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Table 3 Three-Dimensional Mitral Valve Geometry

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

variable Control (n = 25) Patients with AF (n = 168) P
MR- Group (143) MR+ Group (n = 25)
Annulus
 Area cm2 8.86 ± 1.03 9.53 ± 1.42* 12.66 ± 0.85*# <0.01
 Circumference mm 108 ± 9 115 ± 8* 134 ± 13*# <0.01
 Anteroposterior diameter mm 30.6 ± 2.4 32.0 ± 20.4 32.9 ± 20.4 0.90
 Commissural width mm 36.3 ± 2.3 38.3 ± 3.0* 41.0 ± 3.8*# <0.01
 High mm 7.6 ± 2.0 6.3 ± 1.5* 6.2 ± 2.2* <0.01
 AHCWR % 19.4 ± 4.3 17.3 ± 4.4 15.2 ± 5.1* <0.01
Leaflet
 Anterior leaflet surface area cm2 5.38 ± 0.99 5.34 ± 1.81 6.81 ± 1.91*# <0.01
 Posterior leaflet surface area cm2 5.96 ± 1.37 5.41 ± 1.49 6.14 ± 1.30 0.03
 MV tenting volume ml 1.72 ± 0.73 1.72 ± 0.89 2.67 ± 1.07*# <0.01
  1. AHCWR annular height-to-commissural width ratio, MV mitral valve
  2. P <0.05 vs. controls, ‡P <0.05 vs. MR-Group. *P <0.01 vs. controls, #P <0.01 vs. MR-Group