Long-Term Outcomes of Patent Foramen Ovale Closure or Medical Therapy after Stroke

Between 20 and 30% of ischemic strokes are cryptogenic. A strong association between cryptogenic strokes and the presence of patent foramen ovale (PFO) suggests that paradoxical embolism through a PFO may be one important cause of otherwise unexplained infarcts. Percutaneous devices for closure of…

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