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Table 3 Pre-procedural transesophageal echo mitral annular indices relation to MitraClip response

From: Transcatheter MitraClip repair alters mitral annular geometry – device induced annular remodeling on three-dimensional echocardiography predicts therapeutic response

 MCRSP + a (n = 26)MCRSP – (n = 40)p
Mitral Annular Area (cm2)12.85 ± 1.9015.28 ± 3.480.001
(cm2/m2)7.07 ± 1.028.49 ± 2.06< 0.001
Annular Circumference (cm)13.10 ± 0.9714.27 ± 1.540.001
(cm/m2)7.23 ± 0.837.95 ± 1.250.01
Antero-Posterior Diameter (cm)3.76 ± 0.364.12 ± 0.530.003
Anterolateral-Posteromedial Diameter (cm)4.20 ± 0.384.54 ± 0.510.005
Annular Height (cm)0.72 ± 0.170.82 ± 0.240.06
Nonplanar Angle (°)154.05 ± 9.98150.06 ± 12.400.17
Tenting Volume (cm3)3.54 ± 1.864.22 ± 1.700.14
Tenting Area (cm2)1.80 ± 0.782.09 ± 0.750.13
Tenting Height (mm)8.63 ± 3.069.92 ± 2.790.08
Anterior Leaflet Angle (°)36.53 ± 14.8635.05 ± 13.490.68
Posterior Leaflet Angle (°)18.97 ± 6.4521.90 ± 7.390.10
  1. aOptimal MCRSP defined as ≤ mild MR after MitraClip
  2. Data in bold are significant