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dc.contributor.author
Berli, Martin C.
dc.contributor.author
Jundt-Ecker, Michèle
dc.contributor.author
Meier, Margrit R.
dc.contributor.author
Hofer, Michael
dc.contributor.author
Schöni, Madlaina
dc.contributor.author
Götschi, Tobias
dc.contributor.author
Uçkay, Ilker
dc.contributor.author
Böni, Thomas
dc.contributor.author
Waibel, Felix W.A.
dc.date.accessioned
2020-10-19T10:29:01Z
dc.date.available
2020-10-16T03:40:00Z
dc.date.available
2020-10-19T10:29:01Z
dc.date.issued
2020-09
dc.identifier.issn
1932-6203
dc.identifier.other
10.1371/journal.pone.0239930
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/446221
dc.identifier.doi
10.3929/ethz-b-000446221
dc.description.abstract
Background In our clinic, a substantial number of patients present with transtibial residual limb pain of no specific somatic origin. Silicone liner induced tissue compression may reduce blood flow, possibly causing residual limb pain. Thus, as a first step we investigated if the liner itself has an effect on transcutaneous oxygen pressure (TcPO2). Methods Persons with unilateral transtibial amputation and residual limb pain of unknown origin were included. Medical history, including residual limb pain, was recorded, and the SF-36 administered. Resting TcPO2 levels were measured in the supine position and without a liner at 0, 10, 20 and 30 minutes using two sensors: one placed in the Transverse plane over the tip of the Tibia End (= TTE), the other placed in the Sagittal plane, distally over the Peroneal Compartment (= SPC). Measurements were repeated with specially prepared liners avoiding additional pressure due to sensor placement. Statistical analyses were performed using SPSS. Results Twenty persons (9 women, 11 men) with a mean age of 68.65 years (range 47–86 years) participated. The transtibial amputation occurred on average 43 months prior to study entry (range 3–119 months). With liner wear, both sensors measured TcPO2 levels that were significantly lower than those measured without a liner (TTE: p < 0.001; SPC: p = 0.002) after 10, 20 and 30 minutes. No significant differences were found between TcPO2 levels over time between the sensors. There were no significant associations between TcPO2 levels and pain, smoking status, age, duration of daily liner use, mobility level, and revision history. Conclusion Resting TcPO2 levels decreased significantly while wearing a liner alone, without a prosthetic socket. Further studies are required to investigate the effect of liner wear on exercise TcPO2 levels.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Public Library of Science
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.title
Resting TcPO2 levels decrease during liner wear in persons with a transtibial amputation
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2020-09-28
ethz.journal.title
PLoS ONE
ethz.journal.volume
15
en_US
ethz.journal.issue
9
en_US
ethz.journal.abbreviated
PLoS ONE
ethz.pages.start
e0239930
en_US
ethz.size
19 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
San Francisco, CA
en_US
ethz.publication.status
published
en_US
ethz.date.deposited
2020-10-16T03:40:05Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2020-10-19T10:29:26Z
ethz.rosetta.lastUpdated
2020-10-19T10:29:26Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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