Ventriculoperitoneal shunt overdrainage

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Background

  • Overdrainage → tissue occluding the orifices of the proximal shunt apparatus
    • As pressure increases the occluding tissue diesengages allowing drainage to resume
    • Leads to cyclic increased ICP complaints that worsen when patient stands
    • Newer valve devices with antisiphon features make this less common
  • Also known as "slit ventricle syndrome"

Clinical Features

Differential Diagnosis

Ventriculoperitoneal shunt problems

Evaluation

Slitvent.png

Management

  • Neurosurgery consult

Disposition

  • Admission for shunt revision versus valve adjustment

See Also

External Links

References