Remodeling on Lateral Side of Posterior Mitral Leaflet in Recurrent Mitral Regurgitation after Mitral Annuloplasty for Patients with Atrial Functional Mitral Regurgitation

Table 4

Geometric analysis of preoperative mitral valve by three-dimensional transesophageal echocardiography.

	Recurrent MR (−) (n = 14)	Recurrent MR (+) (n = 6)	value
Mitral annulus
Anteroposterior diameter, mm	36 ± 5	40 ± 5	0.086
Anterolateral-posteromedial diameter, mm	35 ± 5	41.2 ± 6.5	0.021^※
Circumference, mm	124 ± 12	137 ± 11	0.020^※
Mitral leaflets
AML angle, °	13 ± 6	16 ± 6	0.180
PML angle, °	34 ± 12	37 ± 16	0.671
AML area, mm^2	848 ± 168	932 ± 144	0.263
PML area, mm^2	552 ± 144	797 ± 231	0.008^※
Length of MV A1, mm	19 ± 5	19 ± 4	0.902
Length of MV A2, mm	27 ± 4	28 ± 4	0.364
Length of MV A3, mm	21 ± 5	24 ± 3	0.282
Length of MV P1, mm	10 ± 3	15 ± 5	0.002^※
Length of MV P2, mm	11 ± 4	14 ± 4	0.225
Length of MV P3, mm	8 ± 3	10 ± 3	0.131
Thickness of MV A1, mm	2.0 ± 0.6	2.3 ± 0.5	0.170
Thickness of MV A2, mm	1.9 ± 0.4	2.1 ± 0.4	0.440
Thickness of MV A3, mm	1.9 ± 0.6	2.1 ± 0.4	0.659
Thickness of MV P1, mm	2.1 ± 0.5	3.5 ± 1.0	0.001^※
Thickness of MV P2, mm	1.9 ± 0.5	2.7 ± 0.7	0.005^※
Thickness of MV P3, mm	2.0 ± 0.5	2.3 ± 0.6	0.204

MR; mitral regurgitation, AML; anterior mitral leaflet, PML; posterior mitral leaflet, MV; mitral valve.