PATENT FORAMEN OVALE CLOSURE IN A PATIENT WITH PLATYPNEA-ORTHODEOXIA SYNDROME AND A THORACIC AORTIC ANEURYSM

Platypnea-orthodeoxia is a rare syndrome involving dyspnea and hypoxemia while upright usually due to a right to left shunt through a patent foramen ovale (PFO). It has been associated with thoracic aortic aneurysm, possibly due to anatomic effects on the atrial septum. A 65 year old female with a