ABC | Volume 111, Nº2, August 2018

Original Article Arq Bras Cardiol. 2018; 111(2):193-202 Miyazaki et al Videodensitometry assessment of AR to guide TAVI Ethics approval and consent to participate This study used data from the Brazilian TAVI Registry. This Registry was approved by the Ethics Committe of all the 1. Kodali SK,WilliamsMR, Smith CR, Svenson LG,Webb JG, Makkan RR, et al. Two-year outcomes after transcatheter or surgical aortic-valve replacement. N Engl J Med. 2012; 366(18): 1686-95. 2. Kodali S, Pibarot P, Douglas PS,Williams M, Yu K, Thourani V, et al. Paravalvular regurgitation after transcatheter aortic valve replacement with the Edwards sapien valve in the PARTNER trial: characterizing patients and impact on outcomes. Eur Heart J . 2015; 36(7): 449-56. 3. Athappan G, Patvardhan E, Tuzcu EM, Svenson LG, Lemos PA, Fraccaro C, et al. Incidence, predictors, and outcomes of aortic regurgitation after transcatheter aortic valve replacement: meta-analysis and systematic review of literature. 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Catheter Cardiovasc Interv . 2017; 30(4):690-700. 28. Barbanti M, Yang TH, Rodes Cabau J, Tamburino C, Wood DA, Jilaihawi H, et al. Anatomical and procedural features associated with aortic root rupture during balloon-expandable transcatheter aortic valve replacement. Circulation . 2013; 128(3):244-53. References Institutions participating, and all patients included prospectively provided written informed consent. All procedures were in accordance with the Decalration of Helsinki. 201