A novel and practical cardiovascular magnetic resonance method to quantify mitral annular excursion and recoil applied to hypertrophic cardiomyopathy

Table 2 Comparison of median AVJ motion variables between healthy volunteers and HCM patients for the lateral and septal AVJ

	Median	25^thpercentile	75^thpercentile	Median	25^thpercentile	75^thpercentile	P
Lateral AVJ ^*	Control			HCM ^‡
MD ^§	-0.149	-0.165	-0.125	-0.107	-0.121	-0.083	<0.001
MVED ^\|\| (s ^-1 )	1.082	0.854	1.343	0.506	0.395	0.634	<0.001
VDS ^¶ (s ^-1 )	0.012	-0.008	0.037	0.067	0.047	0.078	<0.001
VDS/MVED	0.009	-0.006	0.037	0.141	0.073	0.166	<0.001
Septal AVJ	Control			HCM
MD	-0.149	-0.173	-0.130	-0.116	-0.130	-0.100	<0.001
MVED (s ^-1 )	0.947	0.628	1.033	0.537	0.406	0.635	0.001
VDS (s ^-1 )	0.027	0.004	0.060	0.074	0.040	0.109	0.006
VDS/MVED	0.029	0.004	0.056	0.126	0.090	0.249	<0.001

^*AVJ = atrioventricular junction; ^‡HCM = hypertrophic cardiomyopathy; ^§MD = maximum displacement; ^||MVED = maximum velocity early diastole; ^¶VDS = velocity diastasis.

ISSN: 1532-429X