2012
DOI: 10.1590/s0004-282x2012000900011
View full text |Buy / Rent full text
|
Sign up to set email alerts
|

Abstract: Patients with hydrocephalus and risk factors for overdrainage may be submitted to ventricular shunt (VS) implant with antisiphon device. The objective of this study was to prospectively evaluate for two years the clinical and tomographic results of the implant of fixed-pressure valves with antisiphon device SPHERA® in 35 adult patients, with hydrocephalus and risk factors for overdrainage. Of these, 3 had congenital hydrocephalus in adult patients with very dilated ventricles (Evans index >50%), 3 had sympt… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2

Citation Types

1
22
0

Year Published

2015
2015
2015
2015

Publication Types

Select...
2

Relationship

2
0

Authors

Journals

citations
Cited by 11 publications
(23 citation statements)
references
References 19 publications
(23 reference statements)
1
22
0
Order By: Relevance
“…Numerous series show that over 70% of shunt patients require long-term review and 54% may need four or more revisions, with all additional risks, costs and negative outcomes 4,5,6,7,8,9,10 . ETV also has known limitations, especially in patients with myelomeningocele and Chiari type II 4,5,6,7,8,9,10,11 . RVSS proposes a safe and more physiological option, using less prosthetic material.…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…Numerous series show that over 70% of shunt patients require long-term review and 54% may need four or more revisions, with all additional risks, costs and negative outcomes 4,5,6,7,8,9,10 . ETV also has known limitations, especially in patients with myelomeningocele and Chiari type II 4,5,6,7,8,9,10,11 . RVSS proposes a safe and more physiological option, using less prosthetic material.…”
Section: Discussionmentioning
confidence: 99%
“…An important complication is shunt infection, which may occur in up to 5% of the cases. Another drawback is siphoning phenomenon, leading to overdrainage and subdural effusions 8,9,10,11 . Neuroendoscopy, on the other hand, has increased in experience and indications.…”
mentioning
confidence: 99%
See 1 more Smart Citation
“…Although with lower sensitivity (26-61%) compared to the infusion test (57-100%) and external lumbar drainage (50-100%), Tap test is feasible and its only great weakness is the potential loss of candidates for surgery 30 . Another important point is that the gold standard treatment for NPH is currently done with programmable valves 9,20 . Thus, comparison of SPHERA® valve with a type of fixed pressure valve (PS Medical®) may decrease, but not invalidate the superiority of SPHERA® valve.…”
Section: Discussionmentioning
confidence: 99%
“…However, there are reports in the literature that some physiological mechanisms, such as increased intra-abdominal pressure (IAP ) and the reduction of intracranial pressure (ICP) during postural changes has a preventive effect on the siphon effect 10,11,12,13,14,15,16 . Many of CSF drainage systems have been designed to prevent excessive drainage such as adjustable valves, flow-regulated valves and gravitational antisiphon valves (the latter two valves not only controlled by differential pressure, but also under the influence of gravity as the position the body) 17,18,19,20,21,22,23 . This study aims to evaluate the performance of a valve with anti-siphon device (SPHERA® - Figure 1) 20 in the treatment of patients with NPH and compare it with the performance observed in another group of patients with NPH who underwent the same procedure (VPS), but whose valves had no anti-siphon mechanism.…”
mentioning
confidence: 99%