Table 2

Hemodynamic Indices in Afferent, Efferent and Transit Vessels Before and After AVM Removal


Cases

Afferent (feeding) vessels

Efferent (draining) vessels

Transit arteries

 

Mean LBFV
(m/s)

Pulsatility index

Mean LBFV
(m/s)

Pulsatility index

Mean LBFV
(m/s)

Pulsatility index

 

before

after

before

after

before

after

before

after

before

after

before

after

1

60-70

2-4

0.30-0.35

1.30-1.40

12-14

4-6

0.30-0.34

0.10-0.20

-

-

-

-

2

79-85

0

0.27-0.30

0

24-27

4-6

0.24-0.30

0.27-0.33

9-10

9-10

1.00-1.10

1.00-1.20

3

56-66

16-18

0.44-0.56

1.25-1.35

13-15

4-6

0.38-0.41

0.21-0.27

19-23

17-21

1.25-1.35

1.20-1.33

4

33-38

0

0.64-0.66

0

7-9

3-5

0.49-0.57

0.15-0.25

16-18

18-20

1.01-1.21

1.30-1.44

5

-

0

-

0

5-7

4-5

0.43-0.46

0.15-0.25

8-10

6-8

1.20-1.35

1.40-1.50

6

35-41

0

0.26-0.28

0

32-35

2-6

0.20-0.22

0.35-0.44

9-15

8-10

0.95-1.00

1.10-1.21

7

37-44

0

0.43-0.47

0

17-20

4-7

0.20-0.35

0.20-0.25

-

-

-

-

8

41-47

0

0.30-0.38

0

17-24

4-6

0.50-0.65

0.17-0.25

-

-

-

-

9

60-69

4-6

0.28-0.30

1.20-1.25

30-44

5-6

0.34-0.49

0.17-0.20

11-14

4-5

0.92-1.04

1.00-1.25

10

39-65

32-33

0.43-0.54

1.22-1.55

14-19

5-7

0.43-0.52

0.27-0.36

10-20

14-19

1.00-1.30

0.71-1.05

11

17-19

0

0.46-0.53

0

4-6

2-3

0.40-0.50

0.20-0.25

8-14

6-10

0.62-0.83

0.83-0.95

12

8-10

0

0.38-0.41

0

6-10

5-6

0.20-0.40

0.33-0.40

-

-

-

-

13

44-62

0

0.39-0.46

0

18-24

6-7

0.41-0.53

0.25-0.35

11-15

12-17

1.28-1.35

1.35-1.45

14

80-95

5-7

0.33-0.36

1.18-1.24

33-42

6-8

0.36-0.48

0.25-0.30

28-35

11-19

0.48-0.51

1.04-1.15