Peak and average pressure differences (top-bottom) over the CSF flow cycle for the normal and Chiari models at cycle frequencies of 80 and 120 cpma
Cycle Rate (cpm) | Peak Pressure Difference (cm H2O) | Average Pressure Difference (cm H2O) | ||
---|---|---|---|---|
Normal | Chiari | Normal | Chiari | |
80 | 1.07 | 1.21 | 0.36 | 0.40 |
120 | 1.08 | 1.24 | 0.69 | 0.80 |
↵a Absolute values were used.