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Table 3 Hemodynamic variables at rest and during maximal stress (n = 61)

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

  Rest Peak stress p
Heart rate (beat/min): 63 ± 11 109 ± 21 < 0.001
CO (l/min): 5.5 ± 1.4 10.2 ± 3.2 < 0.001
Peak gradient (mmHg): 15.9 ± 9.2 38.3 ± 19.8 < 0.001
Mean gradient mmHg): 8.0 ± 4.8 18.7 ± 10.0 < 0.001
EOA (cm2): 2.0 ± 0.7 2.2 ± 0.8 ns
EOA index (cm2/m2): 1.1 ± 0.4 1.2 ± 0.4 ns
Performance index: 0.55 ± 0.16 0.59 ± 0.20 ns
Ejection fraction (%): 57.8 ± 10.5 69.1 ± 8.6 < 0.001