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An Unusual Approach for Platypnea-Orthodeoxia Syndrome Due to Isolated Pulmonary Arteriovenous Malformations

Tahir Bezgin, MD; Aziz Inan Celik, MD; Nart Zafer Baytugan, MD; Suleyman Karakoyun, MD, PhD; Metin Cagdas, MD, PhD

10/26/2023
Video. Pulmonary angiography demonstrated giant right-sided pulmonary AVMs, small left-sided malformations, and atrial septal defect closure device implantation.

 

Video Supplement to "An Unusual Approach for Platypnea-Orthodeoxia Syndrome Due to Isolated Pulmonary Arteriovenous Malformations" (October 2023 Clinical Image).

 

A 27-year-old man presented to the emergency department with complaints of syncope, dyspnea, and fatigue. Physical examination revealed left-sided mild hemiparesis, platypnea, and continuous murmur on right middle lobe lung auscultation. Pulse oximetry analysis revealed worsening hypoxemia during the upright position (78%) and ameliorating hypoxemia during the supine position (84%). Thoracic computed tomographic angiography (CTA) demonstrated multiple pulmonary arteriovenous malformations (PAVM). We suspected hereditary hemorrhagic telangiectasia. However, the patient did not meet the other diagnostic criteria except for PAVMs. Pulmonary angiography was performed to demonstrate the PAVMs in detail, and it was determined that the right-sided malformations were enormous, while the left-sided malformations were relatively small

© 2023 HMP Global. All Rights Reserved.
Any views and opinions expressed are those of the author(s) and/or participants and do not necessarily reflect the views, policy, or position of The Journal of invasive Cardiology or HMP Global, their employees, and affiliates. 

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