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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