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Table 2 Pre- and postoperative three-dimensional echocardiographic annular and leaflet tethering variables

From: Intraoperative post-annuloplasty three-dimensional valve analysis does not predict recurrent ischemic mitral regurgitation

   Preoperative Postoperative
Variablea Normal (n = 21) Non-recurrent IMR (n = 26) Recurrent IMR (n = 9) Total (n = 35) Non-recurrent IMR (n =26) Recurrent IMR (n = 9) Total (n = 35)
Septolateral diameter, mm 28.7 ± 5.1 31.5 ± 4.0 31.2 ± 5.6 31.4 ± 4.4d 22.7 ± 4.2 21.2 ± 2.5 22.3 ± 3.9c,e
Commissural width, mm 31.4 ± 3.2 32.4 ± 5.5 31.3 ± 7.4 32.1 ± 6.0 29.3 ± 3.3 28.2 ± 2.4 29.0 ± 3.1c,e
Mitral annular area, mm2 786 ± 155 949 ± 232 923 ± 300 942 ± 247d 582 ± 158 536 ± 71 571 ± 141c,e
Mitral valve tethering volume, mm3 1771 ± 689 2748 ± 1631 3589 ± 1782 2964 ± 1686d 1879 ± 1211 1602 ± 537 1808 ± 1078c
Mitral valve tethering index 2.25 ± 0.70 2.80 ± 1.23 3.68 ± 1.13 3.03 ± 1.25d 3.03 ± 1.26 2.98 ± 0.84 3.01 ± 1.15e
Segmental tethering angle, °
 A1 18.4 ± 9.2 19.4 ± 8.6 24.2 ± 7.8 20.6 ± 8.6 27.2 ± 11.4 26.6 ± 12.1 27.1 ± 11.4c,e
 A2 15.0 ± 8.2 26.5 ± 11.2 32.5 ± 12.3 28.1 ± 11.6d 26.9 ± 12.5 31.9 ± 12.3 28.2 ± 12.4e
 A3 9.5 ± 6.4 13.8 ± 12.1 22.8 ± 10.4 16.2 ± 12.2d 24.1 ± 10.0 29.2 ± 6.1 25.4 ± 9.4c,e
 P1 16.5 ± 8.5 23.3 ± 12.9 28.5 ± 6.2 24.6 ± 11.7d 43.2 ± 13.6 46.5 ± 9.4 44.1 ± 12.6c,e
 P2 17.9 ± 12.0 27.4 ± 17.4 42.5 ± 9.1b 31.3 ± 16.9d 53.8 ± 11.6 51.7 ± 12.9 53.3 ± 11.8c,e
 P3 14.0 ± 7.6 18.4 ± 14.1 33.8 ± 4.2b 22.3 ± 14.0d 43.7 ± 11.8 42.0 ± 11.6 43.3 ± 11.6c,e
  1. IMR ischemic mitral regurgitation
  2. aData are presented as mean ± standard deviation
  3. bP < 0.05 recurrent vs non-recurrent
  4. cP < 0.05 post-repair vs pre-repair
  5. dP < 0.05 pre-repair vs normal
  6. eP < 0.05 post-repair vs normal