Table 3 Open in new tab... | Oxford Academic

A-FMR group (n = 56)

V-FMR group (n = 79)

P-value

Mitral annulus

AP diameter, mm

32.7 ± 4.4

32.8 ± 4.2

0.699

ALPM diameter, mm

39.7 ± 4.9

40.6 ± 4.6

0.119

AP/ALPM

0.83 ± 0.06

0.81 ± 0.07

0.210

Annular height, mm

4.4 ± 0.9

4.2 ± 1.0

0.454

Annular height/ALPM, %

11.2 ± 2.7

10.5 ± 2.6

0.171

Circumference, mm

122 ± 13

125 ± 13

0.118

AA, mm²

1120 ± 262

1158 ± 262

0.208

Mitral leaflets (end-diastole)

TLA, mm²

1355 ± 309

1484 ± 312

0.005

AML area, mm²

740 ± 179

810 ± 191

0.011

PML area, mm²

615 ± 164

674 ± 153

0.017

Mitral leaflets (mid-systole)

Closed leaflet area, mm²

1223 ± 299

1358 ± 308

0.003

Tenting volume, mL

1.4 ± 1.1

3.3 ± 1.6

<0.001

Tenting volume index, mL/m²

0.75 ± 0.50

1.72 ± 0.84

<0.001

Tenting height, mm

4.7 ± 1.8

8.0 ± 2.6

<0.001

PML tethering height, mm

Lateral

6.6 ± 2.6

8.8 ± 2.5

<0.001

Central

7.2 ± 2.5

9.8 ± 2.8

<0.001

Medial

6.4 ± 2.2

9.0 ± 2.7

<0.001

PML tethering angle, °

Lateral

30 ± 11

39 ± 11

<0.001

Central

35 ± 11

45 ± 10

<0.001

Medial

29 ± 10

41 ± 11

<0.001

TLA/AA

1.21 ± 0.06

1.29 ± 0.08

<0.001

Coapted area, mm²

132 ± 40

126 ± 34

0.359

Table 3

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Three-dimensional mitral valve geometry

	A-FMR group (n = 56)	V-FMR group (n = 79)	P-value
Mitral annulus
AP diameter, mm	32.7 ± 4.4	32.8 ± 4.2	0.699
ALPM diameter, mm	39.7 ± 4.9	40.6 ± 4.6	0.119
AP/ALPM	0.83 ± 0.06	0.81 ± 0.07	0.210
Annular height, mm	4.4 ± 0.9	4.2 ± 1.0	0.454
Annular height/ALPM, %	11.2 ± 2.7	10.5 ± 2.6	0.171
Circumference, mm	122 ± 13	125 ± 13	0.118
AA, mm²	1120 ± 262	1158 ± 262	0.208
Mitral leaflets (end-diastole)
TLA, mm²	1355 ± 309	1484 ± 312	0.005
AML area, mm²	740 ± 179	810 ± 191	0.011
PML area, mm²	615 ± 164	674 ± 153	0.017
Mitral leaflets (mid-systole)
Closed leaflet area, mm²	1223 ± 299	1358 ± 308	0.003
Tenting volume, mL	1.4 ± 1.1	3.3 ± 1.6	<0.001
Tenting volume index, mL/m²	0.75 ± 0.50	1.72 ± 0.84	<0.001
Tenting height, mm	4.7 ± 1.8	8.0 ± 2.6	<0.001
PML tethering height, mm
Lateral	6.6 ± 2.6	8.8 ± 2.5	<0.001
Central	7.2 ± 2.5	9.8 ± 2.8	<0.001
Medial	6.4 ± 2.2	9.0 ± 2.7	<0.001
PML tethering angle, °
Lateral	30 ± 11	39 ± 11	<0.001
Central	35 ± 11	45 ± 10	<0.001
Medial	29 ± 10	41 ± 11	<0.001
TLA/AA	1.21 ± 0.06	1.29 ± 0.08	<0.001
Coapted area, mm²	132 ± 40	126 ± 34	0.359

	A-FMR group (n = 56)	V-FMR group (n = 79)	P-value
Mitral annulus
AP diameter, mm	32.7 ± 4.4	32.8 ± 4.2	0.699
ALPM diameter, mm	39.7 ± 4.9	40.6 ± 4.6	0.119
AP/ALPM	0.83 ± 0.06	0.81 ± 0.07	0.210
Annular height, mm	4.4 ± 0.9	4.2 ± 1.0	0.454
Annular height/ALPM, %	11.2 ± 2.7	10.5 ± 2.6	0.171
Circumference, mm	122 ± 13	125 ± 13	0.118
AA, mm²	1120 ± 262	1158 ± 262	0.208
Mitral leaflets (end-diastole)
TLA, mm²	1355 ± 309	1484 ± 312	0.005
AML area, mm²	740 ± 179	810 ± 191	0.011
PML area, mm²	615 ± 164	674 ± 153	0.017
Mitral leaflets (mid-systole)
Closed leaflet area, mm²	1223 ± 299	1358 ± 308	0.003
Tenting volume, mL	1.4 ± 1.1	3.3 ± 1.6	<0.001
Tenting volume index, mL/m²	0.75 ± 0.50	1.72 ± 0.84	<0.001
Tenting height, mm	4.7 ± 1.8	8.0 ± 2.6	<0.001
PML tethering height, mm
Lateral	6.6 ± 2.6	8.8 ± 2.5	<0.001
Central	7.2 ± 2.5	9.8 ± 2.8	<0.001
Medial	6.4 ± 2.2	9.0 ± 2.7	<0.001
PML tethering angle, °
Lateral	30 ± 11	39 ± 11	<0.001
Central	35 ± 11	45 ± 10	<0.001
Medial	29 ± 10	41 ± 11	<0.001
TLA/AA	1.21 ± 0.06	1.29 ± 0.08	<0.001
Coapted area, mm²	132 ± 40	126 ± 34	0.359

Data are presented as mean ± standard deviation.

AA, annular area; A-FMR, atrial functional mitral regurgitation; ALPM, anterolateral–posteromedial; AML, anterior mitral leaflet; AP, anteroposterior; PML, posterior mitral leaflet; TLA, total leaflet area; V-FMR, ventricular functional mitral regurgitation.

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