Why the study?
Contemporary consensus advocates an individualized approach to TAVR with selective balloon pre- and post-dilation rather than routine use, warranting an outline of their advantages, disadvantages, and specific indications.
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Balloon pre- and post-dilation during TAVR are no longer considered mandatory and should be applied selectively based on individualized patient and procedural factors.
Transcatheter aortic valve replacement (TAVR) is an established treatment for patients with symptomatic severe aortic stenosis. In recent years, an emphasis has been placed on simplification of the procedure. Balloon predilation was initially considered a mandatory step to cross and prepare the stenotic aortic valve, but several studies demonstrated the feasibility of performing TAVR without balloon valvuloplasty. Balloon postdilation of the implanted valve is sometimes required to optimise results, although many patients do not require this step. Contemporary consensus advocates an individualised approach to TAVR procedures and so balloon pre- and post-dilation are performed selectively. This review aims to outline the advantages and disadvantages of balloon pre- and post-dilation and to identify the scenarios in which they are required during TAVR procedures.
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McInerney et al. (2021) studied this question.
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