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Analysis of United States and Japanese TAVR Registries Supports Feasibility of International Comparisons

March 4, 2022—The Joint Data Harmonization Initiative of the Society of Thoracic Surgeons /American College of Cardiology Transcatheter Valve Therapy (STS/ACC TVT) registry and Japanese Transcatheter Valvular Therapy (J-TVT) registry conducted a study comparing postapproval national clinical registry data on transcatheter aortic valve replacement (TAVR) between the United States and Japan on patient characteristics, periprocedural outcomes, and the variability of outcomes as a part of the Harmonization-by-Doing partnership program between the two countries.