Key result
Balloon- and self-expanding TAVI prostheses lack direct comparative data.
Why the study?
Does balloon-expandable TAVI differ from self-expandable TAVI in clinical outcomes for patients with severe aortic stenosis?
Does balloon-expandable TAVI differ from self-expandable TAVI in clinical outcomes for patients with severe aortic stenosis?
This review summarizes current data on balloon- versus self-expandable TAVI prostheses, highlighting the need for direct comparative trials.
Insufficient head-to-head data preclude evidence-based TAVI valve selection; leaves open differential outcomes and underscores need for randomized trials.
Transcatheter aortic valve implantation (TAVI) has become an effective treatment option for patients with severe aortic stenosis and high surgical risk or contraindications for surgical aortic valve replacement. Most of the currently available prostheses employ either balloon-expandable or self-expandable designs. Presently, there is a paucity of data directly comparing these two widely used prosthesis types. Forthcoming trials will reveal whether newer designs of both technologies translate into fewer complications and better outcomes, with expansion of TAVI indications. This manuscript reviews features and clinical outcomes of balloon- and self-expanding prostheses, summarising current data from registries and trials.
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John et al. (2015) conducted a review in severe aortic stenosis. Balloon- and self-expanding TAVI prostheses was evaluated. A review of balloon- and self-expanding TAVI prostheses reveals a paucity of direct comparative data between the two designs.
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