Skip to main content

Table 1 Sinus size and blood flow by age

From: The incidence of significant venous sinus stenosis and cerebral hyperemia in childhood hydrocephalus: prognostic value with regards to differentiating active from compensated disease

 

Age years

SSS Hd mm

TS Ed mm

SS Ed mm

DSS Ed mm

TCBF ml/min

  

Control

< 1 year old

   

Mean

0.67

6.1

7.7

6.1

6.7

640

SD

0.31

0.8

0.8

1.1

1.0

150

  

Hydrocephalus

< 1 year old

   

Mean

0.64

5.1

7.1

5.1

3.6

640

SD

0.19

0.9

1.1

1.4

1.7

190

ttest

0.74

0.008a

0.24

0.08

< 0.0001a

0.97

  

Control

1 to 4 years old

   

Mean

2.00

7.0

8.8

8.0

7.3

1080

SD

0.46

0.7

0.9

1.3

1.6

210

  

Hydrocephalus

1 to 4 years old

   

Mean

1.63

6.5

8.2

6.4

5.0

1160

SD

0.53

0.9

1.4

2.0

2.4

310

ttest

0.07

0.03

0.10

0.002a

0.0004a

0.55

  

Control

4 to 15 years old

   

Mean

10.42

6.7

8.1

8.3

8.1

990

SD

3.42

0.8

1.2

1.4

1.5

210

  

Hydrocephalus

4 to 15 years old

   

Mean

10.35

5.4

6.8

8.5

6.2

1070

SD

3.24

1.6

2.2

2.0

2.9

320

ttest

0.94

< 0.0001a

0.001a

0.53

0.0005a

0.40

  1. DSS distal sigmoid sinus, Ed effective diameter, Hd hydraulic diameter, ml/min milliliters per minute, mm millimeters, SD standard deviation, SSS superior sagittal sinus, SS sigmoid sinus, TCBF total cerebral blood flow, TS transverse sinus
  2. aSignificance < 0.0125
Back to article page

Fluids and Barriers of the CNS

ISSN: 2045-8118