Shunting for idiopathic normal-pressure hydrocephalus: Can we predict response?

Sachin Batra, Ari Blitz, Abhay Moghekar, David Solomon, Daniele Rigamonti

Research output: Contribution to journalReview articlepeer-review


Patient selection based upon preshunt corroborative evaluation with tap test, lumbar drainage or measurement of outflow resistance provides long-term improvement in idiopathic normal-pressure hydrocephalus patients. The key is to select patients with the idiopathic normal-pressure hydrocephalus triad of symptoms, as well as ventriculomegaly for shunting, in order to improve the negative predictive value of our tests so that appropriate patients can be reliably excluded as being shunt refractory.

Original languageEnglish (US)
Pages (from-to)223-236
Number of pages14
JournalFuture Neurology
Issue number2
StatePublished - Mar 2011


  • dynamic intracranial pressure monitoring
  • idiopathic normal-pressure hydrocephalus
  • lumbar drainage
  • lumbar infusion
  • shunt
  • tap test

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology


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