Increasing chronic subdural hematoma after endoscopic III ventriculostomy

Liana Beni-Adani, Vitaly Siomin, Yoram Segev, Sara Beni, Shlomi Constantini

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


Object: Endoscopic III ventriculostomy (ETV) is an effective and a rather safe treatment for noncommunicating hydrocephalus secondary to aqueductal stenosis and other obstructive pathologies. Though not devoid of risk, ETV is increasingly replacing shunt operations, and it prevents related complications, including overdrainage. Methods: We report a rare case of a large chronic subdural hematoma (ChSDH) after ETV in a patient with aqueductal stenosis. Three weeks after he was shunted elsewhere, he presented to us with clinical symptoms of intracranial hypotension and overdrainage. ETV was performed and the shunt removed uneventfully. On routine postoperative MRI a few weeks later, a large ChSDH was noted, the patient being totally asymptomatic. Since the ChSDH grew significantly, causing a mass effect on the follow-up MRI, it was finally drained. Large and increasing ChSDHs have previously been reported secondary to overdrainage after shunt placement, but not after ETV. Conclusions: We conclude that though rare, a ChSDH may evolve even after ETV, if there is a substantial decrease in previously elevated intracranial pressure.

Original languageEnglish
Pages (from-to)402-405
Number of pages4
JournalChild's Nervous System
Issue number7
StatePublished - 1 Jan 2000
Externally publishedYes


  • Chronic SDH
  • Complications
  • Endoscopic III ventriculostomy
  • Overdrainage
  • Shunt

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Clinical Neurology


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