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

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Ommaya Reservoir Insertion: A Technical Note.

Stephen T Magill¹, Winward Choy¹, Minh P Nguyen¹

¹Neurological Surgery, University of California San Francisco, San Francisco, USA.

|May 21, 2020

Summary

This summary is machine-generated.

This study presents a refined technique for Ommaya reservoir insertion, improving catheter accuracy and reducing complications. The method enhances patient outcomes for intraventricular therapies.

Keywords:

chemotherapy image guidance intrathecal intraventricular ommaya reservoir

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Area of Science:

Neurosurgery
Medical Devices

Background:

Ommaya reservoir insertion is crucial for repeated intraventricular therapy.
Common complications include catheter malposition, clogging, infection, and poor cosmetic outcomes.

Purpose of the Study:

To describe a refined technique for accurate Ommaya reservoir placement.
To evaluate the efficacy and safety of this technique in a clinical series.

Main Methods:

A specific technique involving preassembly of the reservoir and catheter and reservoir recessing was employed.
Review of 27 consecutive Ommaya placements, analyzing catheter tip accuracy, complications, and surgical times.
Image guidance was utilized for optimal placement accuracy.

Main Results:

Catheter tip placement accuracy was high, with 96% in the frontal horn of the lateral ventricle.
Median surgical time was 36 minutes, with no reported parenchymal or subarachnoid hemorrhages.
Postoperative infection rate was 7% (n=2), with late presentation (>60 days).

Conclusions:

The described technique, utilizing image guidance and preassembly, optimizes Ommaya reservoir placement accuracy.
Recessing the reservoir improves postoperative cosmetic results.
This refined technique offers a viable option for neurosurgical practices performing Ommaya reservoir insertions.