scholarly journals Transient integral boundary layer method to calculate the translesional pressure drop and the fractional flow reserve in myocardial bridges

2006 ◽  
Vol 5 (1) ◽  
Author(s):  
Stefan Bernhard ◽  
Stefan Möhlenkamp ◽  
Andreas Tilgner
Keyword(s):  
Boundary Layer ◽  
Pressure Drop ◽  
Fractional Flow Reserve ◽  
Fractional Flow ◽  
Integral Boundary ◽  
Myocardial Bridges ◽  
Flow Reserve ◽  
Layer Method ◽  
Boundary Layer Method

Fractional Flow Reserve Estimation in Coronary Arteries by Forward Geometrical Modeling

2013 ◽  
Author(s):  
Jelle T. C. Schrauwen ◽  
Jolanda J. Wentzel ◽  
Anton F. W. van der Steen ◽  
Frank J. H. Gijsen
Keyword(s):  
Clinical Practice ◽  
Pressure Drop ◽  
Coronary Arteries ◽  
Fractional Flow Reserve ◽  
Coronary Stenosis ◽  
Fractional Flow ◽  
Reserve Estimation ◽  
Important Indicator ◽  
Flow Reserve ◽  
Pressure Wire

Fractional Flow Reserve (FFR) is an important indicator for the hemodynamic significance of a coronary stenosis [1]. The FFR is defined as the pressure drop over the stenosis under hyperemia. The pressure drop, and thus the FFR, depends on both the geometry and flow. In clinical practice, the FFR is measured with a pressure wire under administration of adenosine and intervention is warranted if the FFR is below 0.8.

Influence of contractility and heart rate on pressure drop coefficient and fractional flow reserve for epicardial stenosis

2010 ◽  
Vol 11 (3) ◽  
pp. 214 ◽  
Author(s):  
Kranthi K. Kolli ◽  
Tarek Helmy ◽  
Mohamed Effat ◽  
Arif Imran ◽  
Massoud Leesar ◽  
...  
Keyword(s):  
Heart Rate ◽  
Pressure Drop ◽  
Fractional Flow Reserve ◽  
Fractional Flow ◽  
Flow Reserve ◽  
Epicardial Stenosis
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