LymphedemaV1, Main, