Design and Rationale of the Evaluation of Transcatheter Aortic Valve Replacement Compared to SurveilLance for Patients with AsYmptomatic Severe Aortic Stenosis: The EARLY TAVR Trial.

• For patients with asymptomatic, severe aortic stenosis (AS) and preserved left ventricular ejection fraction, current guidelines recommend clinical surveillance every 6 to 12 months. To date, no randomized trials have examined whether an early intervention with transcatheter aortic valve replacement (TAVR) will improve outcomes among these patients.EARLY TAVR is a prospective, randomized, controlled, multicenter trial, with an event-based design. Asymptomatic severe AS patients (n=900) are randomized 1:1 to either clinical surveillance or TAVR with the Edwards SAPIEN 3/SAPIEN 3 Ultra transcatheter heart valve. Patients are stratified by whether they are able to perform a treadmill stress test. The primary endpoint is death, stroke, or unplanned cardiovascular hospitalization. Patients who are asymptomatic but have a positive stress test will be followed in a registry and undergo aortic valve replacement as per current guidelines.EARLY TAVR is the largest randomized trial to date assessing the role of early intervention among patients with asymptomatic severe AS compared to clinical surveillance, and the first to study the role of TAVR.NCT03042104.

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MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kardiologi (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)

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