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Table 2 Comparison of transvalvular pressure gradient and effective orifice area for the new type of valved stents implanted within the native valve leaflets or in the ascending aorta

From: A new type of aortic valved stent with good stability and no influence on coronary artery

Flow rate (L/min) Transvalvular pressure gradient (Kpa) P value Effective orifice area (cm2) P value
  Within Ascending aorta   Within Ascending aorta  
1 0.64 ± 0.09 0.63 ± 0.08 0.9087 0.77 ± 0.17 0.77 ± 0.15 0.8885
2 0.69 ± 0.10 0.70 ± 0.06 0.7785 0.82 ± 0.19 0.81 ± 0.16 0.8302
3 0.75 ± 0.09 0.76 ± 0.07 0.8057 0.86 ± 0.16 0.87 ± 0.19 0.4519
4 0.80 ± 0.08 0.78 ± 0.07 0.0643 0.92 ± 0.17 0.91 ± 0.16 0.8736
5 0.86 ± 0.08 0.83 ± 0.07 0.2431 1.00 ± 0.17 0.99 ± 0.17 0.6475
6 0.90 ± 0.09 0.91 ± 0.10 0.5549 1.03 ± 0.15 1.02 ± 0.15 0.7291
7 0.93 ± 0.10 0.96 ± 0.10 0.5165 1.09 ± 0.16 1.08 ± 0.16 0.9161
8 1.04 ± 0.09 1.06 ± 0.10 0.6707 1.13 ± 0.16 1.12 ± 0.17 0.5842
9 1.10 ± 0.09 1.12 ± 0.10 0.6892 1.13 ± 0.15 1.12 ± 0.16 0.5234