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 ...
As a baby develops in the womb, a hole in its heart provides oxygen-rich blood from the mother. This hole usually closes naturally when the baby is born. However, about 25 percent of the time, it does ...