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Postoperative hydrocephalus in patients undergoing decompressive hemicraniectomy for ischemic or hemorrhagic stroke

Allen Waziri1, David Fusco, Stephan A Mayer

  • 1Department of Neurological Surgery, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA. aew2001@columbia.edu

Neurosurgery
|September 21, 2007
PubMed

Insights

Communicating hydrocephalus is common after decompressive hemicraniectomy, often persisting after cranioplasty. Delayed bone flap replacement correlates with persistent hydrocephalus, potentially requiring cerebrospinal fluid diversion.

Area of Science:

  • Neurosurgery
  • Neurology
  • Critical Care Medicine

Background:

  • Decompressive hemicraniectomy is a critical intervention for severe intracranial pressure.
  • Postoperative communicating hydrocephalus is a recognized complication.
  • Persistence of hydrocephalus may necessitate long-term cerebrospinal fluid diversion.

Purpose of the Study:

  • To establish the correlation between hemicraniectomy and communicating hydrocephalus.
  • To determine the frequency of this complication.
  • To identify clinical factors associated with hydrocephalus development and persistence.

Main Methods:

  • Retrospective analysis of consecutive patients undergoing hemicraniectomy for elevated intracranial pressure.
  • Exclusion of patients with pre-existing risk factors for hydrocephalus.
  • Review of clinical and imaging data to assess hydrocephalus incidence, type, persistence, and need for CSF diversion.

Main Results:

  • 88% of patients developed postoperative communicating hydrocephalus.
  • 50% of these patients had persistent hydrocephalus post-cranioplasty, requiring shunting.
  • Prolonged interval to bone flap replacement correlated with hydrocephalus persistence.

Conclusions:

  • Communicating hydrocephalus is highly prevalent after hemicraniectomy.
  • Delayed cranioplasty is associated with persistent hydrocephalus and the need for CSF diversion.
  • Early cranioplasty may mitigate the risk of persistent hydrocephalus and shunt dependency.
Abstract

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