At Discharge (n = 30) At 6 months (n = 27) After 1 year (n = 22)
Peak Gradient 22 ± 9.7 18 ± 4.8 19 ± 5.6
Mean Gradient 11 ± 2.9 10 ± 2.6 11 ± 1.8
EOA 1.5 ± 0.7 1.6 ± 0.4 1.5 ± 0.9
PVL Nil Nil Nil
AR Nil Nil Nil
EF (%) > 50 35 – 50 < 35 07 21 02 08 17 02 09 13 00