Table 1

Compiled Results

VariableSample Size (n)Safety ThresholdControlNormal+3 mm+6 mm+8 mm
Mean TVPG (mm Hg)2002013.07 ± 0.1633.10 ± 0.3724.69 ± 0.3819.16 ± 0.2612.98 ± 0.25
GOA (cm2)411.78 ± 0.010.83 ± 0.010.99 ± 0.011.20 ± 0.011.60 ± 0.02
EOA (cm2)20011.28 ± 0.010.80 ± <0.010.93 ± <0.011.06 ± <0.011.28 ± 0.01
Maximal VSS (dyne/cm2)91.612.05 ± 0.351.53 ± 0.211.31 ± 0.280.63 ± 0.160.40 ± 0.10
Pullout force (N)4See Figure 91.55 ± 0.200.91 ± 0.070.76 ± 0.060.68 ± 0.02
Embolization flow rate (l/min)43032.91 ± 0.8531.57 ± 0.7529.37 ± 0.7326.06 ± 1.27

The compiled results are represented as mean ± SD compared with a threshold value. Results in italics did not meet the threshold criterion.

EOA = effective orifice area; GOA = geometric orifice area; TVPG = transvalvular pressure gradient; VSS = viscous shear stress.