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Updated: Feb 11, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Platypnea-orthodeoxia syndrome associated with aortic insufficiency and aortic elongation
Yoshiharu Soga1, Hiromasa Kira1, Tomoyuki Ikeda2
1Department of Cardiovascular Surgery, Nagahama City Hospital, Nagahama, Japan.
Abstract:
An 81-year-old female developed dyspnea only upon assuming a sitting position. Trans-esophageal echocardiography demonstrated left-to-right shunt flow across the atrial septum when the patient was sitting, and right-to-left shunt flow when she was supine, along with severe aortic insufficiency. She was diagnosed as having platypnea-orthodeoxia syndrome and her symptoms were completely resolved following aortic valve replacement, closure of a patent foramen ovale, and shortening of an elongated ascending aorta.
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