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Table 2 Baseline imaging characteristics

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

 Overall (n = 80)MCRSP + a (n = 33)MCRSP – (n = 47)p
Mitral Regurgitation
Regurgitant Severity
  Regurgitant fraction (%)56 ± 1653 ± 1258 ± 190.19
  EROA (cm2)0.6 ± 0.30.5 ± 0.30.6 ± 0.30.18
  Regurgitant volume (ml)88 ± 3980 ± 3594 ± 410.13
Mitral Valve Morphology
  Prolapse37% (30)39% (13)36% (17)0.77
  Mitral annular calcification41% (33)45% (15)38% (18)0.52
  Mitral valve thickening57% (46)55% (18)60% (28)0.65
  Flail pathology14% (11)12% (4)15% (7)1.00
 Left Ventricle
  Ejection fraction (%)49 ± 1548 ± 1549 ± 150.99
  Global Longitudinal Strain (%)15.8 ± 5.316.1 ± 4.815.3 ± 5.70.48
  End-diastolic diameter (cm)6.0 ± 0.85.8 ± 0.76.2 ± 0.80.007
  End-diastolic volume (ml/m2)104 ± 3094 ± 25111 ± 310.01
  End-systolic diameter (cm)4.5 ± 1.14.3 ± 1.04.7 ± 1.10.10
  End-systolic volume (ml/m2)56 ± 3249 ± 2761 ± 340.12
  Mitral Annular Diameter3.36 ± 0.493.19 ± 0.453.48 ± 0.490.009
  Myocardial mass (g/m2)112 ± 31107 ± 28116 ± 330.21
  Relative wall thickness0.26 ± 0.050.28 ± 0.050.25 ± 0.050.02
 Left Atrium
  Diameter (cm)5.0 ± 1.14.8 ± 1.05.2 ± 1.10.10
  2-Chamber area (cm2)32 ± 1229.0 ± 7.634.5 ± 13.30.03
  4-Chamber area (cm2)33 ± 1028.6 ± 7.435.4 ± 10.80.003
  Volume (ml/m2)73 ± 3762 ± 2782 ± 410.01
  Global Circumferential Strain (%)13.4 ± 7.215.5 ± 7.612.0 ± 6.60.03
  Global Longitudinal Strain (%)12.5 ± 5.114.1 ± 5.711.5 ± 4.30.02
  Ejection Fraction (%)35 ± 1537 ± 1533 ± 160.19
 Right Ventricle
  TAPSE (cm)1.8 ± 0.61.8 ± 0.51.8 ± 0.60.55
  S′ (cm/s)10.7 ± 3.010.3 ± 2.711.1 ± 3.20.23
 Pulmonary artery systolic pressure (mmHg)52 ± 1655 ± 1851 ± 140.21
  1. aOptimal MCRSP defined as ≤ mild MR after MitraClip
  2. Data in bold are significant