A matter of intense debate in the last decades, the ideal strategy for secondary prevention in patients with cryptogenic stroke and patent foramen ovale (PFO) is not yet clearly defined. PFOs are prevalent in the general population and can be found in up to 40% of patients with cryptogenic stroke. Although in some cases of cryptogenic stroke PFO might be just an innocent bystander, paradoxical embolism is a well-known potential causative mechanism, especially in patients with concomitant deep venous thrombosis, […]