Impression technique for the assessment of oedema
Identifieur interne : 00D776 ( Main/Exploration ); précédent : 00D775; suivant : 00D777Impression technique for the assessment of oedema
Auteurs : O. Lindahl [Suède] ; K. A. Ngquist [Suède] ; S. Ödman [Suède]Source :
- Medical and Biological Engineering and Computing [ 0140-0118 ] ; 1991-11-01.
Abstract
Abstract: A new instrument for the assessment of oedema based on the impression method is described. The measurement parameters are defined and the errors corresponding to the electrical and mechanical stability of the instrument are measured. The overall accuracy is calculated theoretically for the translocated volume. The accuracy and reproducibility are evaluated on plastic foam. The clinical procedure to measure oedema with this instrument is described. We show that the accuracy of the translocated volume parameter is very dependent on the overall stability of the instrument and that this instrument has an overall relative error of less than 7·3 per cent for a representative measurement. Experimental measurements on plastic foam show that the measurement parameters could be reproduced with standard deviations of less than 6 per cent and that the standard deviations for translocated volume are within the calculated overall relative error. Measurements on four patients with chronic oedema in an extremity show significantly different results on locations where pitting could be recognised compared to the contralateral nonoedematous extremity.
Url:
DOI: 10.1007/BF02446090
Affiliations:
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Lindahl</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Biomedical Engineering, University Hospital, S-901 85, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author><author><name sortKey=" Ngquist, K A" sort=" Ngquist, K A" uniqKey=" Ngquist K" first="K. A." last=" Ngquist">K. A. Ngquist</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Surgery, University Hospital, S-901 85, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Odman, S" sort="Odman, S" uniqKey="Odman S" first="S." last="Ödman">S. Ödman</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Biomedical Engineering, University of Linköping, University Hospital, 581 85, Linköping</wicri:regionArea><wicri:noRegion>Linköping</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Medical and Biological Engineering and Computing</title><title level="j" type="abbrev">Med. Biol. Eng. Comput.</title><idno type="ISSN">0140-0118</idno><idno type="eISSN">1741-0444</idno><imprint><publisher>Kluwer Academic Publishers</publisher><pubPlace>Dordrecht</pubPlace><date type="published" when="1991-11-01">1991-11-01</date><biblScope unit="volume">29</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="591">591</biblScope><biblScope unit="page" to="597">597</biblScope></imprint><idno type="ISSN">0140-0118</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0140-0118</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: A new instrument for the assessment of oedema based on the impression method is described. The measurement parameters are defined and the errors corresponding to the electrical and mechanical stability of the instrument are measured. The overall accuracy is calculated theoretically for the translocated volume. The accuracy and reproducibility are evaluated on plastic foam. The clinical procedure to measure oedema with this instrument is described. We show that the accuracy of the translocated volume parameter is very dependent on the overall stability of the instrument and that this instrument has an overall relative error of less than 7·3 per cent for a representative measurement. Experimental measurements on plastic foam show that the measurement parameters could be reproduced with standard deviations of less than 6 per cent and that the standard deviations for translocated volume are within the calculated overall relative error. Measurements on four patients with chronic oedema in an extremity show significantly different results on locations where pitting could be recognised compared to the contralateral nonoedematous extremity.</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Lindahl, O" sort="Lindahl, O" uniqKey="Lindahl O" first="O." last="Lindahl">O. Lindahl</name></noRegion><name sortKey=" Ngquist, K A" sort=" Ngquist, K A" uniqKey=" Ngquist K" first="K. A." last=" Ngquist">K. A. Ngquist</name><name sortKey="Odman, S" sort="Odman, S" uniqKey="Odman S" first="S." last="Ödman">S. Ödman</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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