A patent foramen ovale (PFO) is a hole in the heart that doesn’t close as expected after birth. Before a baby is born, they have a hole between the left and right sides of their heart. This hole, ...

Researchers found closure of patent foramen ovale could result in reduced monthly migraine days. Treatment with patent foramen ovale (PFO) closure could reduce the frequency of headaches and monthly ...

Patients younger than 60 years with patent foramen ovale (PFO)-related stroke who have both an atrial septal aneurysm (ASA) and a large shunt benefit stand to benefit more from PFO closure than those ...

A patent foramen ovale is an opening that some adults have between the top two chambers of their hearts. Everyone has this opening early in life, but it often seals during infancy. In some people, ...