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    Assessment of ventricular contractility and ventricular-arterial coupling with a model-based sensor (2013)

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    12647945_CMPB-coupling-SUBMIT.docx (690.8Kb)
    Type of Content
    Journal Article
    UC Permalink
    http://hdl.handle.net/10092/9129
    
    Publisher's DOI/URI
    https://doi.org/10.1016/j.cmpb.2011.11.009
    
    Publisher
    University of Canterbury. Mechanical Engineering
    ISSN
    0169-2607
    Collections
    • Engineering: Journal Articles [1562]
    Authors
    Desaive, T.
    Lambermont, B.
    Janssen, N.
    Ghuysen, A.
    Kolh, P.
    Morimont, P.
    Dauby, P.C.
    Starfinger, C.
    Shaw, Geoff cc
    Chase, Geoff cc
    show all
    Abstract

    Estimation of ventricular contractility and ventricular arterial coupling is clinically important in diagnosing cardiac dysfunction in the critically ill. However, experimental assessment of indexes of ventricular contractility, such as the end-systolic pressure-volume relationship requires a highly invasive maneuver. This research describes the use of a previously validated cardiovascular system (CVS) model and identification process to evaluate the right ventricular arterial coupling in septic shock. The results show good agreement with the gold-standard experimental assessment (conductance catheter method), and offer the potential to develop a model-based sensor to monitor the coupling in clinical real-time.

    Citation
    Desaive, T., Lambermont, B., Janssen, N., Ghuysen, A., Kolh, P., Morimont, P., Dauby, P.C., Starfinger, C., Shaw, G.M., Chase, J.G. (2013) Assessment of ventricular contractility and ventricular-arterial coupling with a model-based sensor. Computer Methods and Programs in Biomedicine, 109(2), pp. 182-189.
    This citation is automatically generated and may be unreliable. Use as a guide only.
    Keywords
    cardiovascular; model; intensive care; sensor; ventricular function; ICU
    ANZSRC Fields of Research
    32 - Biomedical and clinical sciences::3201 - Cardiovascular medicine and haematology::320102 - Haematology
    32 - Biomedical and clinical sciences::3201 - Cardiovascular medicine and haematology::320101 - Cardiology (incl. cardiovascular diseases)
    32 - Biomedical and clinical sciences::3202 - Clinical sciences::320212 - Intensive care
    40 - Engineering::4017 - Mechanical engineering::401706 - Numerical modelling and mechanical characterisation
    Rights
    https://hdl.handle.net/10092/17651

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    • Arterial dP/dt_max accurately reflects left ventricular contractility during shock when adequate vascular filling is achieved 

      Morimont, P.; Lambermont, B.; Desaive, T.; Chase, Geoff; D'Orio, V.; Janssen, N. (University of Canterbury. Mechanical Engineering, 2012)
      Background: Peak first derivative of femoral artery pressure (arterial dP/dtmax) derived from fluid-filled catheter remains questionable to assess left ventricular (LV) contractility during shock. The aim of this study ...
    • Subject-specific cardiovascular system model-based identification and diagnosis of septic shock with a minimally invasive data set: Animal experiments and proof of concept 

      Chase, Geoff; Lambermont, B.; Starfinger, C.; Hann, C.E.; Shaw, Geoff; Ghuysen, A.; Kolh, P.; Dauby, P.C.; Desaive, T. (University of Canterbury. Electrical and Computer EngineeringUniversity of Canterbury. Mechanical Engineering, 2011)
      A cardiovascular system (CVS) model and parameter identification method have previously been validated for identifying different cardiac and circulatory dysfunctions in simulation and using porcine models of pulmonary ...
    • Evaluation of a Model-Based Hemodynamic Monitoring Method in a Porcine Study of Septic Shock 

      Revie, J.A.; Stevenson, D.; Chase, Geoff; Pretty, C.G.; Lambermont, B.C.; Ghuysen, A.; Kolh, P.; Shaw, Geoff; Desaive, T. (University of Canterbury. Mechanical Engineering, 2013)
      Introduction. The accuracy and clinical applicability of an improved model-based system for tracking hemodynamic changes is assessed in an animal study on septic shock. Methods. This study used cardiovascular measurements ...
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