Table 1.

Inclusion criteria and exclusion criteria.

Standards	Contents
Inclusion criteria
	Age ≥ 55 years
	Symptomatic severe AR
	American Association of Chest Physicians score > 4%
	New York Heart Association grades II–IV
	MDCT evaluation anatomy appropriate for TAVR treatment
Exclusion criteria
	Acute myocardial infarction within 30 days
	Left ventricular ejection fraction ≤ 20%
	Life expectancy < 1 year
	Mild to moderate AR
	With moderate to severe aortic stenosis
	Previous aortic valve replacement
	Inappropriate MDCT evaluation anatomy
	Other THV treatments

Note: AR = aortic regurgitation; MDCT = multi-detector computed tomography; TAVR = transcatheter aortic valve replacement; THV = transcatheter heart valve.