Late Coronary Obstruction After Implantation of Self-expandable Valves. Clinical and Angiographic Features of an Unexpected Complication

Martí, David; Valle, Raquel del; Álvarez, Salvador; Avanzas, Pablo; Rada, Ignacio; Morı́s, César

doi:10.1016/j.rec.2017.02.003

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2018

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“…While valve skirts are important for minimising paravalvular leak, DCO has occurred with self-expanding valves because of prosthesis skirt obstruction. 15 Theoretically, the chance of obstruction would be greater in high-implantation cases. Minimising the profile of the skirt could potentially prevent DCO.…”

Section: Low Profile Skirtmentioning

confidence: 99%

Delayed Coronary Occlusion After Transcatheter Aortic Valve Implantation: Implications for New Transcatheter Heart Valve Design and Patient Management

Jabbour

Tanaka

Colombo

et al. 2018

Interventional Cardiology Review

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Transcatheter aortic valve implantation has revolutionised the treatment of patients with severe aortic stenosis and is the preferred treatment option for patients with elevated surgical risk. Outcomes have continually improved, but because of the nature of the procedure infrequent catastrophic complications, such as coronary obstruction, persist. Recently, data were published regarding delayed coronary obstruction (DCO), a phenomenon in which the obstruction occurs after the index procedure. DCO has important consequences for future research. In this article we will explore the implications for new transcatheter heart valve design and approaches to patient management to minimise the risk of DCO occurring.

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Section: Low Profile Skirtmentioning

confidence: 99%