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Estimation of the Diastolic Intraventricular Relative Pressures Using MRI Acceleration Measurements

  • Fanny Balleux
  • Odile Jolivet
  • Alain De Cesare
  • Alain Herment
  • Jean-Pierre Tasu
  • Elie Mousseaux
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2674)

Abstract

This paper presents a method to determine noninvasively relative pressures from magnetic resonance (MR) acceleration and velocity data. The technique is based on the complete Navier-Stokes equation associated with the direct measurement of the total acceleration, defined as the sum of the velocity derivative vs. time and the convective acceleration. It consists of determinining relative pressures by constructing a minimization problem of a quadratic energy function. The original ways of discretisation and computation allow to estimate relative pressures independently of a path of integration. The algorithm is applied to compute relative pressures over the diastolic filling of the left ventricle (LV) within a region of interest delineating the left atrium (LA) and the LV.

Keywords

Left Atrium Pressure Variation Relative Pressure Oriented Graph Left Ventricular Wall 
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 2003

Authors and Affiliations

  • Fanny Balleux
    • 1
  • Odile Jolivet
    • 1
    • 2
  • Alain De Cesare
    • 1
  • Alain Herment
    • 1
  • Jean-Pierre Tasu
    • 2
  • Elie Mousseaux
    • 1
  1. 1.U494 INSERMParisFrance
  2. 2.UMR 8081 CNRS, CIERMLe Kremlin-BicêtreFrance

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