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Published in: Journal of Foot and Ankle Research 1/2023

Open Access 01-12-2023 | Orthosis | Research

Offloading effects of a removable cast walker with and without modification for diabetes-related foot ulceration: a plantar pressure study

Authors: Rebekah V. Withers, Byron M. Perrin, Karl B. Landorf, Anita Raspovic

Published in: Journal of Foot and Ankle Research | Issue 1/2023

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Abstract

Background

Removable cast walkers (RCWs), with or without modifications, are used to offload diabetes-related foot ulcers (DRFUs), however there is limited data relating to their offloading effects. This study aimed to quantify plantar pressure reductions with an RCW with and without modification for DRFUs.

Methods

This within-participant, repeated measures study included 16 participants with plantar neuropathic DRFUs. Walking peak plantar pressures at DRFU sites were measured for four conditions: post-operative boot (control condition), RCW alone, RCW with 20 mm of felt adhered to an orthosis, and RCW with 20 mm of felt adhered to the foot.

Results

Compared to the control condition, the greatest amount of peak plantar pressure reduction occurred with the RCW with felt adhered to the foot (83.1% reduction, p < .001). The RCW with felt adhered to the foot also offered greater peak plantar pressure reduction than the RCW alone (51.3%, p = .021) and the RCW with felt adhered to an orthosis (31.4%, p = .009).

Conclusion

The largest offloading effect recorded was with the RCW with felt adhered to the foot. High-quality randomised trials are now needed to evaluate the effectiveness of this device for healing DRFUs.
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Metadata
Title
Offloading effects of a removable cast walker with and without modification for diabetes-related foot ulceration: a plantar pressure study
Authors
Rebekah V. Withers
Byron M. Perrin
Karl B. Landorf
Anita Raspovic
Publication date
01-12-2023
Publisher
BioMed Central
Published in
Journal of Foot and Ankle Research / Issue 1/2023
Electronic ISSN: 1757-1146
DOI
https://doi.org/10.1186/s13047-023-00625-z

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