Key result
Valve thrombosis is a rare but potentially fatal complication of TAVI, with risk factors including obesity, renal failure, thrombocytopenia, and use of balloon-expandable prostheses.
Advanced imaging with 4D-CT is crucial for diagnosing TAVI valve thrombosis, which is associated with specific patient and procedural risk factors and is typically treatable with oral anticoagulants.
Alerts clinicians to monitor for treatable TAVI thrombosis with 4D-CT; leaves open prospective trials on screening and anticoagulation duration.
Key Points Valve thrombosis is a rare but relevant and potentially fatal complication of transcatheter interventions (TAVI) that is usually resolved by oral anticoagulant therapy. Advanced imaging including 4D‐CT is pivotal for the diagnosis. Patient‐ and procedure‐related factors that increase the risk of valve thrombosis include obesity, renal failure, thrombocytopenia, valve‐in‐valve implantation, lack of predilation, and use of balloon‐expandable prosthesis.
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Franzone et al. (2021) conducted a review in Transcatheter aortic valve thrombosis. Transcatheter interventions (TAVI) was evaluated. Valve thrombosis is a rare but potentially fatal complication of TAVI, with risk factors including obesity, renal failure, thrombocytopenia, and use of balloon-expandable prostheses.
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