Abstract
Background: Endoscopic third ventriculostomy (ETV) has become a standard and safe procedure for obstructive hydrocephalus. ETV can also play an important role in children presenting with shunt malfunction with an added advantage of shunt independence. Secondary ETV can be defined as either a redo endoscopic ventriculostomy done after primary ETV stoma closure or that done in cases presenting with shunt malfunction. Objective: The aim of our study was to evaluate the role of secondary ETV in the pediatric age group patients. Methods: This is a retrospective analysis of 36 children (<18 years) who underwent ETV after shunt malfunction and 4 children with ETV done after previous ETV stoma closure from 2004 until 2018. In all patients, the obstructive pattern suggesting aqueduct outflow obstruction was observed on MRI. Patients were followed up for a mean period of 4.25 years. Results: ETV was considered successful if the patient avoided a shunt insertion later on in their life. Considering this definition, a success rate of 72% was observed with secondary ETV for shunt malfunction whereas a success rate of 75% was observed after primary ETV failure without any major side effects in any of the patients. Conclusion: ETV can be considered a primary treatment modality in children with shunt malfunction and has a good success rate in cases presenting with closure of previously performed ETV stoma.
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2019
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