondary prevention and for men. We now have better evidence showing that they are effective for both primary and secondary prevention in patients of both sexes and all ages, and that they are more effective for those with higher risk factors. (more…)
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