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Endoscopic Third Ventriculostomy and Pineal Biopsy from a Single Entry Point
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Endoscopic third ventriculostomy: outcome analysis in 368 procedures.

Oumar Sacko1, Sergio Boetto, Valérie Lauwers-Cances

  • 1Service de Neurochirurgie, Centres Hospitalo-Universitaires de Toulouse, Toulouse, France.

Journal of Neurosurgery. Pediatrics
|January 2, 2010
PubMed
Summary
This summary is machine-generated.

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Endoscopic third ventriculostomy (ETV) is effective for obstructive hydrocephalus, but outcomes vary by age and cause. Very young children and adults with hemorrhage-related or chronic hydrocephalus face higher ETV failure risks.

Area of Science:

  • Neurosurgery
  • Pediatric Neurosurgery
  • Hydrocephalus Management

Background:

  • Endoscopic third ventriculostomy (ETV) is a primary treatment for obstructive hydrocephalus.
  • Controversy exists regarding ETV outcomes based on patient age, hydrocephalus etiology, and long-term results.

Purpose of the Study:

  • To evaluate the risk of ETV failure in relation to age, cause, and follow-up duration.
  • To assess the safety and efficacy of ETV as a treatment for hydrocephalus.

Main Methods:

  • Retrospective cohort study of 368 ETV procedures in 350 patients (1999-2007).
  • Failure defined as need for subsequent CSF diversion surgery or hydrocephalus-related death.
  • Patients categorized by age (<18 years) and hydrocephalus cause (tumors, stenosis, hemorrhage, etc.).

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Main Results:

  • Overall ETV success rate was 68.5% over a median follow-up of 47 months.
  • Infants under 6 months had a 5-fold increased risk of failure (HRa 5.0).
  • Hemorrhage-related (HRa 4.0) and idiopathic chronic hydrocephalus (HRa 6.3) showed higher failure risks.
  • 97% of failures occurred within 2 months; overall morbidity was 10% (minor complications).
  • ETV introduction halved shunt insertions and hospital admissions for shunt failures, indicating cost savings.

Conclusions:

  • Endoscopic third ventriculostomy is a safe and effective treatment for hydrocephalus.
  • Key factors predicting poor ETV outcomes include very young age (<6 months) and specific etiologies like hemorrhage-related or chronic hydrocephalus in adults.