Repeatable battery for the assessment of neuropsychological status (RBANS) as a cognitive evaluation tool for patients with normal pressure hydrocephalus

Daisuke Nakatsu, Toru Fukuhara, Naomi S. Chaytor, Vaishali S. Phatak, Anthony M. Avellino

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

External lumbar drainage (ELD) is recognized as a screening method for ventriculo-peritoneal shunt- ing (VPS) candidacy for possible normal pressure hydrocephalus (NPH). This study focused on the ELD predictability of the cognitive outcome after VPS for NPH. In addition, Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) was examined in ELD cognition screening. ELD results were considered positive with any improvement in gait and/or cognition. Among 36 patients examined for possible NPH, 26 underwent VPS because of positive ELD. Cognitive outcome after VPS was assessed at 6-month follow-up. The RBANS scores, examined pre- and post-ELD, were evalu- ated statistically to identify consistency with the neuropsychologist judgment and the predictability of cognitive outcome after VPS. Among 26 shunted patients, gait was improved in 24. Cognitive improve- ment was rated in 19, and there were 9 false negative and 5 false positive in ELD cognition screen- ing. The neuropsychologist judgment in ELD cognition screening is most consistent with the RBANS score in delayed memory. The patients rated as improved in cognition after VPS had significantly lower RBANS scores pre-ELD in immediate memory and delayed memory. If both scores at pre-ELD were ≤ 80 (13 patients), all were rated as improved in cognition after VPS. ELD screening was highly predictive of clinical gait improvement but not of cognitive improvement after VPS for possible NPH. Particularly among patients with a positive ELD gait response, pre-ELD low RBANS scores in memory predicted cognitive improvement after VPS. RBANS seems effective in evaluating cognition for NPH.

Original languageEnglish (US)
Pages (from-to)51-61
Number of pages11
Journalneurologia medico-chirurgica
Volume56
Issue number2
DOIs
StatePublished - Feb 15 2016

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Normal Pressure Hydrocephalus
Ventriculoperitoneal Shunt
Drainage
Cognition
Gait
Repression (Psychology)
Short-Term Memory

Keywords

  • Cognition
  • External lumbar drainage
  • Normal pressure hydrocephalus
  • Repeatable battery for the assessment of neuropsychological status

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

Cite this

Repeatable battery for the assessment of neuropsychological status (RBANS) as a cognitive evaluation tool for patients with normal pressure hydrocephalus. / Nakatsu, Daisuke; Fukuhara, Toru; Chaytor, Naomi S.; Phatak, Vaishali S.; Avellino, Anthony M.

In: neurologia medico-chirurgica, Vol. 56, No. 2, 15.02.2016, p. 51-61.

Research output: Contribution to journalArticle

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