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Updated: Dec 21, 2025
Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Suprahepatic space as an alternative site for distal catheter insertion in pseudocyst-associated ventriculoperitoneal
Zohreh Habibi1, Mehdi Golpayegani1, Bahar Ashjaei2
1Departments of1Neurosurgery and.
Insights
Suprahepatic placement of distal catheters effectively resolves shunt malfunctions caused by pseudocyst formation in pediatric patients. This surgical revision reduces the risk of further distal catheter malfunction, offering a safer alternative for shunt revision.
Area of Science:
- Neurosurgery
- Pediatric Surgery
- Biomedical Engineering
Background:
- Distal catheter malfunction is a significant complication of cerebrospinal fluid (CSF) shunting, particularly in pediatric patients.
- Pseudocyst formation and intra-abdominal adhesions frequently lead to shunt failure, necessitating revision surgeries.
- Limited anatomical sites for distal catheter insertion in children exacerbate this challenge.
Purpose of the Study:
- To evaluate the efficacy and safety of suprahepatic placement of distal catheters in pediatric patients experiencing intractable distal shunt malfunctions due to pseudocyst formation.
- To reduce the incidence of recurrent distal catheter malfunction by utilizing the suprahepatic space for catheter placement.
Main Methods:
- A retrospective review of 12 pediatric patients with shunt malfunction secondary to pseudocyst formation was conducted.
- Patients underwent shunt revision surgery involving removal of the malfunctioning catheter and placement of a new distal catheter into the suprahepatic space.
- Follow-up evaluations assessed for recurrent shunt malfunction and complications.
Main Results:
- Twelve patients (9 boys, 3 girls; age 5 months–14 years) with prior pseudocyst formation underwent suprahepatic distal catheter placement.
- After a median follow-up of 31 months, none of the patients experienced further distal shunt malfunction.
- No significant complications related to the suprahepatic placement were reported.
Conclusions:
- The suprahepatic space is a safe and effective location for the distal end of a ventricular catheter in cases of pseudocyst formation.
- Suprahepatic placement appears to minimize the risk of re-adhesion and subsequent malfunction, potentially due to the avascular nature of the space.
- This technique offers a viable solution for managing complex shunt malfunctions in pediatric hydrocephalus patients.
Objective:
Distal catheter malfunction due to pseudocyst formation or intraabdominal adhesion is a significant problem, especially in pediatric patients who have limited sites for distal catheter insertion. In this study, the authors present a series of 12 patients with intractable distal shunt malfunctions due to peritoneal pseudocyst formation who underwent distal catheter replacement in the suprahepatic space to reduce the risk of distal catheter malfunction.
Methods:
Twelve consecutive patients with shunt malfunction due to pseudocyst formation who had undergone ventriculosuprahepatic shunting from 2014 to 2019 were identified. According to medical records, after primary evaluations, shunt removal, and antibiotic therapy, they underwent revision surgeries with placement of a distal catheter into the suprahepatic space.
Results:
Nine boys and 3 girls, ranging in age from 5 months to 14 years, with one or more episodes of pseudocyst formation, underwent shunt revision with placement of a distal catheter into the suprahepatic space. After a median follow-up of 31 months, none of the patients experienced further distal malfunction.
Conclusions:
The suprahepatic space appears to be a safe place to secure the distal end of a ventricular catheter following pseudocyst formation, with less risk of re-adhesion. This lower risk might be attributable to the lack of omentum in the suprahepatic space.
