Quantitative analysis of mitral valve morphology in atrial functional mitral regurgitation using real-time 3-dimensional echocardiography atrial functional mitral regurgitation

Table 2 Measurements on Transthoracic Echocardiography

variable	Control (n = 25)	Patients with AF (n = 168)		P
variable	Control (n = 25)	MR- Group (143)	MR+ Group (n = 25)	P
LV end-diastolic diameter, mm	44 ± 2	46 ± 4	46 ± 3	0.17
LV end-systolic diameter, mm	30 ± 2	30 ± 3	31 ± 3	0.31
LV end-diastolic volume, ml	85 ± 8	87 ± 11	89 ± 12	0.20
LV end-systolic volume, ml	30 ± 4	32 ± 5	31 ± 5	0.30
LV ejection fraction, %	64 ± 5	64 ± 4	64 ± 2	0.66
LA anterior-posterior Diameter, mm	34 ± 2	39 ± 5*	41 ± 4*	<0.01
LA volume, ml	57 ± 5	81 ± 18*	98 ± 22*^,#	<0.01
E/E’	8.0 ± 0.9	8.2 ± 0.8	9.2 ± 1.2*^#	<0.01
Mitral regurgitation severity
Regurgitation area, cm²		1.84 ± 0.52	4.37 ± 0.68^#	<0.01
EROA, cm²		0.18 ± 0.07	0.47 ± 0.07^#	<0.01

LV left ventricle, LA left atrium, EROA effective regurgitant orifice area. *P <0.01 vs. controls, #P<0.01 vs. MR-Group

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