Table 5

Pre and post-PCI

BaselinePost-PCIP value
n35
FFR0.67±0.10.87±0.1<0.0001
CFR1.5±0.32.2±0.5<0.0001
Pd/Pa0.83±0.10.94±0.03<0.0001
HMR, mm Hg/cm/s2.4±0.91.8±0.67<0.0001
HSR, mm Hg/cm/s1.2±0.80.28±0.2<0.0001
bAPV, cm/s19.8±10.920.9±8.50.4
hAPV, cm/s29.3±17.342.3±15.4<0.0001
  • Paired analysis of pre and post-PCI haemodynamic values.

  • bAPV, baseline average peak velocity; CFR, coronary flow reserve; FFR, fractional flow reserve; hAPV, hyperemic average peak velocity; HMR, hyperemic microvascular resistance; HSR, hyperemic stenosis resistance; PCI, percutaneous coronary intervention; Pd/Pa, distal and aortic pressure.