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Aortic stenosis is highly prevalent in the elderly, when symptomatic, is associated with high mortality. Although its treatment is mainly surgical, cumulative evidence has demonstrated that transcatheter aortic valve implantation is an effective and safe treatment option for selected patients, especially for inoperable and high-risk patients. The aim of this review is to discuss the advances in current and emergent devices, with special focus on clinical and safety outcomes in randomized clinical trials and registries.