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Case Reports in Pulmonology - Volume 2015 2015, Article ID 956341, 5 pages -

Case ReportDivision of Pulmonary, Allergy, Critical Care and Sleep Medicine and Division of Cardiology, Department of Medicine, University of Minnesota, MN 55455, USA

Received 19 August 2014; Accepted 13 January 2015

Academic Editor: Javier de Miguel-Díez

Copyright © 2015 John P. Berger et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Hypoxia is a well-recognized consequence of venous admixture resulting from right to left intracardiac shunting. Right to left shunting is usually associated with high pulmonary artery pressure or alteration in the direction of blood flow due to an anatomical abnormality of the thorax. Surgical or percutaneous closure remains controversial; however it is performed frequently for patients presenting with clinical sequela presumed to be resulting from paradoxical embolization secondary to right to left shunting. We report two patients with hypoxia and dyspnea due to right to left shunting through a patent foramen ovale PFO and venous admixture in the absence of elevated pulmonary artery pressures or other predisposing conditions like pneumonectomy or diaphragmatic weakness. Percutaneous closures of the PFOs with the self-centering Amplatzer device resulted in resolution of hypoxia and symptoms related to it.





Autor: John P. Berger, Ganesh Raveendran, David H. Ingbar, and Maneesh Bhargava

Fuente: https://www.hindawi.com/



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