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Tytuł artykułu

A family of circulatory computer models developed to analyse and predict physiopathological events: applications to mechanical circulatory and ventilatory assistance

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The aim of this work is to present a family of circulatory computer models suitable to be used for analysis and prediction. Circulatory models can reproduce many circulatory phenomena for several practical applications referable to the main functional sectors of analysis and prediction. Of course, the models are different in relation to the phenomena to be represented. An important issue is the possibility to represent the artero-ventricular interactions and the effects, in different ventricular conditions, of the influence of mechanical ventilatory and circulatory assistance. In these models of human cardiovascular system, the influence of mechanical ventilation was introduced, changing the thoracic pressure to positive values. In the work, two different applications were presented: in the first one the trends of the haemodynamic variables were analysed when mechanical ventilation of the lungs was applied for different values of mean intrathoracic pressure. In the second application, were presented the effects on the haemodynamic variables of the left ventricular assist device (in particular arotary blood pump).
Twórcy
autor
autor
autor
  • C.N.R., Institute of Clinical Physiology - Rome Section- Italy, Cardiovascular Engineering Department, Viale dell'Universita, 11,00185 Rome, Italy, dela@ifc.cnr.it
Bibliografia
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  • 2. Schima H., Vollkron M., Boehm H., Rothy W., Haisjackl M., Wieselthaler G., Wolner E.: Weaning of rotary blood pump recipients after myocardial recovery: A computer study of changes in cardiac energetics, The Journal of Thoracic and Cardiovascular Surgery, 2004, 127 (6), 1743.
  • 3. Bai J., Bing Z.: Simulation evaluation of cardiac assist device, Methods of Information in Medicine, 2000, 39, 191.
  • 4. Li X., Bai J., He P.: Simulation study of the Hemopump as a cardiac assist device, Medical & Biological Engineering & Computing, 2002, 40, 344.
  • 5. Ferrari G., De Lazzari C., Mimmo R., Tosti G., Ambrosi D.: A modular numerical model of the cardiovascular system for studying and training in the field of cardiovascular physiopathology, Journal of Biomedical Engineering, 1992, 14-2, 91-107.
  • 6. De Lazzari C., Darowski M., Ferrari G., Tosti G., Pisanelli D.M.: The impact of Hemopump on ventricular energetic parameters when mechanical ventilation is applied: numerical simulation, Proceeding of the IASTED International Conference Biomedical Engineering, BioMED_2005, 279-283.
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  • 12. De Lazzari C., Ferrari G., Mimmo R., Tosti G., Ambrosi D.: A desk top computer model of the circulatory system for heart assistance simulation: effect of an LVAD on energetic relationships inside the left ventricle. Medical Engineering & Physics, 1994, 16-2, 97-103.
  • 13. De Lazzari C., Darowski M., Ferrari G., Clemente F.: The influence of left ventricle assist device and ventilatory support on energy-related cardiovascular variables. Medical Engineering & Physics, 1998, 20-2, 83-91.
  • 14. Ferrari G., Gorczynska K., Mimmo R., De Lazzari C., Clemente F., Tosti G., Guaragno M.: IABP assistance: a test bench for the analysis of its effects on ventricular energetics and hemodynamics. The International Journal of Artificial Organs, 2001, 24-5, 274-280.
  • 15. Siegel J.H., Greenspan M., Del Guercio L.R.M.: Abnormal vascular tone, defective oxygen transport and myocardial failure in human septic shock, Annals of Surgery, 1967, 165 (4), 504-517.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ1-0030-0013
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