Aortic fibrous strands are considered residual tissue from aortic valve development.
Rupture of these strands is an important albeit uncommon cause of aortic regurgitation
(AR). The authors describe a 67-year-old man who was admitted to the authors’ hospital
with sudden onset shortness of breath and diagnosed with severe AR. The patient was
scheduled for Bentall surgery. The transesophageal echocardiogram (TEE) found multiple
fibrous strands that were present in multiple locations of the aortic valve, some
of which were ruptured. Ruptured fibrous strands are in the differential diagnosis
in patients presenting with acute AR without a more conventional explanation, and
TEE is instrumental in securing the diagnosis.
Key Words
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Published online: January 04, 2023
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