Article Figures & Data
Figures
- Fig 1.
Parent vessel flow rate profiles based on the human ICA.
- Fig 2.
Experimental contrast residence curves for all 4 experimental aneurysms and the fitted exponential decay curve.
- Fig 3.
Simulated contrast residence curve and the fitted exponential decay curve.
- Fig 4.
Experimental (upper) and virtual (lower) DSA. Images are separated by 0.40-second intervals and aligned at 0.0 seconds to peak aneurysm contrast concentration.
- Fig 5.
Simulated and experimental contrast decay incorporating variation in simulated contrast density and viscosity.
- Fig 6.
Simulated and experimental contrast decay incorporating variation in the simulated parent vessel flow rate.
- Fig 7.
Simulated contrast decay constant and mean parent vessel flow rate.
Tables
Contrast Agent Density Viscosity Omnipaque 180 1164 kg/m3 0.0015 Pa × s Omnipaque 350 1410 kg/m3 0.0204 Pa × s Density Viscosity Modified Re High Re (Omnipaque 180) 1080 kg/m3 0.00275 Pa × s +70% Low Re (Omnipaque 350) 1200 kg/m3 0.0122 Pa × s −40% Contrast Decay Constant Experimental 0.758 second−1 Initial simulation 0.560 second−1 High Re simulation 0.552 second−1 Low Re simulation 0.677 second−1 High Q simulation 0.903 second−1 Low Q simulation 0.362 second−1
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