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A numerical analysis of the aortic blood flow pattern during pulsed cardiopulmonary bypass

Author

Listed:
  • V. Gramigna
  • M.V. Caruso
  • M. Rossi
  • G.F. Serraino
  • A. Renzulli
  • G. Fragomeni

Abstract

In the modern era, stroke remains a main cause of morbidity after cardiac surgery despite continuing improvements in the cardiopulmonary bypass (CPB) techniques. The aim of the current work was to numerically investigate the blood flow in aorta and epiaortic vessels during standard and pulsed CPB, obtained with the intra-aortic balloon pump (IABP). A multi-scale model, realized coupling a 3D computational fluid dynamics study with a 0D model, was developed and validated with in vivo data. The presence of IABP improved the flow pattern directed towards the epiaortic vessels with a mean flow increase of 6.3% and reduced flow vorticity.

Suggested Citation

  • V. Gramigna & M.V. Caruso & M. Rossi & G.F. Serraino & A. Renzulli & G. Fragomeni, 2015. "A numerical analysis of the aortic blood flow pattern during pulsed cardiopulmonary bypass," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 18(14), pages 1574-1581, October.
    • Handle: RePEc:taf:gcmbxx:v:18:y:2015:i:14:p:1574-1581
    DOI: 10.1080/10255842.2014.930136
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