Collateral Circulation Linked to Ischemic Burden and Chest Pain in Stable Angina
A placebo-controlled, n-of-1 study suggested that coronary collateralization may lessen the intensity of ischemic chest pain. The study included 51 participants with stable single-vessel coronary artery disease and angina. After discontinuing antianginal medications, participants recorded daily angina using a smartphone app for 14 days before undergoing invasive pressure wire studies […]