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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