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Vascular arterial haemodynamics 

Vascular arterial haemodynamics
Chapter:
Vascular arterial haemodynamics
Author(s):

Ilija D. Šutalo

, Michael M. D. Lawrence-Brown

, Kurt Liffman

, and James B. Semmens

DOI:
10.1093/med/9780199658220.003.0013
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date: 21 September 2019

Understanding vascular haemodynamics is important for understanding and improving existing vascular interventions, developing new procedures, and inventing medical devices. Aneurysms and stenoses can be understood through various laws and governing equations that describe the dynamics of fluids in conduits. These models can be simplified as Newtonian fluids and non-pulsatile flow, because models of pulsatile flow, compliance, and elastic walls are complex. Some properties of pulsatile flow and blood influence vascular haemodynamics. It is important to understand the forces acting on an endovascular graft, why these forces acting on a thoracic graft are not necessarily greater than those on an abdominal graft, and why they change with curves and changes in diameter.

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