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Videodensitometric Measurements of the Blood Flow in the Model Circulation and in the Iliac Arteries: Methodological Investigations

  • H. Fröhlich
Conference paper
Part of the Frontiers in European Radiology book series (FER, volume 4)

Abstract

The quantitative analysis of blood flow within central and peripheral blood vessels has attracted more and more interest, for with the rapid developments in vascular surgery and the introduction of percutaneous transluminal angioplasty, it is becoming increasingly important to be able to measure regional blood flow in man. In clinical radiology, angiography has been used predominantly from the point of view of its morphological applications. However, theoretically angiography may also be regarded as a specific application of indicator-dilution measurements of blood flow. The indicator is contrast medium (CM), the changing concentration of which is recorded by cinematography or video-electronic systems at sites downstream from the point of injection. The curves of density thus obtained correspond to indicator-dilution curves. The blood flow can be calculated from the concentration-time curves of CM in much the same way as it is estimated from other indicator-dilution curves.

Keywords

Contrast Medium Model Circulation Iliac Artery Signal Amplitude Flow Volume 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag-Berlin Heidelberg 1984

Authors and Affiliations

  • H. Fröhlich
    • 1
    • 2
  1. 1.Department of RadiologyUniversity of Hannover Medical SchoolHannoverWest Germany
  2. 2.Röntgenabteilung des Robert-koch-KrankenhausGehrdenGermany

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