LymphedemaV1, Main, Exploration, bibRecord, 002F12

Can tissue dielectric constant measurement aid in differentiating lymphoedema from lipoedema in women with swollen legs?

Identifieur interne : 002F12 ( Main/Exploration ); précédent : 002F11; suivant : 002F13

Can tissue dielectric constant measurement aid in differentiating lymphoedema from lipoedema in women with swollen legs?

Auteurs : S. Birkballe [Danemark] ; M. R. Jensen [Danemark] ; S. Noerregaard [Danemark] ; F. Gottrup [Danemark] ; T. Karlsmark [Danemark]

Source :

British journal of dermatology : (1951) [ 0007-0963 ] ; 2014.

RBID : Pascal:14-0096044

Descripteurs français

Pascal (Inist)
- Lymphoedème, Lipoedème, Mesure, Tissu, Femelle, Jambe, Homme, Femme, Dermatologie.
Wicri :
- topic : Homme, Femme.

English descriptors

KwdEn :
- Dermatology, Female, Human, Leg, Lipoedema, Lymphedema, Measurement, Tissue, Woman.

Abstract

Background Distinguishing lymphoedema from lipoedema in women with swollen legs can be difficult. Local tissue water content can be quantified using tissue dielectric constant (TDC) measurements. Objectives To examine whether TDC measurements can differentiate untreated lower extremity lymphoedema from lipoedema, and to test interobserver agreement. Methods Thirty-nine women participated in the study; 10 patients with lipoedema (LipP), nine patients with untreated lymphoedema (U-LP), 10 patients with lymphoedema treated with compression bandaging for ≥ 4 weeks (T-LP) and 10 healthy controls. All subjects were measured at three predefined sites (foot, ankle and lower leg). All groups except U-LP were measured by three blinded investigators. Using a handheld device, a 300-MHz electromagnetic wave is transmitted into the skin via a 2.5-mm depth probe. TDC calculated from the reflected wave is directly proportional to tissue water content ranging from 1 (vacuum) to 78.5 (pure water). Results Mean ± SD TDC values for U-LP were 48.8 ± 5-2. TDC values of T-LP, LipP and controls were 34.0 ± 6.6, 295 ± 6.2 and 32.3 ± 5.7, respectively. U-LP had significantly higher TDC values in all measurement sites compared with all other groups (P < 0.001). A cut-off value of 40 for ankle and lower-leg measurements correctly differentiated all U-LP from LipP and controls. Intraclass correlation coefficients were 0.94 for the ankle and the lower leg and 0.63 for the foot. Conclusions TDC values of U-LP were significantly higher than those of T-LP, LipP and controls and may aid in differentiating lymphoedema from lipoedema. Interobserver agreement was high in ankle and lower-leg measurements but low in foot measurements.

Affiliations:

Danemark

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dermatology</term>
<term>Female</term>
<term>Human</term>
<term>Leg</term>
<term>Lipoedema</term>
<term>Lymphedema</term>
<term>Measurement</term>
<term>Tissue</term>
<term>Woman</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Lymphoedème</term>
<term>Lipoedème</term>
<term>Mesure</term>
<term>Tissu</term>
<term>Femelle</term>
<term>Jambe</term>
<term>Homme</term>
<term>Femme</term>
<term>Dermatologie</term>
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<front><div type="abstract" xml:lang="en">Background Distinguishing lymphoedema from lipoedema in women with swollen legs can be difficult. Local tissue water content can be quantified using tissue dielectric constant (TDC) measurements. Objectives To examine whether TDC measurements can differentiate untreated lower extremity lymphoedema from lipoedema, and to test interobserver agreement. Methods Thirty-nine women participated in the study; 10 patients with lipoedema (LipP), nine patients with untreated lymphoedema (U-LP), 10 patients with lymphoedema treated with compression bandaging for ≥ 4 weeks (T-LP) and 10 healthy controls. All subjects were measured at three predefined sites (foot, ankle and lower leg). All groups except U-LP were measured by three blinded investigators. Using a handheld device, a 300-MHz electromagnetic wave is transmitted into the skin via a 2.5-mm depth probe. TDC calculated from the reflected wave is directly proportional to tissue water content ranging from 1 (vacuum) to 78.5 (pure water). Results Mean ± SD TDC values for U-LP were 48.8 ± 5-2. TDC values of T-LP, LipP and controls were 34.0 ± 6.6, 295 ± 6.2 and 32.3 ± 5.7, respectively. U-LP had significantly higher TDC values in all measurement sites compared with all other groups (P < 0.001). A cut-off value of 40 for ankle and lower-leg measurements correctly differentiated all U-LP from LipP and controls. Intraclass correlation coefficients were 0.94 for the ankle and the lower leg and 0.63 for the foot. Conclusions TDC values of U-LP were significantly higher than those of T-LP, LipP and controls and may aid in differentiating lymphoedema from lipoedema. Interobserver agreement was high in ankle and lower-leg measurements but low in foot measurements.</div>
</front>
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<affiliations><list><country><li>Danemark</li>
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<name sortKey="Gottrup, F" sort="Gottrup, F" uniqKey="Gottrup F" first="F." last="Gottrup">F. Gottrup</name>
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<name sortKey="Jensen, M R" sort="Jensen, M R" uniqKey="Jensen M" first="M. R." last="Jensen">M. R. Jensen</name>
<name sortKey="Karlsmark, T" sort="Karlsmark, T" uniqKey="Karlsmark T" first="T." last="Karlsmark">T. Karlsmark</name>
<name sortKey="Noerregaard, S" sort="Noerregaard, S" uniqKey="Noerregaard S" first="S." last="Noerregaard">S. Noerregaard</name>
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Can tissue dielectric constant measurement aid in differentiating lymphoedema from lipoedema in women with swollen legs?

Can tissue dielectric constant measurement aid in differentiating lymphoedema from lipoedema in women with swollen legs?

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri