Percutaneous Patent Foramen Ovale Occlusion in Patients Over 60 Years of Age with History of Stroke

Background: The prevalence of patent foramen ovale (PFO) is 27%. PFO is related to paradoxical embolism, which can cause ischemic stroke. Ischemic stroke without an identifiable cause is common, accounting for up to 40% of cases, and PFO is frequently found in these patients. The prevalence of PFO is almost 3 times higher in elderly patients with ischemic stroke without identified etiology, suggesting that these patients may also benefit from PFO closure. Objectives: The primary objective was to assess [...]