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Related Experiment Video

Updated: Jul 24, 2026

The Rabbit Blood-shunt Model for the Study of Acute and Late Sequelae of Subarachnoid Hemorrhage: Technical Aspects

The Rabbit Blood-shunt Model for the Study of Acute and Late Sequelae of Subarachnoid Hemorrhage: Technical Aspects

Published on: October 2, 2014

Modified ventriculoperitoneal shunt applied to temporary external ventricular drainage.

Zhixiong Lin^1,2, Jintao Chen^3,4, Weili Lin^3,4

¹Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Xiangshanyikesong 50#, HaiDian District, Beijing, China. linzx@ccmu.edu.cn.

Scientific Reports

|July 11, 2024

Summary

A modified ventriculoperitoneal shunt (mVPS) offers a superior temporary external ventricular drainage (EVD) solution. This method shows higher success rates and longer retention than traditional dEVD and EVDvOR, reducing complications for neurosurgical patients.

Keywords:

External ventricular drainage Hydrocephalus Modified ventriculoperitoneal shunt Ommaya reservoir

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Last Updated: Jul 24, 2026

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Published on: July 20, 2022

Area of Science:

Neurosurgery
Medical Devices
Patient Care

Background:

External ventricular drainage (EVD) is a critical neurosurgical procedure.
Current methods like direct EVD (dEVD), long-tunneled EVD (LTEVDs), and EVD via Ommaya reservoir (EVDvOR) have limitations including infection risk and short retention periods.

Purpose of the Study:

To evaluate a modified ventriculoperitoneal shunt (mVPS) with an externally placed abdominal end as a temporary EVD method.
To compare the efficacy and safety of mVPS against dEVD and EVDvOR in patients requiring temporary CSF drainage.

Main Methods:

Retrospective cohort study of 120 patients requiring EVD.
Comparison of one-time success rates, complication incidence, and postoperative retention duration between dEVD, EVDvOR, and mVPS groups.
Analysis included 31 dEVD, 54 EVDvOR, and 35 mVPS cases.

Main Results:

mVPS demonstrated the highest one-time success rate (91.42%), significantly outperforming dEVD (70.97%) and comparable to EVDvOR (88.89%).
mVPS showed a significantly lower incidence of postoperative complications (8.5%) compared to dEVD (35.48%) and EVDvOR (14.81%).
Mean postoperative retention for mVPS (82.43 days) was substantially longer than for dEVD (14.68 days) and EVDvOR (25.96 days).

Conclusions:

The modified ventriculoperitoneal shunt (mVPS) is a safe and effective alternative for temporary external ventricular drainage.
mVPS offers significant advantages in terms of success rate, complication reduction, and extended retention duration, particularly for patients needing long-term EVD.