The reasons why fractional flow reserve and instantaneous wave-free ratio are similar using wave separation analysis.
Soohong MinGwansuk KangDong-Guk PaengJoon-Hyouk ChoiPublished in: BMC cardiovascular disorders (2021)
Reconstructed FFR and iFR were in good agreement with conventional FFR and iFR. FFR and iFR can be expressed as the variation of trans-stenotic forward pressure, indicating that the two values are inferred from the same formula under different conditions.
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