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

From: The Scandinavian multicenter hemodynamic evaluation of the SJM Regent aortic valve

  Preoperatively Discharge One year p
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
  1. EOA: effective orifice area, EOA index; effective orifice area index, CO; cardiac output, CI; cardiac index, HR; heart rate.