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Table 1 Shunt type, residual shunting and intrahepatic portal vein branching classified in splenoportography and computed tomography angiography by different observers (MS, TS, AH, SS)

From: Comparison of contrast-enhanced multidetector computed tomography angiography and splenoportography for the evaluation of portosystemic-shunt occlusion after cellophane banding in dogs

Patient Type of shunt Residual shunting Portal vein branching
  Origin – End SP
(MS)
CTA
(TS)
CTA
(AH)
CTA
(SS)
SP
(MS)
CTA
(TS)
CTA
(AH)
CTA
(SS)
1 GdV – CVC - + + + 3 3 3 3
2 GsV – CVC - - - - 3 3 3 3
3 GdV – CVC - + + + 3 3 3 2
4 GsV – CVC - - - - 3 3 3 3
5 GdV – CVC + + - + 1 2 3 2
6 GsV – PhV + + - + 3 3 3 3
7 GsV – CVC + + + + 1 3 3 3
8 GdV – CVC - - + - 3 3 3 3
9 GsV – AzV - - - - 3 3 3 3
10 GdV – CVC - + - - 3 3 3 3
11 GdV – CVC - - - - 3 3 3 3
12 GsV – CVC + - + + 3 3 3 3
13 GdV – CVC - + + - 3 2 3 3
14 GdV – CVC - - + - 3 3 3 3
15 GdV – CVC - + - - 3 3 3 3
16 GsV – PhV - - - - 3 3 3 3
17 GsV – CVC + + + + 1 3 3 3
18 GsV– CVC - - - - 3 3 3 3
19 GdV– CVC - + - - 3 3 3 3
20 GsV – AzV + + - + 3 3 3 2
  1. SP splenoportography, CTA computed tomography angiography, GdV gastroduodenal vein, GsV gastrosplenic vein, CVC caudal vena cava, PhV phrenico vein, AzV azygos vein
  2. - residual shunt present
  3. + no residual shunt visible
  4. 1 no intrahepatic portal vasculature visible
  5. 2 portal vessel stump visible
  6. 3 good portal vessel branching