Journal of Rehabilitation Research & Development (JRRD)

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Volume 48 Number 10, 2011
   Pages 1231 — 1248

Abstract — Effects of elevated vacuum on in-socket residual limb fluid volume: Case study results using bioimpedance analysis

Joan E. Sanders, PhD;* Daniel S. Harrison, BS; Timothy R. Myers, MME; Katheryn J. Allyn, LCPO

Abstract???Bioimpedance analysis was used to measure the residual limb fluid volume of seven transtibial amputee subjects using elevated vacuum sockets and nonelevated vacuum sockets. Fluid volume changes were assessed during sessions with the subjects sitting, standing, and walking. In general, fluid volume losses during 3 or 5 min walks and losses over the course of the 30 min test session were less for elevated vacuum than for suction. Numerous variables, including the time of day that data were collected, soft tissue consistency, socket-to-limb size and shape differences, and subject health, may have affected the results and had an equivalent or greater effect on limb fluid volume compared with elevated vacuum. Researchers should well consider these variables in the study design of future investigations on the effects of elevated vacuum on residual limb volume.
Key words: accommodation, amputee, diurnal, elevated vacuum, lower limb, prosthetic fit, prosthetics, residual limb, suction, volume change.

View HTML  ¦  View PDF  ¦  Contents Vol. 48, No. 10
This article and any supplementary material should be cited as follows:
Sanders JE, Harrison DS, Myers TR, Allyn KJ. Effects of elevated vacuum on in-socket residual limb fluid volume: Case study results using bioimpedance analysis. J Rehabil Res Dev. 2011;48(10):1231???48.
DOI:10.1682/JRRD.2010.11.0219
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Last Reviewed or Updated  Tuesday, March 20, 2012 11:23 AM

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