Key result
TAVI succeeds without complications in a rare single coronary artery and BAV case.
Why the study?
The coexistence of a single coronary artery and a bicuspid aortic valve with severe aortic stenosis is extremely rare, with no prior reports of TAVI in this setting.
Case Report (n=1)
Demonstrates the feasibility of TAVI in a patient with the extremely rare combination of a single coronary artery and a bicuspid aortic valve.
Supports TAVI feasibility in rare single coronary-bicuspid anatomy; hypothesis-generating, requiring validation before broader application.
A single coronary artery is a rare congenital abnormality which consists of one coronary artery arising from the aortic trunk by a single coronary ostium and providing the perfusion of the entire myocardium. Its prevalence is approximately 0.024-0.066% of the population undergoing coronary angiography. A bicuspid aortic valve is the most common congenital cardiac abnormality and is found in 0.4-2.25% of the population. The coexistence of these two abnormalities together with severe aortic stenosis is extremely rarer. We report a patient who underwent transcatheter aortic valve implantation (TAVI) with a single coronary artery and a bicuspid valve. The procedure was successful, and the patient was discharged home without complication. To the best of our knowledge, this is the first report of these combined abnormalities and TAVI.
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Bertin et al. (2020) conducted a case report in Severe aortic stenosis with single coronary artery and bicuspid aortic valve (n=1). Transcatheter aortic valve implantation (TAVI) was evaluated on Procedural success and complication-free discharge. Transcatheter aortic valve implantation (TAVI) was successfully performed without complications in a patient with the extremely rare coexistence of a single coronary artery and a bicuspid aortic valve.
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