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Updated: Aug 12, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Simultaneous repair of myelomeningocele and shunt insertion
Hélio Rubens Machado1, Ricardo Santos de Oliveira
1Division of Pediatric Neurosurgery, Department of Surgery and Anatomy, The Hospital of Clinics, Faculty of Medicine Ribeirão Preto, University of Sao Paulo, Av. Bandeirantes 3900, CEP: 14049-900 Sao Paulo, Brazil. hrmachad@fmrp.usp.br
Insights
Simultaneous shunt placement and myelomeningocele repair offer benefits without added risk, improving healing and protecting the brain. Infants with myelomeningocele born elsewhere face higher infection risks.
Area of Science:
- Pediatric Surgery
- Neurosurgery
- Developmental Biology
Background:
- Myelomeningocele is a severe birth defect requiring surgical intervention.
- Hydrocephalus is a common complication, necessitating shunt placement.
- The timing of surgical intervention impacts patient outcomes.
Purpose of the Study:
- To compare simultaneous shunt placement and neural tube repair with delayed shunting in myelomeningocele patients.
- To evaluate the safety and efficacy of concomitant surgical procedures.
- To identify risk factors for complications in myelomeningocele management.
Main Methods:
- Retrospective analysis of 28 myelomeningocele patients undergoing neural tube defect closure between 1998 and 2001.
- Comparison of outcomes between patients with simultaneous shunt placement (Group 1) and delayed shunting.
- Categorization of patients based on hydrocephalus development and place of birth.
Main Results:
- Simultaneous shunt insertion and myelomeningocele correction did not increase surgical risk.
- Concomitant surgery facilitated back healing and prevented cerebrospinal fluid (CSF) leakage.
- Patients born outside the hospital demonstrated a higher propensity for infectious complications.
Conclusions:
- Simultaneous shunt placement and myelomeningocele repair are safe and advantageous.
- Early intervention protects the brain from progressive ventricular dilatation.
- Referral patients born outside the hospital require vigilant monitoring for infections.
Methods:
Simultaneous shunt placement and neural tube repair are described and compared with a concomitant series of patients with delayed shunting. Twenty-eight patients with a myelomeningocele underwent closure of neural tube defects at our Institution from 1998 to 2001. Eleven patients (Group 1) had concomitant surgery performed after birth. Group 2 (7 out of 28) included patients without hydrocephalus at birth, in Group 3 (4 out of 28) the children did not develop hydrocephalus, and Group 4 (6 out of 28) patients were born outside our hospital and referred for surgical care after birth.
Discussion:
Simultaneous insertion of shunt and correction of a myelomeningocele do not pose an additional risk to the child and do have some advantages, facilitating healing of the back without CSF leakage and protecting the brain from the effects of progressive ventricular dilatation. Patients with a myelomeningocele born outside the hospital are prone to infectious complications.

