Secondary Endoscopic Third Ventriculostomy [Neurosurgery Wiki]

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====== Secondary Endoscopic Third Ventriculostomy ======

Secondary [[Endoscopic Third Ventriculostomy]] can be defined as either a redo [[endoscopic third ventriculostomy]] done after primary [[ETV]] [[stoma]] closure or that done in cases presenting with [[shunt malfunction]].

The aim of a study of Shaikh et al., was to evaluate the role of secondary ETV in the [[pediatric]] age group [[patient]]s.

This was 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.

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 effect]]s in any of the patients.

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
((Shaikh S, Deopujari CE, Karmarkar V, Muley K, Mohanty C. Role of Secondary
Endoscopic Third Ventriculostomy in Children: Review of an Institutional
Experience. Pediatr Neurosurg. 2019 Jun 3:1-8. doi: 10.1159/000500641. [Epub
ahead of print] PubMed PMID: 31158842.
)).