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Updated: May 3, 2026
10:52
Closure of a Patent Foramen Ovale PFO: An Intervention Sequence
Published on: December 23, 2022
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Ischaemic stroke with patent foramen ovale
Summary
Patent foramen ovale closure may reduce recurrent ischemic events in young stroke patients. However, definitive guidelines are lacking, and antiplatelet therapy remains the primary treatment choice.
Area of Science:
- Cardiology
- Neurology
- Medical Guidelines
Background:
- Lack of established guidelines for treating cerebral infarction linked to patent foramen ovale (PFO).
- Presents a case study of a young patient with PFO-related cerebral infarction.
- Reviews PFO prevalence, assessment, and treatment indications in ischemic stroke patients.
Observation:
- Transesophageal echocardiography with saline contrast is the gold standard for PFO detection.
- Current evidence on the benefits of PFO diagnosis and treatment remains inconclusive.
- Ongoing randomized trials are investigating antithrombotic therapy versus transcatheter closure for PFO.
Findings:
- No significant difference in outcomes between antithrombotic treatment and transcatheter closure in three randomized studies.
- Subgroup analyses suggest PFO closure may reduce recurrent ischemic events in younger patients (<50 years) with large PFOs.
- Antiplatelet therapy is currently the preferred treatment for most stroke patients with PFO.
Implications:
- The decision between lifelong antithrombotic therapy and transcatheter PFO closure for stroke patients is complex.
- Further well-designed studies are required to identify patient subgroups who would benefit most from PFO closure.
- This highlights the need for evidence-based guidelines for PFO management in ischemic stroke.
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