Table 2 Hemodynamic characteristics of the superficial femoral artery stenoses.
| b-APV | h-APV | VFR | h-MDP | h-MPP | FFR | h-ΔP | h-SR | |
|---|---|---|---|---|---|---|---|---|
| (cm/sec) | (cm/sec) | (mmHg) | (mmHg) | (mmHg) | (mmHg·sec/cm) | |||
| pre EVT | 20.9±7.1 | 35.8±12.4 | 1.73±0.31 | 71.8±14.5 | 89.5±18.6 | 0.81±0.12 | 17.2±13.3 | 0.56±0.44 |
| post EVT | 22.6±7.8∗ | 42.8±12.2∗∗ | 1.91±0.41∗ | 81.4±13.4∗∗ | 84.8±15.1 | 0.97±0.056∗∗ | 3.67±5.13∗∗ | 0.088±0.12∗∗ |
Values are mean±standard deviation. “b” indicates baseline; “h” indicates during hyperemia.APV: average peak velocity; VFR: vascular flow reserve; MDP: mean distal pressure; MPP: mean proximal pressure; FFR: fractional flow reserve; ΔP: mean pressure gradient (MPP−MDP); SR: stenosis resistance index; EVT: endovascular therapy∗p<0.05 compared with pre EVT. ∗∗p<0.01 compared with pre EVT.