American Heart Association

Understanding coronary heart disease risk factors and prevention

The news that President George W. Bush had angioplasty, or percutaneous coronary intervention (PCI), to fix a blockage in an artery may come as a surprise to many. After all, the 67-year-old is a longtime fitness enthusiast who often jogs and rides a mountain bike. During his presidency from […]

SimpleScience@Heart: New stent safer, more effective at mending brain aneurysms

A new stent — covered with a thin, porous layer of polyurethane — repaired aneurysms in an animal study presented at the American Heart Association’s Scientific Sessions 2012.

A brain aneurysm is a weakness in the wall of a brain vessel that balloons out and is at risk of rupturing […]