Clinimetric Properties and Minimal Clinically Important Differences for a Battery of Gait, Balance, and Cognitive Examinations for the Tap Test in Idiopathic Normal Pressure Hydrocephalus

Neurosurgery
Ryan M GallagherPeter Osmotherly

Abstract

Idiopathic normal pressure hydrocephalus (iNPH) is treated by insertion of a ventricular peritoneal (VP) shunt. To help identify who would benefit from a VP shunt, patients undergo a tap test (TT). Several measures can identify change from a TT, but the magnitude of change and the combination of measures that indicate the improvement from a TT is unclear. To develop minimal clinically important differences (MCIDs) for a battery of gait, balance, and cognitive measures in relation to improvement from the TT, and to identify which combination of measures best identifies when improvement has occurred. Observational study of iNPH patients undergoing a TT for consideration of a VP shunt. Patients completed the: The Timed Up and Go (TUG), Timed Up and Go cognition (TUG-C), Performance Oriented Mobility Assessment (Tinetti), and Berg Balance Scale (BBS) pre- and post-TT. A Global Rating of Change scale assessed patients' perceived improvements in gait and balance post-TT. MCIDs for the TT were (calculated as percentage changes): TUG: 13%, TUG-C: 11% Tinetti: 36%, and BBS: 20%. A combination of the TUG-C and Tinetti resulted in sensitivity of 90.28% to identify improvement, while the Tinetti and BBS resulted in specificity of 98.58% to...Continue Reading

References

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Apr 28, 2018·Archives of Physical Medicine and Rehabilitation·Ryan GallagherPeter Osmotherly

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Citations

Mar 28, 2019·Neuroradiology·R GallagherP Osmotherly
Jan 19, 2021·Neurologia Medico-chirurgica·Madoka NakajimaUNKNOWN research committee of idiopathic normal pressure hydrocephalus
Mar 24, 2021·Acta Neurologica Scandinavica·Yasutaka NikaidoRyuichi Saura

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