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Brain stem and cerebellar dysfunction after lumbar spinal fluid drainage: case report
Journal of Neurology, Neurosurgery, and Psychiatry
|June 18, 2003
Summary
Cerebrospinal fluid (CSF) hypovolaemia from lumbar drains can cause brain sagging and herniation, even without a detectable leak. Early diagnosis with MRI and intracranial pressure monitoring is crucial for effective treatment.
Area of Science:
- Neurosurgery
- Neurology
- Radiology
Background:
- Lumbar CSF drainage is a common neurosurgical procedure to prevent CSF fistulas after skull base surgery.
- While effective, lumbar drains can cause complications like CSF hypovolaemia and brain sagging.
Observation:
- A young patient developed neurological decline, low intracranial pressure, brain sagging, and cerebellar herniation after lumbar drain removal.
- The patient presented with altered consciousness and signs of brainstem dysfunction, despite initial underdrainage.
Findings:
- Cerebrospinal fluid (CSF) hypovolaemia can occur insidiously after lumbar drain removal, leading to brain sagging and foramen magnum herniation.
- Magnetic Resonance Imaging (MRI) and intracranial pressure monitoring are vital for diagnosing this condition and understanding its pathophysiology.
Implications:
- This case highlights the importance of considering CSF hypovolaemia in patients with neurological deterioration post-neurosurgery, even without obvious CSF leaks.
- Prompt diagnosis and treatment, including epidural blood patch and ventricular drainage, are essential for managing brain sagging and preventing severe neurological injury.