2023
DOI: 10.3390/bioengineering10121403
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Left Ventricular Assist Device Pump Obstruction Reduces Native Heart Efficiency

Ricardo Montes,
Saniya Salim Ueckert,
Vi Vu
et al.

Abstract: Obstruction of the LVAD flow path can occur when blood clots or tissue overgrowth form within the inflow cannula, pump body, or outflow graft, and it can lead to thrombus, embolism, and stroke. The goal of this study was to measure the impact of progressive pump inflow obstruction on the pressure and flow dynamics of the LVAD-supported heart using a mock circulatory loop. Pump obstruction (PO) was produced by progressively blocking a fraction of the LVAD inlet area. Pressures, flows, and the midplane velocity … Show more

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