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Investigation Of The Assessment Of Low Degree (<50%) Renal Artery Stenosis Based On Velocity Flow Profile Analysis Using Doppler Ultrasound: An In-Vitro Study, Andrew Malone, Deepa Chari, Sean Cournane, Izabela Naydenova, Andrew Fagan, Jacinta Browne
Investigation Of The Assessment Of Low Degree (<50%) Renal Artery Stenosis Based On Velocity Flow Profile Analysis Using Doppler Ultrasound: An In-Vitro Study, Andrew Malone, Deepa Chari, Sean Cournane, Izabela Naydenova, Andrew Fagan, Jacinta Browne
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Purpose: Renal arterial stenosis can lead to disrupted renal function due to reduced blood flow to the kidneys and is largely thought to be caused by atherosclerosis. Current diagnostic strategies for renal arterial stenosis rely on detecting large degree stenoses (>50%). This study aimed to test the viability of using Doppler ultrasound to assess velocity profiles to detect the presence of low degree (<50%) stenoses.
Methods: A series of anatomically realistic renal artery flow phantoms were constructed exhibiting a range of low degree stenoses (symmetric and asymmetric). The behaviour of fluid flow in the phantoms was examined using Doppler ultrasound …