Table 2

Preoperative echocardiographic parameters and operative procedures

Repair (N=397)Replacement (N=52)p Value
Echocardiographic data
 Tricuspid regurgitation jet area, cm219.4±6.429.1±15.1<0.001
 Leaflet abnormality, n (%)71 (17.9)16 (30.8)0.026
  Prolapse21 (5.3)6 (11.5)
  Thickening48 (12.1)10 (19.2)
  Thickening+prolapse2 (0.5)0
 RV end-systolic dimension, mm31.5±5.931.8±9.70.93
 RV end-diastolic dimension, mm39.4±7.439.8±9.70.88
 LV ejection fraction, %55.8±9.058.6±8.50.037
 LV end-systolic dimension, mm36.4±8.531.8±7.6<0.001
 LV end-diastolic dimension, mm53.5±9.947.8±8.7<0.001
 LV mass, g211.9±95.2162.6±76.6<0.001
 Left atrial dimension, mm59.2±13.751.6±12.9<0.001
 Trans TV pressure gradient (systolic), mm Hg42.1±18.530.8±14.5<0.001
Combined operation, n (%)
 None50 (12.6)29 (55.8)<0.001
 Left-side valve surgery341 (85.9)18 (34.6)<0.001
  Aortic valve16 (4.0)1 (1.9)
  Mitral valve276 (69.5)13 (25.0)
  Aortic+mitral valve49 (12.3)4 (7.7)
 Coronary artery bypass grafting13 (3.3)00.38
 ASD or VSD closure18 (4.5)2 (3.8)0.82
 Others9 (2.3)3 (5.8)0.14
TV repair, n (%)
 No annuloplasty3 (0.8)NANA
 Ring annuloplasty269 (67.8)NANA
 Suture annuloplasty125 (31.5)NANA
 TV leaflet procedure41 (10.3)NANA
TV replacement, n (%)
 Mechanical prosthesisNA33 (63.5)NA
 BioprosthesisNA19 (36.5)NA
Surgical approach, n (%)0.090
 Sternotomy347 (87.4)41 (78.8)
 Right mini-thoracotomy50 (12.6)11 (21.2)
  • ASD, atrial septal defect; LV, left ventricle; RV, right ventricle; TV, tricuspid valve; VSD, ventricular septal defect.