Hydrocephalus and shunts: a comparative flow-pressure study

Introduction: Differential Pressure Shunts (DPS) for hydrocephalus work through a pressure differential between the proximal and the distal inlet. Neurosurgeon’s reference is extra-low, low, medium, normal or high-pressure valves, symbolizing the shunt’s resistance against the downstream flow. The B...

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Autores principales:	Angelo Luiz Maset, Matheus Fernando Manzolli Ballestero, Dionei Freitas de Moraes
Formato:	article
Lenguaje:	EN
Publicado:	Brazilian Society for Pediatric Neurosurgery 2021
Materias:	hydrocephalus ventriculoperitoneal shunt differential pressure shunt shunt pressure equivalency table Pediatrics RJ1-570 Surgery RD1-811
Acceso en línea:	https://doaj.org/article/4696a8a91a23444d9f678f05f1c2c1f7
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id	oai:doaj.org-article:4696a8a91a23444d9f678f05f1c2c1f7
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spelling	oai:doaj.org-article:4696a8a91a23444d9f678f05f1c2c1f72021-11-23T21:46:36ZHydrocephalus and shunts: a comparative flow-pressure study2675-362610.46900/apn.v3i1(January-April).54https://doaj.org/article/4696a8a91a23444d9f678f05f1c2c1f72021-01-01T00:00:00Zhttps://www.archpedneurosurg.com.br/pkp/index.php/sbnped2019/article/view/54https://doaj.org/toc/2675-3626Introduction: Differential Pressure Shunts (DPS) for hydrocephalus work through a pressure differential between the proximal and the distal inlet. Neurosurgeon’s reference is extra-low, low, medium, normal or high-pressure valves, symbolizing the shunt’s resistance against the downstream flow. The Brazilian manufacturing process for all shunts is regulated by ISO 7195 version 2006, revised in 2016, and it allows a lot of flexibility in the determination of shunt resistance and flow characteristics. Methods: This article compares the pressure-flow characteristics of some hydrocephalus shunts available in Brazil based on their information brochures Results: Six shunt information brochures were compared regarding to CSF flow-control manufacturing graphs and/or pressure work range tables. Based on the data obtained of each valve, authors propose and introduce a comparative table that can be helpful if used as a guide to the neurosurgeon when one considers either a first time shunt implantation or a shunt revision Conclusion: There is no standardization regarding the pressure which defines the different models of shunts available in Brazil and neurosurgeon must be aware when choosing a specific shunt and even more when, in a shunt review, choose another manufacturer.Angelo Luiz MasetMatheus Fernando Manzolli BallesteroDionei Freitas de MoraesBrazilian Society for Pediatric Neurosurgeryarticlehydrocephalusventriculoperitoneal shuntdifferential pressure shuntshunt pressure equivalency tablePediatricsRJ1-570SurgeryRD1-811ENArchives of Pediatric Neurosurgery, Vol 3, Iss 1(January-April), Pp e542021-e542021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	hydrocephalus ventriculoperitoneal shunt differential pressure shunt shunt pressure equivalency table Pediatrics RJ1-570 Surgery RD1-811
spellingShingle	hydrocephalus ventriculoperitoneal shunt differential pressure shunt shunt pressure equivalency table Pediatrics RJ1-570 Surgery RD1-811 Angelo Luiz Maset Matheus Fernando Manzolli Ballestero Dionei Freitas de Moraes Hydrocephalus and shunts: a comparative flow-pressure study
description	Introduction: Differential Pressure Shunts (DPS) for hydrocephalus work through a pressure differential between the proximal and the distal inlet. Neurosurgeon’s reference is extra-low, low, medium, normal or high-pressure valves, symbolizing the shunt’s resistance against the downstream flow. The Brazilian manufacturing process for all shunts is regulated by ISO 7195 version 2006, revised in 2016, and it allows a lot of flexibility in the determination of shunt resistance and flow characteristics. Methods: This article compares the pressure-flow characteristics of some hydrocephalus shunts available in Brazil based on their information brochures Results: Six shunt information brochures were compared regarding to CSF flow-control manufacturing graphs and/or pressure work range tables. Based on the data obtained of each valve, authors propose and introduce a comparative table that can be helpful if used as a guide to the neurosurgeon when one considers either a first time shunt implantation or a shunt revision Conclusion: There is no standardization regarding the pressure which defines the different models of shunts available in Brazil and neurosurgeon must be aware when choosing a specific shunt and even more when, in a shunt review, choose another manufacturer.
format	article
author	Angelo Luiz Maset Matheus Fernando Manzolli Ballestero Dionei Freitas de Moraes
author_facet	Angelo Luiz Maset Matheus Fernando Manzolli Ballestero Dionei Freitas de Moraes
author_sort	Angelo Luiz Maset
title	Hydrocephalus and shunts: a comparative flow-pressure study
title_short	Hydrocephalus and shunts: a comparative flow-pressure study
title_full	Hydrocephalus and shunts: a comparative flow-pressure study
title_fullStr	Hydrocephalus and shunts: a comparative flow-pressure study
title_full_unstemmed	Hydrocephalus and shunts: a comparative flow-pressure study
title_sort	hydrocephalus and shunts: a comparative flow-pressure study
publisher	Brazilian Society for Pediatric Neurosurgery
publishDate	2021
url	https://doaj.org/article/4696a8a91a23444d9f678f05f1c2c1f7
work_keys_str_mv	AT angeloluizmaset hydrocephalusandshuntsacomparativeflowpressurestudy AT matheusfernandomanzolliballestero hydrocephalusandshuntsacomparativeflowpressurestudy AT dioneifreitasdemoraes hydrocephalusandshuntsacomparativeflowpressurestudy
_version_	1718416089978765312

Hydrocephalus and shunts: a comparative flow-pressure study

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