Overview
Patent foramen ovale (PFO) is a common congenital heart defect characterized by an open flap between the right and left atria, potentially leading to paradoxical embolism and thromboembolic events such as stroke and recurrent transient neurological defects 13.Diagnosis
Clinical Indicators: History of stroke, transient ischemic attacks (TIAs), or recurrent migraines 3.
Diagnostic Tests: Echocardiography (transthoracic or transesophageal) to confirm PFO presence and size 13.
Risk Assessment: Evaluation of anatomical and functional risk factors for paradoxical embolism 3.Management
First-Line: Lifestyle modifications and antiplatelet therapy (e.g., aspirin) for secondary prevention of thromboembolic events 1.
Percutaneous Closure: Recommended for recurrent thromboembolic events based on recent guidelines 1.
Adjunctive Treatments: Anticoagulation therapy in specific clinical scenarios, guided by individual risk assessment 1.Special Populations
Pediatrics: Not specifically addressed in provided abstracts.
Elderly: No specific considerations mentioned; general management principles apply 4.
Comorbidities: Hypertension and renal artery stenosis may complicate post-procedural management, requiring careful monitoring 2.Key Recommendations
Perform percutaneous PFO closure for the prevention of recurrent thromboembolic events in appropriate patients (Evidence: Strong 1).
Cardiologists should evaluate asymptomatic patients with significant PFO, considering anatomical and functional risk factors for paradoxical embolism, and discuss closure options (Evidence: Expert opinion 3).
Post-procedural care should include vigilant monitoring for complications such as hypertension, which may mask underlying conditions like renal artery stenosis (Evidence: Moderate 2).References
1 Araszkiewicz A, Bartuś S, Demkow M, Grygier M, Huczek Z, Komar M et al.. Interventional closure of patent foramen ovale in prevention of thromboembolic events. Consensus document of the Association of Cardiovascular Interventions and the Section of Grown‑up Congenital Heart Disease of the Polish Cardiac Society. Kardiologia polska 2019. link
2 ElSeed Peterson EE, Mauriello D. Post-Patent Ductus Arteriosus ligation syndrome with hypertension and masking of renal artery stenosis in an infant. Cardiology in the young 2018. link
3 Rigatelli G, Cardaioli P, Chinaglia M. Asymptomatic significant patent foramen ovale: giving patent foramen ovale management back to the cardiologist. Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions 2008. link
4 Hays JT. Spontaneous aneurysm of a patent ductus arteriosus in an elderly patient. Chest 1985. link