Instrumented gait analysis for an objective pre-/postassessment of tap test in normal pressure hydrocephalus

Archives of Physical Medicine and Rehabilitation
Valentina AgostiniMarco Knaflitz

Abstract

To present an objective method to evaluate gait improvements after a tap test in idiopathic normal pressure hydrocephalus (INPH). Retrospective analysis of gait data. Public tertiary care center, day hospital. The gait analysis was performed before and 2 to 4 hours after the tap test. Participants included patients with INPH (n=60) and age- and sex-matched controls (n=50; used to obtain reference intervals). From an initial referred sample of 79 patients (N=79), we excluded those unable to walk without walking aids (n=9) and those with incomplete (pre-/posttap test) gait data (n=10). Thirteen out of 60 patients were shunted and then reappraised after 6 months. Not applicable. Mahalanobis distance from controls, before and after the tap test. Eleven gait parameters were combined in a single quantitative score. Walking velocity was also evaluated because it is frequently used in tap test assessment. Patients were classified into 2 groups: tap test responders (n=22, 9 of them were shunted) and not suitable for shunt (n=38, 4 of them were shunted). In the tap test responders group, 9 out of 9 patients improved after shunt. In the not suitable for shunt group, 3 out of 4 patients did not improve. Gait velocity increased after the ta...Continue Reading

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Citations

Dec 15, 2016·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Gilles AllaliFrédéric Assal
Jan 18, 2020·Journal of Neuroengineering and Rehabilitation·Alberto FerrariLorenzo Chiari
Feb 2, 2019·Aging and Disease·Shigeki YamadaMasatsune Ishikawa
Oct 6, 2020·Frontiers in Neurology·Valentina AgostiniMarco Knaflitz
Jan 19, 2021·Neurologia Medico-chirurgica·Madoka NakajimaUNKNOWN research committee of idiopathic normal pressure hydrocephalus
Apr 2, 2021·Frontiers in Aging Neuroscience·Shigeki YamadaKazuhiko Nozaki
Jun 3, 2021·Sensors·Riccardo BallariniValentina Agostini

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