Motion analysis in delirium: a discrete approach in determining physical activity for the purpose of delirium motoric subtyping

Medical Engineering & Physics
Alan GodfreyGearóid M Olaighin

Abstract

The purpose of this study was to determine the use and feasibility of accelerometry-based monitoring and to examine a discrete multi-resolution signal analysis technique to determine motoric subtypes in patients with DSM-IV delirium. Forty consecutive patients receiving palliative care (23 male, 17 female, mean age+/-standard deviation 68.4+/-11.9 years) were assessed using 24-h accelerometer-based monitoring. The total amount of time spent per activity of sitting/lying, standing and stepping were calculated. This was achieved through the multilevel decomposition and reconstruction of the accelerometer signals by means of the discrete wavelet transform. Both the reconstructed approximations and details of the discrete transform were used for motoric subtyping. This was compared to a validated activity monitor for validation purposes. Demographic and clinical data per patient were also collected. Of the 40 patients selected for accelerometry, complete 24-h readings were available for 34 patients and analyses were confined to this group. Of the 34 patients included, 25 met criteria for DSM-IV delirium while 9 were non-delirious comparison subjects with equivalent medical diagnoses receiving treatment in the same setting. It was c...Continue Reading

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Citations

Oct 1, 2011·Rejuvenation Research·Miranda van UitertBarbara C van Munster
Aug 6, 2013·Revista de psiquiatrí́a y salud mental·Sofía Sánchez-RománErwin Chiquete
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Sep 11, 2012·Psychosomatics·Patrick Kelly, Emily Frosch
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Jun 12, 2019·Palliative Medicine·Christine L WattPeter G Lawlor
Oct 6, 2011·Current Opinion in Anaesthesiology·Ulf Guenther, Finn M Radtke
Mar 14, 2020·Critical Care Explorations·Anis DavoudiParisa Rashidi

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