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  • Title: Endoscopic re-opening of third ventriculostomy: Case series and review of literature.
    Author: Moreira I, Pereira J, Oliveira J, Salvador SF, Vaz R.
    Journal: Clin Neurol Neurosurg; 2016 Jun; 145():58-63. PubMed ID: 27088221.
    Abstract:
    OBJECTIVES: Endoscopic third ventriculostomy (ETV) emerged as an effective alternative to shunting devices in patients with obstructive hydrocephalus. When ETV fails, neurosurgeons must choose between applying a shunting device or performing a repeat ETV (re-ETV) and attempt a shunt independent outcome. In this series, clinical, surgical and follow-up data from six patients who underwent a second ETV were reviewed. PATIENTS AND METHODS: Between January 2005 and June 2015, six patients underwent re-ETV, with four being children. Causes of obstructive hydrocephalus included idiopathic aqueduct stenosis, congenital aqueduct stenosis, neonatal intraventricular haemorrage, hypothalamic glioma and post-meningitis aqueductal stenosis. Success of the procedure was defined by clinical improvement and shunt independence. RESULTS: Overall success rate of this series was 83.3%, with re-ETV being effective in five of the six patients. The single case of re-ETV failure was observed in the pediatric population and was due to late stoma obstruction by tumoral growth, with a ventriculo-peritoneal shunt (VPS) being placed 6 months after re-ETV. In this series, no mortality and no major permanent morbidity were observed following re-ETV. CONCLUSION: Repeat ETV is a safe and effective procedure and should be an option for treatment of recurrent obstructive hydrocephalus if stoma closure or obstruction is present. Younger age and the presence of a previous VPS should not discourage this procedure.
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