Local tissue water assessed by tissue dielectric constant: anatomical site and depth dependence in women prior to breast cancer treatment‐related surgery
Identifieur interne : 006E20 ( Main/Exploration ); précédent : 006E19; suivant : 006E21Local tissue water assessed by tissue dielectric constant: anatomical site and depth dependence in women prior to breast cancer treatment‐related surgery
Auteurs : Harvey N. Mayrovitz [États-Unis] ; Suzanne Davey [États-Unis] ; Elizabeth Shapiro [États-Unis]Source :
- Clinical Physiology and Functional Imaging [ 1475-0961 ] ; 2008-09.
Descripteurs français
- KwdFr :
- MESH :
- diagnostic : Complications postopératoires, Lymphoedème, Oedème.
- métabolisme : Eau.
- Adulte, Adulte d'âge moyen, Aisselle, Avant-bras, Femelle, Humains, Réflexe psychogalvanique, Soins préopératoires, Sujet âgé, Sujet âgé de 80 ans ou plus, Thorax, Tumeurs du sein.
- Pascal (Inist)
- Wicri :
- topic : Chirurgie.
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Arm, Axilla, Breast Neoplasms (surgery), Breast cancer, Dependence, Edema (diagnosis), Female, Forearm, Galvanic Skin Response, Humans, Lymphedema, Lymphedema (diagnosis), Mammalia, Middle Aged, Postoperative Complications (diagnosis), Preoperative Care, Surgery, Thorax, Tissue, Treatment, Water (metabolism).
- MESH :
- chemical , metabolism : Water.
- diagnosis : Edema, Lymphedema, Postoperative Complications.
- surgery : Breast Neoplasms.
- Adult, Aged, Aged, 80 and over, Axilla, Female, Forearm, Galvanic Skin Response, Humans, Middle Aged, Preoperative Care, Thorax.
Abstract
Assessing local tissue water using tissue dielectric constant (TDC) values is useful to evaluate oedema/lymphoedema features and their change. Knowledge of anatomical site and tissue depth dependence of TDC values could extend this method’s utility. Our goal was to compare TDC values obtained at anatomically paired sites and to investigate their depth dependence. In 22 women (12 awaiting surgery for breast cancer and 10 cancer‐free control subjects), four sites (mid‐forearm, mid‐biceps, axilla and lateral thorax) on both body sides were measured with a 2·5‐mm sampling depth probe. Also, at forearm, four different probes with sampling depths of 0·5, 1·5, 2·5 and 5 mm were used. TDC values range between 1 for zero water to 78·5 for 100% water. Site comparisons showed TDC values (mean ± SD) to be largest at axilla (36·4 ± 8·9), least at biceps (21·6 ± 3·5) and not different between forearm and thorax (24·3 ± 4·0 versus 24·8 ± 5·0). Group comparisons showed slightly greater values in patients at forearm and biceps (P<0·05) but no group difference at other sites. Dominant‐non‐dominant side comparisons showed no significant difference in paired‐TDC values in either group at any site. Forearm TDC values decreased with increasing depth from 36·4 ± 4·8 at 0·5 mm to a minimum of 21·4 ± 3·9 at 5·0 mm, with a sharp decline between 1·5 and 2·5 mm. The composite findings suggest that TDC measurements have the necessary features for usefully assessing oedema/lymphoedema and its change on limbs and at body sites not routinely amenable to assessment by other techniques. The depth dependence feature provides additional flexibility to investigate oedematous or lymphoedematous conditions.
