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When transcatheter aortic-valve replacement (TAVR) was first approved, treatment was confined to patients at high surgical risk, and late valve failure was rare due to the competing risk for mortality. With expansion of TAVR to intermediate- and low-risk patients, many of whom have long life expectancies, management of failed TAVR valves might become commonplace. Whether repeat TAVR is safe and provides acceptable outcomes is unknown, however. To evaluate the outcomes of valve-in-valve TAVR for transcatheter valve dysfunction, investigators pooled data from 37 high-volume TAVR centers.
Among 63,876 TAVR procedures, 212 (0.33%) were redo-TAVRs; 36% were performed within 1 year after initial TAVR (median, 68 days), predominantly for regurgitat…