Pressure derived fractional flow reserve (FFR) is a well-validated index to assess functional significance of stenosis severity that has evolved from a physiological index to a clinical tool. The objective of this paper is to provide a short overview of the theoretical and physiological background of this physiological assessment technique and to focus on its clinical applicability in both diagnostic and interventional procedures.
William Kong-To Hau, Fractional Flow Reserve: Overview and Implications for Clinical Decision Making Journal of the Hong Kong College of Cardiology 2003;11(3) https://doi.org/10.55503/2790-6744.1157
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