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We don't know exactly why a PFO develops. It may be genetic, meaning it runs in families. The condition also seems to be found more frequently in people who regularly have migraines with auras.
In contrast, in men, no significant difference was observed in the prevalence of PFO between siblings of patients with or without PFO (respectively 33.3% and 35%), giving an OR of 0.9 (95% CI 0.2 to 4.9; P=0.9). Conclusions: This study suggests that, in women, PFO is a family trait.
The cause of a PFO is unknown. There are no known risk factors. It can be found along with other heart abnormalities such as atrial septal aneurysms or Chiari network.
Definition. Patent foramen ovale (PFO) is a hole between the left and right atria (upper chambers) of the heart. This hole exists in everyone before birth, but most often closes shortly after being born. PFO is what the hole is called when it fails to close naturally after a baby is born.
Having a PFO as an adult or older child is not normal. But it occurs in many people. It may be slightly more common in younger adults compared with older adults.
Patent foramen ovale causes It may be genetic, meaning it runs in families. The condition also seems to be found more frequently in people who regularly have migraines with auras.
PFO often doesn't cause any symptoms and may not require treatment. But it can sometimes indicate stroke or mini-stroke. If you have a history of stroke or blood clots, your provider may suggest treatment.
PFO often doesn't cause any symptoms and may not require treatment. But it can sometimes indicate stroke or mini-stroke. If you have a history of stroke or blood clots, your provider may suggest treatment.
Complications. Possible complications of patent foramen ovale may include: Low blood oxygen. Rarely, a patent foramen ovale can cause a significant amount of blood to go around the lungs.
The cause of a PFO is unknown. There are no known risk factors. It can be found along with other heart abnormalities such as atrial septal aneurysms or Chiari network.