Having a residual shunt after percutaneous patent foramen ovale (PFO) closure was associated with an elevated risk of stroke or transient ischemic attack (TIA) recurrence years after the procedure, ...
Patent foramen ovale (PFO) may be associated with migraine, especially migraine with aura (MA), when the PFO is permanent right-left shunt (RLS), large RLS, and large-size PFO, a recent study found.