Table 1

Overview of studies on assessment of mitral regurgitation with CMR

First author and reference	Year	n	Reported level of measurement
Hundley et al1	1995	17	2 to 4 cm above the aortic valve
Kizilbash et al	1998	22	Ascending aorta, well above the aortic valve and coronary ostia
Gelfand et al	2006	83	The axial plane at the level of the bifurcation of the pulmonary artery
Buck et al	2008	73	Orthogonal to the mid-ascending aorta
Uretsky et al12	2010	23	Not reported
Myerson et al10	2010	55	Just above the aortic valve
Shanks et al	2010	30	2 to 5 cm above the aortic valve, where the aorta was nearly parallel to the caudal cranial axis of the patient, in the axial orientation
Hamada et al	2012	43	10 mm above the tip of the aortic valve
Cawley et al	2013	26	Aortic valve
Van De Heyning et al	2013	38	Ascending aorta
Thavendiranathan et al	2013	30	1 to 2 cm above the aortic valve
Choi et al	2014	52	2 to 3 cm above the aortic valve
Uretsky et al11	2015	103	Not reported
Sachdev et al13	2017	58	Not reported
Lopez-Mattei et al	2016	70	Sinotubular junction
Aplin et al22	2016	72	Sinotubular junction
Myerson et al23	2016	109	Just above the aortic valve at end diastole or at the sinotubular junction
Harris et al	2017	22	Across the aortic valve
Polte et al	2017	40	Sinotubular junction
Heo et al	2017	37	2 to 3 cm above the aortic valve
Penicka et al24	2018	258	2 to 3 cm above the aortic valve
Chew et al30	2019	109	At the aortic sinotubular junction or just above the valve prosthesis post-replacement