Clinical Experience with a New Flow-Regulating Hydrocephalus Shunt System

  • H. Wiedemayer
  • S. Sackers
Part of the Advances in Neurosurgery book series (NEURO, volume 21)


To date, most shunt systems for surgical treatment of hydrocephalus are differential pressure valves with fairly constant resistance. The amount of cerebrospinal fluid (CSF) drained by these systems varies widely following variations of differential pressure. Particularly when the patient is in an upright position, differential pressure increases extremely, leading to considerable overdrainage of CSF (siphon effect). Overdrainage of CSF may cause clinical manifestations such as slit ventricles and subdural effusions.


Differential Pressure Shunt System Ventricular Catheter Subdural Effusion Programmable Valve 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • H. Wiedemayer
    • 1
  • S. Sackers
    • 1
  1. 1.Neurochirurgische Klinik und PoliklinikUniversitätsklinikum EssenEssen 1Germany

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