Patent foramen ovale (PFO) closure reduced the risk for recurrent ischemic stroke in most young and middle-aged adults with cryptogenic stroke but increased the risk for atrial fibrillation (AF) in a ...

New research shows that cryoablation is a safe and effective approach to close congenital patent foramen ovale (PFO, a small hole in the heart) in patients with atrial fibrillation (AF) undergoing ...