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Functional model for the characterisation of the ventricular mechanics of the human subject

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Abstract

The ventricular elastance concept (instantaneous pressure-volume ratio) has been used extensively in characterising the ventricular mechanics of animal hearts. In the paper, this technique is extended to the characterisation of the ventricular mechanics of the normal and failing human heart. Techniques for the processing of catheterisation data are discussed and the results indicate the feasibility of using this simple method to assess routinely the ventricular mechanics of the human subject undergoing cardiac catheterisation.

Sommaire

On a fait un usage considérable du concept d'élastance ventriculaire (rapport instantané volume/pression) en ce qui concerne la caractérisation des mécanismes ventriculaires du coeur des animaux. Dans ce rapport, on a élargi cette technique à la caractérisation des mécanismes ventriculaires du coeur humain normal et du coeur défaillant. Des techniques pour le traitement des données de cathétérisation sont examinée et les résultats montrent qu'il est possible d'employer cette méthode simple pour établir d'une façon courante les mécanismes ventriculaires d'un être humain subissant une cathétérisation cardiaque.

Zusammenfassung

Der Begriff der Ventrikelelastanz (Verhältnis Momentandruck/Volumen) ist weitgehent für die Kennzeichnung der Vetrikelmechanik von Tierherzen verwendet worden. In diesem Beitrag wird das Verfahren auf die Kenzeichnung der Ventrikelmechanik des normalen und kranken menschlichen Herzens ausgedehnt. Es werden Verfahren für die Verarbeitung von Katheterisationsdaten besprochen und die Resultate deuten auf die Durchführbarkeit dieses einfachen Verfahrens zur routinemäßigen Bestimmung der Ventrikelmechanik eines menschlichen Patienten hin, der Herz-Katheterisation unterworfen wird.

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Authors and Affiliations

  1. Bioengineering Group, Rice Univeristy, 77001, Houston, Texas, USA

    J. W. Clark & R. C. Pruett

  2. Texas Tech University, 79409, Lubbock, Texas, USA

    D. L. Baldridge

  3. Abbott Laboratories, N. Chicago, III, USA

    R. Srinivasan

  4. Biomedical Engineering Laboratories, Rice University, 77001, Houston, Texas, USA

    H. M. Bourland

  5. Baylor College of Medicine, Houston, Texas, USA

    J. S. Cole

  6. Medische Faculteit, Rotterdam, The Netherlands

    R. W. Brower

Authors
  1. J. W. Clark
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  2. R. C. Pruett
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  3. D. L. Baldridge
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  4. R. Srinivasan
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  5. H. M. Bourland
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  6. J. S. Cole
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  7. R. W. Brower
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Clark, J.W., Pruett, R.C., Baldridge, D.L. et al. Functional model for the characterisation of the ventricular mechanics of the human subject. Med. Biol. Eng. Comput. 15, 335–348 (1977). https://doi.org/10.1007/BF02457985

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  • DOI: https://doi.org/10.1007/BF02457985

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