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Gepubliceerd in:

01-05-2008 | original article

Characteristics of the flow velocity-pressure gradient relation in the assessment of stenoses: an in vitro study

Auteurs: K. M. J. Marques, N. Westerhof

Gepubliceerd in: Netherlands Heart Journal | Uitgave 5/2008

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Extract

The physiological assessment of coronary stenoses is clinically important. In the catheterisation laboratory, most commonly the fractional flow reserve (FFR) and coronary flow velocity reserve (CFVR) are determined, using a pressure wire or a Doppler wire, respectively.1,2 The combined measurement of coronary pressure and flow velocity determines the flow impediment caused by a coronary stenosis, independent of the state of microcirculation. Both the hyperaemic stenosis resistance (HSR) and dpv50, which is derived from the diastolic flow velocity-pressure gradient (v-dp) relation, have been found to determine the haemodynamic significance of a coronary stenosis with a high accuracy.3-6
Literatuur
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Metagegevens
Titel
Characteristics of the flow velocity-pressure gradient relation in the assessment of stenoses: an in vitro study
Auteurs
K. M. J. Marques
N. Westerhof
Publicatiedatum
01-05-2008
Uitgeverij
Bohn Stafleu van Loghum
Gepubliceerd in
Netherlands Heart Journal / Uitgave 5/2008
Print ISSN: 1568-5888
Elektronisch ISSN: 1876-6250
DOI
https://doi.org/10.1007/BF03086137