@strngr12 As has been stated in a previous reply, they don't intervene until there is a confirmed 70% blockage. Meanwhile, you may take years to get much closer with lifestyle and medicine prescriptions, which generally are much better and less risky that opening arteries and scraping their linings....which are already damaged due to the inflammation that encouraged the plaque in the first place. In case it's news, the plaque doesn't accumulate like fat in your drain pipes. It isn't up against the endothelial lining. Instead, its underneath, in what is called the 'lumen.' So 'scraping', as you can imagine, is not something done easily.