Patent foramen ovale (PFO) is an often overlooked cause of acute ischemic stroke. JAMA Associate Editor Jeffrey Saver, MD, professor of neurology at UCLA, discusses new recommendations from a 2020 AAN Practice Advisory about use of mechanical PFO closure and anticoagulant vs antiplatelet therapy to prevent subsequent strokes in patients with a PFO and an initial event.

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Management of Patients With a Patent Foramen Ovale With History of Stroke or TIA