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Table 2 Preoperative echocardiographic data between groups

From: Early and mid-term outcome in terms of functional and hemodynamic performance of the st. Jude regent 19-mm aortic mechanical prosthesis versus 19-mm carpentier edwards aortic biological prosthesis

Variables Group I Group II p-value
  (n = 251) (n = 54)  
Diameter of the ascending aorta (mm) 29.3 ± 4.8 28.8 ± 5.3 0.5
Diameter of the left atrium (mm) 47 ± 10.5 45 ± 5 0.17
End-diastolic right ventricle diameter (mm) 22.3 ± 7.2 22.7 ± 6.8 0.71
End-diastolic LV diameter (mm) 48 ± 7.2 47.8 ± 7.6 0.86
End-systolic LV diameter (mm) 27.3 ± 7.6 28.3 ± 6.3 0.37
End-diastolic IVS thickness (mm) 13.3 ± 2.5 13.5 ± 3 0.61
End-systolic IVS thickness (mm) 17.8 ± 3.5 18 ± 5.4 0.73
End-diastolic LV PW thickness (mm) 11.2 ± 1.7 11.6 ± 2.5 0.16
End-systolic LV PW thickness (mm) 17.5 ± 3.5 17.7 ± 3.8 0.71
Shortening Fraction (%) 43.17 ± 8.6 45 ± 11 0.18
End-diastolic LV volume (ml) 101.5 ± 34.2 105 ± 31 0.49
End-systolic LV volume (ml) 44.2 ± 25 46 ± 20 0.62
Indexed end-diastolic LV volume (ml/mq) 60.4 ± 20 62 ± 23 0.61
Indexed end-systolic LV volume (ml/mq) 26.6 ± 15 27 ± 11 9.85
Left ventricular ejection fraction (%) 56.8 ± 12.6 54 ± 17 0.17
VmaxE (cm/s) 112 ± 58 120 ± 52 0.35
VmaxA (cm/s) 124 ± 41.5 132 ± 39 0.2
Mitral valve regurgitation grade 2.13 ± 0.8 1.97 ± 0.9 0.19
Peak pulmonary artery pressure (mmHg) 49.3 ± 14.7a 48 ± 12a 0.55
Left ventricular mass (gm) 271 ± 58 285 ± 60 0.11
Left ventricular mass index (gm/m2) 162.5 ± 34 168 ± 30 0.27
Peak transvalvular gradient (mmHg) 102.4 ± 24 108 ± 23 0.12
Mean transvalvular gradient (mmHg) 61 ± 16 60 ± 10 0.66
Aortic valve regurgitation grade 2.1 ± 0.8 2 ± 0.6 0.39
Peak trans tricuspid valve gradient 39.6 ± 12 37.5 ± 14 0.26
R/spess 2.13 ± 0.5 2.2 ± 0.7 0.39
R/spessmed 2.16 ± 1.16 2 ± 1.1 0.35
  1. LV left ventricle, IVS Interventricular septum, PW posterior wall