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Cardiovascular Images
September 14, 2022

Prosthetic Mechanical Aortic Valve Thrombosis

Author Affiliations
  • 1Department of Diagnostic Imaging and Intervention, Akershus University Hospital, Lørenskog, Norway
  • 2Institute of Clinical Medicine, Akershus University Hospital Campus, University of Oslo, Lørenskog, Norway
JAMA Cardiol. 2022;7(9):e221951. doi:10.1001/jamacardio.2022.1951

A man in his 60s with a history of metastatic prostate carcinoma, calcified bicuspid aortic stenosis, and aortic valve replacement 17 years ago presented to the emergency department with increasing shortness of breath. An outpatient cardiac electrocardiogram-gated computed tomography (CT) showed normal coronary arteries with a small, irregular perivalvular mass at the leaflet hinge point and reduced leaflet mobility, suggestive of obstructive valve thrombosis (Figure, A). Acute thrombolytic therapy was administered without any complications. Follow-up cardiac CT 3 days later showed normal leaflet motion and resolution of the thrombus (Figure, B). The patient was discharged with an adjusted anticoagulation regimen.

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