Pericarditis is inflammation of the sac around the heart, called the pericardium. If pericarditis becomes chronic, it can lead to pericardial effusion. This is when the pericardium fills with fluid.

In the small percentage of patients undergoing TAVR who have a preexisting unruptured thoracic aortic aneurysm (TAA), there appears to be increased risks of both aortic dissection and cardiac ...