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Updated: Mar 16, 2026
Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Surgical outcome of the shunt: 15-year experience in a single institution
Sara Iglesias1, Bienvenido Ros2, Álvaro Martín2
1Department of Neurosurgery, Hospital Regional Universitario de Málaga, Málaga, Spain. siglesias95@yahoo.es.
Insights
Pediatric hydrocephalus shunt survival is lower for subsequent systems compared to first-time insertion. Overdrainage is a key complication, necessitating repeat surgeries and impacting shunt longevity.
Area of Science:
- Neurosurgery
- Pediatric Surgery
- Medical Device Research
Background:
- Pediatric hydrocephalus management often requires cerebrospinal fluid (CSF) shunting.
- While initial shunt survival is documented, data on subsequent shunt systems is limited.
- Understanding long-term outcomes and complications of repeated shunting is crucial for patient care.
Purpose of the Study:
- To evaluate long-term surgical outcomes in pediatric hydrocephalus patients.
- To compare the survival rates of initial versus subsequent extracranial shunts.
- To analyze complications associated with shunt failures in pediatric patients.
Main Methods:
- Retrospective analysis of pediatric patients treated with ventriculoperitoneal shunts (2000-2015).
- Kaplan-Meier analysis to assess shunt survival curves.
- Detailed examination and comparison of complications leading to shunt revision.
Main Results:
- 166 patients underwent 425 procedures with a mean follow-up of 93 months; median 2 shunt revisions per patient.
- First shunts demonstrated significantly better survival rates than subsequent shunts.
- Overdrainage was the primary cause for revision; proximal/distal dysfunction rates were similar across failures. Younger patients had higher rates of isolated ventricle and infection.
Conclusions:
- Complication frequency in pediatric shunt failures evolves over time.
- Strict protocols for detecting and treating overdrainage may reduce repeat surgeries and improve shunt survival.
- Shunt independence was achieved in 10% of patients; 7% of procedures involved shunt-related infections.
Purpose:
Surgical outcome after shunt insertion in pediatric hydrocephalus can vary greatly. Although first shunt survival rates and complications have been studied by several teams, much less is known about survival and complications of subsequent systems. The goals of this study were to evaluate the surgical outcome in a series of pediatric patients followed for a long time and establish the differences between first and subsequent extracranial shunt survival and complications.
Methods:
We undertook a retrospective study in pediatric patients treated with ventriculoperitoneal shunts between 2000 and 2015 at our institution. Surgical outcome was assessed, and different shunt survival curves were studied with Kaplan-Meier. Complications related to each shunt failure were examined and compared.
Results:
A total of 166 patients underwent 425 procedures, with a mean follow-up period of 93 months. The median number of shunt revision surgeries was 2. Shunt survival rates were better with the first shunt compared to those with the subsequent shunts. The main complication necessitating system revision surgery was overdrainage, the frequency of proximal and distal dysfunctions was similar in all the shunt failures, and isolated ventricle and infection were more frequent in younger patients. Shunt-related infections accounted for 7 % of the procedures, and the shunt independence rate was 10 %.
Conclusions:
The frequency of complications related to shunt failure in pediatric patients changes during follow-up. A strict protocol of overdrainage detection and active treatment could explain the need for repeat surgeries and the progressively shorter shunt survival time in our series.
