PIABP generator reproduces the balloon pressure with the option to change IABP timing.We have used literature data to validate the potential of this new numerical model. The effect induced by the balloon is reproduced in each tract of the aorta by the presence of compliances connected to PIABP generator and resistances. The IABP is inserted into the systemic bed divided in aortic, thoracic and two abdominal tracts modelled with resistances inertances and compliances. : The new module was implemented in CARDIOSIM©, which is a modular software simulator of the cardiovascular system used in research and e-learning environment. The aim of this work was focused on the development of a new numerical model of IABP. Although based on a relatively simple principle, its complex interaction with the cardiovascular system remains challenging and open to debate. : The intra-aortic balloon pump (IABP) is the most widely available device for short-term mechanical circulatory support, often used to wean off cardiopulmonary bypass or combined with extra-corporeal membrane oxygenation support or as a bridge to a left ventricular assist device.
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