Pitfalls of the Sophy Programmable Pressure Valve: Is it Really Better than a Conventional Valve and an Anti-Siphon Device?

Kazuhiko Tokoro,Yasuhiro Chiba,Hiroyuki Abe

doi:10.1007/978-4-431-68156-4_41

Pitfalls of the Sophy Programmable Pressure Valve: Is it Really Better than a Conventional Valve and an Anti-Siphon Device?

Kazuhiko Tokoro, Yasuhiro Chiba + Show 1 more

https://doi.org/10.1007/978-4-431-68156-4_41

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Publication Date: Jan 1, 1991

Citations: 3

#Anti-siphon Device #Slit Ventricle Syndrome + Show 8 more

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Abstract

Twelve patients with hydrocephalus were shunted using the Sophy programmable pressure valve (SU-8). Positional shunt flow and intraventricular pressure (IVP) were measured. An anti-siphon device (ASD) was inserted primarily in seven patients. Two of the five patients without an ASD developed subdural hematoma (SDH) and one developed slit ventricle syndrome (SVS). Upgrading the valve resistance failed to control SDH and SVS and required the addition of an ASD to control overdrainage.

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