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Table 2 Venous pressures and lumbar puncture opening pressure

From: Concordance between venous sinus pressure and intracranial pressure in patients investigated for idiopathic intracranial hypertension

Variables

Measures *

Statistics**

Superior sagittal sinus pressure (mmHg)

52

20.9 (7.3)

Torcular pressure (mmHg)

52

20.8 (6.8)

Right Transverse venous sinus pressure (mmHg)

52

19.5 (7.3)

Left Transverse venous sinus pressure (mmHg)

46

19.5 (6.2)

Right Sigmoid sinus pressure (mmHg)

52

10.5 (3.1)

Left Sigmoid sinus pressure (mmHg)

46

10.9 (3)

Right Internal Jugular vein pressure (mmHg)

52

9.6 (2.6)

Left Internal Jugular vein pressure (mmHg)

46

10.3 (2.9)

Central venous pressure (mmHg)

52

8.6 (3.3)

Right-side Trans-stenotic gradient (mmHg)

52

9.8 (6)

Left-side Trans-stenotic gradient (mmHg)

46

9.9 (5.6)

Lumbar puncture opening pressure (mmHg)

52

22 (6.4)

Difference between Lumbar puncture and Torcular pressure (mmHg)

52

1.7 (2.4)

  1. * Number of measures: in case of hypoplastic sinuses or impossible catheterization of a specific venous segment, the total number can be inferior to 52
  2. ** Statistics: mean (standard deviation)