The changing landscape of aortic valve replacement in the USA

AIMS The aim of this study was to analyse the real-world national data on parallel utilisation of transcatheter (TAVR) and surgical (SAVR) aortic valve replacement. METHODS AND RESULTS We queried an all-payer, administrative United States in-patient database to identify all AVR hospitalisations in patients aged ≥18 years from January 2012 to December 2016 and examined the temporal changes in the number of AVR procedures and in-hospital mortality. A total of 463,675 AVRs were performed - 363,275 (78.4%) SAVR and 100,400 (21.6%) TAVR. AVR linearly increased (from 78,985 in 2012 to 103,415 in 2016; +30.9%; ptrend