The value of temporary external lumbar CSF drainage in predicting the outcome of shunting on normal pressure hydrocephalus

Journal of Neurology, Neurosurgery, and Psychiatry
R WalchenbachJ Vanneste

Abstract

It has been reported that temporary external lumbar CSF drainage (ELD) is a very accurate test for predicting the outcome after ventricular shunting in patients with normal pressure hydrocephalus (NPH). However, only a limited number of patients have been studied for assessing the predictive accuracy of ELD. Therefore, the value of ELD in predicting the outcome after a ventriculoperitoneal shunt in patients with presumed NPH was assessed. All patients with presumed NPH were invited to participate in this study. Clinical assessment, MRI, and neuropsychological evaluation were followed by a lumbar CSF tap test consisting of removing 40 ml CSF. When this test resulted in marked clinical improvement of gait impairment, mental disturbances, or both, the patient was shunted without further tests. In patients with either questionable or no improvement after the CSF tap test, ELD was carried out. The value of ELD for predicting the outcome after shunting was calculated by correlating the results of ELD with that of ventriculoperitoneal shunting. Between January 1994 and December 2000, 49 presumed NPH patients from three institutes were included. Forty three had idiopathic, and the remaining six had secondary NPH. Forty eight patients w...Continue Reading

Citations

Jul 2, 2016·AJNR. American Journal of Neuroradiology·W NaritaE Mori
Apr 4, 2018·Case Reports in Neurological Medicine·A CuccaJ E Fleisher
Dec 1, 2017·Neurology. Clinical Practice·Shigeki YamadaEtsuro Mori
Jan 26, 2020·Neurosurgical Review·Aleš VlasákOndřej Bradáč

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