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 yearsSSS Hd mmTS Ed mmSS Ed mmDSS Ed mmTCBF ml/min
  Control< 1 year old   
Mean0.676.17.76.16.7640
SD0.310.80.81.11.0150
  Hydrocephalus< 1 year old   
Mean0.645.17.15.13.6640
SD0.190.91.11.41.7190
ttest0.740.008a0.240.08< 0.0001a0.97
  Control1 to 4 years old   
Mean2.007.08.88.07.31080
SD0.460.70.91.31.6210
  Hydrocephalus1 to 4 years old   
Mean1.636.58.26.45.01160
SD0.530.91.42.02.4310
ttest0.070.030.100.002a0.0004a0.55
  Control4 to 15 years old   
Mean10.426.78.18.38.1990
SD3.420.81.21.41.5210
  Hydrocephalus4 to 15 years old   
Mean10.355.46.88.56.21070
SD3.241.62.22.02.9320
ttest0.94< 0.0001a0.001a0.530.0005a0.40
  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