A rigorous sham-controlled trial has failed to demonstrate a significant benefit for patent foramen ovale (PFO) closure in addressing frequent migraine headaches. There has long been a strong suspicion that some migraine headaches may be caused by PFO, but this relationship has never been conclusively demonstrated, and it has never been established that PFO closure ...
No benefit found for PFO closure in migraine
By Larry Husten
2 May 2018