title: Usefulness of percutaneous closure of patent foramen ovale for hypoxia.
abstract: We report a patient with hypoxia secondary to a right-to-left shunt through a patent foramen ovale, following aortic root, valve, and arch replacement due to an aortic dissection in the setting of the Marfan syndrome. Following the operation, he failed extubation twice due to hypoxia. An extensive workup revealed a right-to-left shunt previously not seen. The patent foramen ovale was closed using a percutaneous closure device. Following closure, our patient was extubated without difficulty and has done well postoperatively.
authors.affiliation: Division of Cardiology, Department of Internal Medicine, Baylor Hamilton Heart and Vascular Hospital and Baylor University Medical Center at Dallas.
authors.forename: Alyssa G
authors.initials: AG
authors.lastname: Munkres
authors.affiliation: Division of Cardiology, Department of Internal Medicine, Baylor Hamilton Heart and Vascular Hospital and Baylor University Medical Center at Dallas.
authors.forename: Timothy N
authors.initials: TN
authors.lastname: Ball
authors.affiliation: Division of Cardiology, Department of Internal Medicine, Baylor Hamilton Heart and Vascular Hospital and Baylor University Medical Center at Dallas.
authors.forename: Themistokles
authors.initials: T
authors.lastname: Chamogeorgakis
authors.affiliation: Division of Cardiology, Department of Internal Medicine, Baylor Hamilton Heart and Vascular Hospital and Baylor University Medical Center at Dallas.
authors.forename: Kenneth A
authors.initials: KA
authors.lastname: Ausloos
authors.affiliation: Division of Cardiology, Department of Internal Medicine, Baylor Hamilton Heart and Vascular Hospital and Baylor University Medical Center at Dallas.
authors.forename: Shelley A
authors.initials: SA
authors.lastname: Hall
authors.affiliation: Division of Cardiology, Department of Internal Medicine, Baylor Hamilton Heart and Vascular Hospital and Baylor University Medical Center at Dallas.
authors.forename: James W
authors.initials: JW
authors.lastname: Choi
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