Article Figures & Data
Figures
- Fig 1.
Illustration of the perfusion apparatus used in the chronic swine AVM model.
- Fig 2.
A, High-resolution radiograph of a rete in the chronic swine AVM model embolized with a 50/50 + 20 μL acrylate mixture (NBCA/Lipiodol/glacial acetic acid). Red line indicates the area of cross-section for histology.
B, Corresponding histology (hematoxylin-eosin stain) for vessel measurements shows most of the arteries of the rete network filled with acrylate mixture (arrow).
- Fig 3.
Vessel diameters of nontreated swine retia (controls).
A, Schematic of a rete with section lines demarcating sectors for vessel measurements (AP, ascending pharyngeal artery; CCA, common carotid artery).
B, Graph shows the corresponding vessel diameters in each region for a 35-kg (diamonds) and 100-kg (squares) swine. Error bars indicate the standard error of mean.
Tables
Hemodynamic parameters in an acute and a chronic swine rete AVM model
Acute Model Chronic Model P Value Age (months) 3.9 ± 3.2 12.4 ± 0.5 <.0001 Weight (kg) 46.9 ± 22.7 213.7 ± 25.9 <.001 Pressure grandient (mm Hg) 15.4 ± 1.4 23.7 ± 12.0 .085 Rete outflow (mL/min) 32.5 ± 17.57 139.9 ± 100.29 .030 Rete length (pixel) 401.3 ± 65.2 593.1 ± 39.9 <.001
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