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CSF hydrodynamics in superior sagittal sinus thrombosis.
B Kristensen1, J Malm, P Markgren
1Department of Neurology, University Hospital, Umeå, Sweden.
Journal of Neurology, Neurosurgery, and Psychiatry
|April 1, 1992
Summary
Superior sagittal sinus thrombosis causes persistent intracranial pressure increases, but cerebrospinal fluid (CSF) hydrodynamics show it has minimal clinical impact and does not lead to hydrocephalus.
Area of Science:
- Neurology
- Neurosurgery
- Cerebrospinal Fluid Dynamics
Background:
- Superior sagittal sinus thrombosis (SSST) is a rare condition affecting venous drainage in the brain.
- Understanding its impact on intracranial pressure and cerebrospinal fluid (CSF) dynamics is crucial for patient management.
Purpose of the Study:
- To investigate cerebrospinal fluid (CSF) hydrodynamics in patients with superior sagittal sinus thrombosis (SSST).
- To assess the long-term effects of SSST on intracranial pressure and CSF resorption.
Main Methods:
- Utilized a constant pressure infusion method for cerebrospinal fluid (CSF) hydrodynamic examinations.
- Conducted serial examinations on ten SSST patients over up to 15 years, performing 70 examinations in total.
Main Results:
- All patients exhibited increased intracranial pressure due to elevated major dural sinus pressure.
- A persistent intracranial pressure increase was observed, declining gradually with no significant clinical impact.
- Cerebrospinal fluid (CSF) resorption facility played a minor role in the observed intracranial pressure elevation.
Conclusions:
- Superior sagittal sinus thrombosis (SSST) leads to sustained intracranial hypertension.
- Despite elevated intracranial pressure, SSST patients in this cohort did not develop hydrocephalus.
- CSF hydrodynamics are altered but do not appear to be the primary driver of complications in SSST.