Comparative study of fractional flow reserve and diastolic pressure ratio using a guidewire with a sensor for measuring intravascular pressure.
Hiroki KojimaHideki IshiiAkihito TanakaHiroshi FunakuboToshiaki KatoYusaku ShimboToshiki KawamiyaYachiyo KuwatsukaMasahiko AndoToyoaki MuroharaPublished in: Medicine (2023)
We found that dPR was highly correlated with FFR, and diagnostic discordance was observed in 11% of the lesions. Several factors, including lesion location and medication for hyperemia, may cause the diagnostic discordance between dPR and FFR.