US cholesterol guidelines updated

Ezetimibe and PCSK9s may be needed

Updated US guidelines on cholesterol advise more personalized assessment of risk as well as two newer types of cholesterol-lowering drugs for people at particularly high risk of heart attack or stroke.

The new Guideline on the Management of Blood Cholesterol from the American Heart Association (AHA) and the American College of Cardiology, last issued in 2013, acknowledge recent research showing the benefit of very low levels of LDL cholesterol.

In the guidelines announced at the AHA's scientific sessions meeting in Chicago, healthy diet and exercise remains the first