Url:
DOI: 10.1111/j.1475-097X.2008.00814.x
Affiliations:
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Mayrovitz</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>College of Medical Sciences, Nova Southeastern University, Ft Lauderdale, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Davey, Suzanne" sort="Davey, Suzanne" uniqKey="Davey S" first="Suzanne" last="Davey">Suzanne Davey</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>College of Medical Sciences, Nova Southeastern University, Ft Lauderdale, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Shapiro, Elizabeth" sort="Shapiro, Elizabeth" uniqKey="Shapiro E" first="Elizabeth" last="Shapiro">Elizabeth Shapiro</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>College of Medical Sciences, Nova Southeastern University, Ft Lauderdale, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Clinical Physiology and Functional Imaging</title><title level="j" type="alt">CLINICAL PHYSIOLOGY FUNCTIONAL IMAGING</title><idno type="ISSN">1475-0961</idno><idno type="eISSN">1475-097X</idno><imprint><biblScope unit="vol">28</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="337">337</biblScope><biblScope unit="page" to="342">342</biblScope><biblScope unit="page-count">6</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2008-09">2008-09</date></imprint><idno type="ISSN">1475-0961</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1475-0961</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Arm</term><term>Axilla</term><term>Breast Neoplasms (surgery)</term><term>Breast cancer</term><term>Dependence</term><term>Edema (diagnosis)</term><term>Female</term><term>Forearm</term><term>Galvanic Skin Response</term><term>Humans</term><term>Lymphedema</term><term>Lymphedema (diagnosis)</term><term>Mammalia</term><term>Middle Aged</term><term>Postoperative Complications (diagnosis)</term><term>Preoperative Care</term><term>Surgery</term><term>Thorax</term><term>Tissue</term><term>Treatment</term><term>Water (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte</term><term>Adulte d'âge moyen</term><term>Aisselle</term><term>Avant-bras</term><term>Complications postopératoires (diagnostic)</term><term>Eau (métabolisme)</term><term>Femelle</term><term>Humains</term><term>Lymphoedème (diagnostic)</term><term>Oedème (diagnostic)</term><term>Réflexe psychogalvanique</term><term>Soins préopératoires</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Thorax</term><term>Tumeurs du sein ()</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Water</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Edema</term><term>Lymphedema</term><term>Postoperative Complications</term></keywords><keywords scheme="MESH" qualifier="diagnostic" xml:lang="fr"><term>Complications postopératoires</term><term>Lymphoedème</term><term>Oedème</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Eau</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Breast Neoplasms</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Axilla</term><term>Female</term><term>Forearm</term><term>Galvanic Skin Response</term><term>Humans</term><term>Middle Aged</term><term>Preoperative Care</term><term>Thorax</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte</term><term>Adulte d'âge moyen</term><term>Aisselle</term><term>Avant-bras</term><term>Femelle</term><term>Humains</term><term>Réflexe psychogalvanique</term><term>Soins préopératoires</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Thorax</term><term>Tumeurs du sein</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Bras</term><term>Cancer du sein</term><term>Chirurgie</term><term>Dépendance</term><term>Femelle</term><term>Lymphoedème</term><term>Mammalia</term><term>Tissu</term><term>Traitement</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Chirurgie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Assessing local tissue water using tissue dielectric constant (TDC) values is useful to evaluate oedema/lymphoedema features and their change. Knowledge of anatomical site and tissue depth dependence of TDC values could extend this method’s utility. Our goal was to compare TDC values obtained at anatomically paired sites and to investigate their depth dependence. In 22 women (12 awaiting surgery for breast cancer and 10 cancer‐free control subjects), four sites (mid‐forearm, mid‐biceps, axilla and lateral thorax) on both body sides were measured with a 2·5‐mm sampling depth probe. Also, at forearm, four different probes with sampling depths of 0·5, 1·5, 2·5 and 5 mm were used. TDC values range between 1 for zero water to 78·5 for 100% water. Site comparisons showed TDC values (mean ± SD) to be largest at axilla (36·4 ± 8·9), least at biceps (21·6 ± 3·5) and not different between forearm and thorax (24·3 ± 4·0 versus 24·8 ± 5·0). Group comparisons showed slightly greater values in patients at forearm and biceps (P<0·05) but no group difference at other sites. Dominant‐non‐dominant side comparisons showed no significant difference in paired‐TDC values in either group at any site. Forearm TDC values decreased with increasing depth from 36·4 ± 4·8 at 0·5 mm to a minimum of 21·4 ± 3·9 at 5·0 mm, with a sharp decline between 1·5 and 2·5 mm. The composite findings suggest that TDC measurements have the necessary features for usefully assessing oedema/lymphoedema and its change on limbs and at body sites not routinely amenable to assessment by other techniques. The depth dependence feature provides additional flexibility to investigate oedematous or lymphoedematous conditions.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Floride</li></region></list><tree><country name="États-Unis"><region name="Floride"><name sortKey="Mayrovitz, Harvey N" sort="Mayrovitz, Harvey N" uniqKey="Mayrovitz H" first="Harvey N." last="Mayrovitz">Harvey N. Mayrovitz</name></region><name sortKey="Davey, Suzanne" sort="Davey, Suzanne" uniqKey="Davey S" first="Suzanne" last="Davey">Suzanne Davey</name><name sortKey="Shapiro, Elizabeth" sort="Shapiro, Elizabeth" uniqKey="Shapiro E" first="Elizabeth" last="Shapiro">Elizabeth Shapiro</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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