Background: Aortic valve fenestration (AVF) is a relatively common anatomical variation, while its rupture is a rare cause of aortic regurgitation (AR), especially following coronary angiography. This case report highlights the importance of echocardiographic evaluation and multidisciplinary discussion for the differential diagnosis of fibroelastoma or endocarditis.
Case Summary: A 66-year-old man presented with acute shortness of breath following coronary angiography for an inferior ST-elevation myocardial infarction. Echocardiography revealed severe aortic regurgitation associated with a filamentous mobile structure on the non-coronary cusp. A multidisciplinary discussion was conducted to determine the cause of the AR, leading to the patient undergoing aortic valve replacement. A gross inspection of the valve confirmed AVF rupture.
Conclusion: Iatrogenic AVF rupture following coronary angiography is an exceptionally rare complication. Thorough echocardiographic evaluation plays a significant role in differentiating AVF rupture from other valve pathologies, such as fibroelastoma, Lambl's excrescence, or endocarditis. Echocardiographic features, including a very thin, linear, and flail-like mobile lesion, the paracommissural location, frequent involvement of the non-coronary cusp, and an eccentric jet of the AR, are suggestive of AVF rupture. While medical history and clinical examination contribute to the diagnostic process, definitive diagnosis relies on surgery and anatomopathology.
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| http://dx.doi.org/10.1093/ehjcr/ytad485 | DOI Listing |
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