Study Status: Recruiting
Recruit Status: Unknown status
Study Type: Interventional
Official Title: Randomized Clinical Trial Comparing the Efficacy of Percutaneous Closure of Patent Foramen Ovale (PFO) With Medical Treatment in Patients With Cryptogenic Embolism
Brief Summary: The purpose of this study is to compare two treatments strategies to prevent further attacks in patients who have suffered an stroke or occlusion of a major artery with no obvious reason other than a persistent small opening between the upper heart chambers