Evaluation of orthotic insoles for people with diabetes who are at-risk of first ulceration.
CAD/CAM
Diabetic foot
Orthotic
Prevention
Ulcer
Journal
Journal of foot and ankle research
ISSN: 1757-1146
Titre abrégé: J Foot Ankle Res
Pays: England
ID NLM: 101471610
Informations de publication
Date de publication:
2019
2019
Historique:
received:
13
02
2019
accepted:
03
06
2019
entrez:
28
6
2019
pubmed:
28
6
2019
medline:
31
1
2020
Statut:
epublish
Résumé
This study focussed on pressure relieving orthotic insoles designed for retail footwear and people with diabetes and at risk of first forefoot ulceration. The aim was to investigate whether the pressure relieving effects of a customised metatarsal bar and forefoot cushioning are sensitive to bar location and shape, and material choice. Patient-specific foot shape was used to design an orthotic insole, with metatarsal bar location and shape customised according to plantar pressure data. Changes in forefoot plantar pressure were investigated when 60 people with diabetes and neuropathy walked in nine variants of the orthotic insole. These comprised three variations in proximal/distal location of the customised metatarsal bar and three different metatarsal head offloading materials. The most frequent reductions in pressure occurred when the anterior edge of the metatarsal bar was placed at 77% of the peak pressure values, and its effects were independent of the choice of EVA or Poron offloading material. In the flat insole, 61% of participants had one or more metatarsal head areas with pressure above the 200 KPa, reducing to 58% when adopting generic orthotic design rules and 51% when using the best orthotic insole of the nine tested. Our results confirm that plantar pressure relief is sensitive to orthotic insole design decisions and individual patient feet.
Identifiants
pubmed: 31244900
doi: 10.1186/s13047-019-0344-z
pii: 344
pmc: PMC6582464
doi:
Types de publication
Evaluation Study
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
35Déclaration de conflit d'intérêts
Competing interestsThe authors declare that they have no competing interests.
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