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Related Experiment Video

Updated: Apr 4, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
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Intraoperative Fluoroscopy for Ventriculoperitoneal Shunt Placement.

Daniel Coluccia1, Javier Anon2, Frederic Rossi1

  • 1Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland.

World Neurosurgery
|September 8, 2015
PubMed
Summary

Intraoperative fluoroscopy significantly improves ventriculoperitoneal shunt catheter placement accuracy, reducing the need for revision surgery. This imaging technique is a reliable and easy-to-use tool for surgeons.

Keywords:
CatheterFluoroscopyIntraoperative imagingLandmarksVentriculoperitoneal shunt

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Area of Science:

  • Neurosurgery
  • Medical Imaging

Background:

  • Catheter malposition is a common cause of ventriculoperitoneal shunt dysfunction.
  • Existing intraoperative tools for shunt placement are often time-consuming, expensive, or lack final position visualization.

Purpose of the Study:

  • To evaluate the utility of intraoperative fluoroscopy in reducing ventriculoperitoneal shunt catheter malpositioning.
  • To define radiological landmarks for accurate catheter localization.

Main Methods:

  • A comparative study of 104 patients undergoing ventriculoperitoneal shunt placement.
  • One group (n=57) used intraoperative biplanar fluoroscopic assessment; a control group (n=47) did not.
  • 3D CT reconstructions were used to define ventricular system landmarks for a surgical reference map.

Main Results:

  • Intraoperative X-ray imaging significantly increased optimal catheter positions (79% vs. 49%, P=0.0018).
  • Biplanar imaging demonstrated high sensitivity (96%) and specificity (92%) for optimal shunt catheter positioning.

Conclusions:

  • Intraoperative fluoroscopy is a reliable and easily performed method for assessing correct catheter placement.
  • Its predictive value allows for intraoperative corrections, decreasing early surgical revisions for ventriculoperitoneal shunts.