Poster (Scientific congresses and symposiums)
Modeling the instantaneous pressure-volume relationship in the left ventricle
Lucas, Alexandra; Dauby, Pierre; Kolh, Philippe et al.
2010The 9th Belgian Day on Biomedical Engineering
 

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Keywords :
Modelisation of cardiovascular system; P-V loop; instantaneous pressure-volume relationship
Abstract :
[en] Pressure-volume loops are a common modeling tool of the cardiovascular system. They are very useful because they characterize the global function of the cardiac pump and can also be analyzed by considering the various phases of the cardiac cycle and marking each point of a cycle with the corresponding time. When several loops are considered, the points corresponding to the same time t in each loop can be joined to define a curve named isochrone. In this work, we are interested in models of the instantaneous pressure-volume relationship, i.e. isochrone models. More precisely, we concentrate on the 6 models considered by Lankhaar et al. [1] and we propose a critical analysis of the work of these authors and suggest some improvement of their procedure. [1] Lankhaar J.W. et al. Annals of Biomedical Engineering, Volume 37, Number 9, 1710-1726, 2009.
Disciplines :
Cardiovascular & respiratory systems
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Lucas, Alexandra ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles
Dauby, Pierre  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles
Kolh, Philippe  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biochimie et physiologie générales, humaines et path.
Desaive, Thomas  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles - Département d'astrophys., géophysique et océanographie (AGO)
Language :
English
Title :
Modeling the instantaneous pressure-volume relationship in the left ventricle
Publication date :
26 November 2010
Event name :
The 9th Belgian Day on Biomedical Engineering
Event organizer :
The National Committee on BioMedical Engineering (NCBME)
Event place :
Bruxelles, Belgium
Event date :
26 novembre 2010
Funders :
The French Community of Belgium (Actions de Recherches Concertées – Académie Wallonie-Europe)
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since 07 January 2011

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