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Updated: Jul 16, 2026

Closure of a Patent Foramen Ovale (PFO): An Intervention Sequence
Published on: December 23, 2022
When and how to fix a 'hole in the heart': approach to ASD and PFO
1Adult Congenital Heart Disease Services, Division of Cardiovascular Medicine, Cleveland Clinic, OH 41195, USA. krasusr@ccf.org
Abstract:
Abnormalities in the atrial septum range in severity from patent foramen ovale (PFO), a residual cardiac structure found in approximately 25% of the general population, to uncommon, complex lesions associated with significant shunt flow and heart enlargement. While correcting some of these abnormalities is beneficial, most other defects warrant correction only under very specific circumstances.
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