Table 2 Hemodynamic variables preoperatively, at discharge and after one year

Peak gradient (mmHg):

71.7 ± 32.6

16.8 ± 9.1

5.9 ± 9.0

< 0.01

Mean gradient mmHg):

47.9 ± 22.8

8.7 ± 5.0

8.0 ± 4.8

< 0.01

EOA (cm²):

1.6 ± 1.8

2.0 ± 0.7

2.0 ± 0.7

ns

EOA index (cm²/m²):

0.8 ± 1.0

1.1 ± 0.4

1.1 ± 0.3

ns

Performance index:

0.3 ± 0.2

0.6 ± 0.2

0.6 ± 0.2

< 0.01

CO (l/min):

5.9 ± 1.6

5.8 ± 2.0

5.5 ± 1.4

< 001

CI (l/min/m²):

3.1 ± 0.8

3.1 ± 1.0

2.9 ± 0.6

0.01

HR (beat/min):

70 ± 11

81 ± 13

65 ± 13

< 0.01