Many Guidelines For Heart Care Rely On Weak Evidence
Less than 10 percent of cardiovascular guidelines to help doctors are based on the most carefully conducted scientific studies. A lot of the rest are based on much flimsier evidence.
Doctors turn to professional guidelines to help them identify the latest thinking on appropriate medical treatments, but a study out Friday finds that in the realm of heart disease, most of those guidelines aren't based on the highest level of evidence.
, the journal of the American Medical Association, that was released online ahead of print, finds that less than 10 percent of cardiovascular guidelines are based on the most carefully conducted. A lot of the rest are based on much weaker evidence.
