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Updated: Jan 20, 2026
Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Comparing the Efficiency of Two Treatment Methods of Hydrocephalus: Shunt Implantation and Endoscopic Third
Seifollah Gholampour1, Mehrnoush Bahmani1, Azadeh Shariati1
1Department of Biomedical Engineering, Faculty of Electrical & Computer Engineering, Tehran North Branch, Islamic Azad University, Tehran, Iran.
Insights
Endoscopic Third Ventriculostomy (ETV) is a more effective initial treatment for pediatric hydrocephalus than Ventriculoperitoneal Shunt (VPS) implantation, despite earlier failure rates in adults. ETV shows better long-term outcomes and fewer complications.
Area of Science:
- Pediatric Neurosurgery
- Hydrocephalus Pathophysiology
- Medical Device Technology
Background:
- Hydrocephalus is a common pediatric neurological condition requiring surgical intervention.
- The complex pathophysiology of hydrocephalus remains incompletely understood.
- Current treatments include Endoscopic Third Ventriculostomy (ETV) and Ventriculoperitoneal Shunt (VPS) implantation.
Purpose of the Study:
- To compare the efficacy of ETV and VPS in treating hydrocephalus.
- To analyze Cerebrospinal Fluid (CSF) hydrodynamic parameters and clinical outcomes.
- To evaluate treatment effectiveness using numerical simulation and patient follow-up.
Main Methods:
- Comparative analysis of ETV and VPS treatment methods.
- Numerical simulation of CSF hydrodynamics.
- Clinical follow-up of hydrocephalus patients.
Main Results:
- ETV demonstrated a cumulative failure rate of 21% versus 29% for VPS in patients under 19 with Posterior Fossa Brain Tumor (PFBT).
- ETV showed higher initial failure but better long-term efficiency compared to VPS.
- Post-operative complication rates were 17% for ETV and 31% for VPS. ETV is preferred for infants with Aqueduct Stenosis (AS) and elderly with Normal Pressure Hydrocephalus (NPH).
- Maximum CSF pressure was identified as a reliable efficacy index, with ETV reducing pressure more significantly than VPS.
Conclusions:
- ETV is a more reasonable initial treatment for infants with hydrocephalus.
- While ETV failure occurred earlier in adults, it proved more efficient overall.
- Numerical simulations highlight CSF pressure as a key indicator for treatment evaluation.
Introduction:
Hydrocephalus is one of the most common diseases in children, and its treatment requires brain operation. However, the pathophysiology of the disease is very complicated and still unknown.
Methods:
Endoscopic Third Ventriculostomy (ETV) and Ventriculoperitoneal Shunt (VPS) implantation are among the common treatments of hydrocephalus. In this study, Cerebrospinal Fluid (CSF) hydrodynamic parameters and efficiency of the treatment methods were compared with numerical simulation and clinical follow-up of the treated patients.
Results:
Studies have shown that in patients under 19 years of age suffering from hydrocephalus related to a Posterior Fossa Brain Tumor (PFBT), the cumulative failure rate was 21% and 29% in ETV and VPS operation, respectively. At first, the ETV survival curve shows a sharp decrease and after two months it gets fixed while VPS curve makes a gradual decrease and reaches to a level lower than ETV curve after 5.7 months. Post-operative complications in ETV and VPS methods are 17% and 31%, respectively. In infants younger than 12 months with hydrocephalus due to congenital Aqueduct Stenosis (AS), and also in the elderly patients suffering from Normal Pressure Hydrocephalus (NPH), ETV is a better treatment option. Computer simulations show that the maximum CSF pressure is the most reliable hydrodynamic index for the evaluation of the treatment efficacy in these patients. After treatment by ETV and shunt methods, CSF pressure decreases about 9 and 5.3 times, respectively and 2.5 years after shunt implantation, this number returns to normal range.
Conclusion:
In infants with hydrocephalus, initial treatment by ETV was more reasonable than implanting the shunt. In adult with hydrocephalus, the initial failure in ETV occurred sooner compared to shunt therapy; however, ETV was more efficient.
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