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Arq. neuropsiquiatr ; 74(1): 55-61, Jan. 2016. tab, graf
Article in English | LILACS | ID: lil-772607

ABSTRACT

ABSTRACT Normal pressure hydrocephalus (NPH) is characterized by the triad of gait apraxia, dementia and urinary incontinence associated with ventriculomegaly and normal pressure of cerebrospinal fluid. Treatment is accomplished through the implantation of a ventricular shunt (VPS), however some complications are still frequent, like overdrainage due to siphon effect. This study analyses the performance of a valve with anti-siphon device (SPHERA®) in the treatment of patients with NPH and compares it with another group of patients with NPH who underwent the same procedure without anti-siphon mechanism (PS Medical® valve). 30 patients were consecutively enrolled in two groups with 15 patients each and followed clinically and radiologically for 1 year. Patients submitted to VPS with SPHERA® valve had the same clinical improvement as patients submitted to VPS with PS Medical®. However, complications and symptomatology due to overdrainage were significantly lower in SPHERA® group, suggesting it as a safe tool to treat NPH.


RESUMO A hidrocefalia de pressão normal (HPN) é caracterizada pela tríade de sintomas de apraxia de marcha, demência e incontinência urinária. O tratamento padrão é realizado através de implantação de derivação ventricular, porém várias complicações são frequentes, como a hiperdrenagem secundária ao efeito sifão. Este estudo avaliou o resultado da válvula SPHERA® no tratamento desses pacientes em comparação com um grupo controle (PS Medical®). 30 pacientes foram consecutivamente alocados em dois grupos de 15 e seguidos por 1 ano. Pacientes com a válvula SPHERA® tiveram o mesmo grau de melhora clínica em comparação ao grupo controle, no entanto as complicações diagnósticadas e sintomatologia secundária à hiperdrenagem foi significativamente inferior no grupo da válvula SPHERA® group, sugerindo-a como uma ferramenta segura e aplicável.


Subject(s)
Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Cerebrospinal Fluid Leak/prevention & control , Hydrocephalus, Normal Pressure/surgery , Ventriculoperitoneal Shunt/instrumentation , Case-Control Studies , Cerebrospinal Fluid Leak/etiology , Equipment Design , Hematoma, Subdural/etiology , Hydrocephalus, Normal Pressure/complications , Reoperation/statistics & numerical data , Slit Ventricle Syndrome/etiology , Treatment Outcome , Ventriculoperitoneal Shunt/adverse effects
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