The predictive value of cerebrospinal fluid tap-test in normal pressure hydrocephalus

Arquivos de Neuro-Psiquiatria

Benito P. Damasceno²  Edmur F. Carelli¹  Donizeti C. Honorato¹  Jose J. Facure¹ 

[1] ,Universidade Estadual de Campinas Faculdade de Ciências Médicas Departamento de Neurologia

关键词: normal pressure hydrocephalus;    lumbar puncture;    shunt surgery;    hidrocefalia de pressão normal;    punção lombar;    cirurgia de "shunt";   

DOI  :  10.1590/S0004-282X1997000200003

来源: SciELO

【 摘 要 】

Eighteen patients (mean age of 66.5 years) with normal pressure hydrocephalus (NPH) underwent a ventriculo-peritoneal shunt surgery. Prior to operation a cerebrospinal fluid tap-test (CSF-TT) was performed with measurements of gait pattern and psychometric functions (memory, visuo-motor speed and visuo-constructive skills) before and after the removal of 50 ml CSFby lumbar puncture (LP). Fifteen patients improved and 3 were unchanged after surgery. Short duration of disease, gait disturbance preceding mental deterioration, wide temporal horns and small sulci on CT-scan were associated with good outcome after shunting. There was a good correlation between the results of CSF-TT and shunt surgery (X² = 4,11 ,phi = 0.48, p < 0.05), with gait test showing highest correlation (r = 0.99, p = 0.01). In conclusion, this version of CSF-TT proved to be an effective test to predict improvement after shunting in patients with NPH.

【 授权许可】

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