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Related Experiment Video

Updated: Jul 24, 2025

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
14:59

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

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Nonprogrammable Shunts for Communicating Hydrocephalus and Three-Dimensional Volumetry: A Retrospective Analysis.

Jeroen Cortier1, Robin Van Der Straeten2, Frederick Van Gestel2

  • 1Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), Brussels, Belgium; AZ Maria Middelares, Ghent, Belgium.

World Neurosurgery
|July 2, 2023
PubMed
Summary

Nonprogrammable valves (NPVs) show comparable shunt revision rates and clinical outcomes for communicating hydrocephalus (cHC). Ventricular volume reduction was observed, but not correlated with clinical improvement.

Keywords:
Communicating hydrocephalusNonprogrammable valveProgrammable valveVentriculoperitoneal shuntVolumetry

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Area of Science:

  • Neurosurgery
  • Neurology
  • Medical Devices

Background:

  • Communicating hydrocephalus (cHC) treatment lacks consensus on optimal shunt valve type.
  • Nonprogrammable valves (NPVs) are a common choice, but their efficacy requires further evaluation.

Purpose of the Study:

  • To evaluate the outcomes of primary nonprogrammable valve (NPV) placement in patients with communicating hydrocephalus (cHC).

Main Methods:

  • Retrospective analysis of 41 patients receiving first-time NPV implantation for cHC between 2014 and 2020.
  • Assessment of revision rates, clinical outcomes (modified Rankin Scale - mRS), and radiologic changes (Evans Index - EI, ventricular volumes via 3D segmentation - vv-3DSAS).

Main Results:

  • The overall shunt-related revision rate was 17.1%.
  • 68.3% of patients showed an improvement of 1 or more points on the mRS.
  • A significant reduction in ventricular volumes was observed, but mRS improvement did not correlate with this radiologic change.

Conclusions:

  • Results for NPVs in cHC are comparable to existing literature regarding shunt revisions and clinical/radiologic outcomes.
  • Ventricle volume assessment using vv-3DSAS is a viable method for detecting subtle volumetric changes in cHC patients.