According to the Cleveland Clinic, PFO is a hole in the heart caused by a failure of the left and right sides of the upper chambers of the heart to join after birth. The opening allows blood to circumvent the lungs, the body's filtering system for blood. This congenital defect is present in many people before birth, but seals itself naturally in 80% of people. PFO is fairly common, but rarely life threatening.
Relationship Between Migraine and PFO: A Study of 121 Patients
The study supports the idea that patients who experience migraine with aura are more likely than migraineurs without aura and non-migraineurs to have PFO. Fifty-four percent of patients with aura had PFO, while only 25 percent of migraineurs without aura and 25 percent of non-migraineurs had PFO. This difference is considered statistically significant.
Their research found no correlation between existence of PFO and type of aura, frequency of attack, sex, age or familial occurrence.
- Patent Formen Ovule (PFO)
- The Scoop on PFO
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Content by Diana E. Lee.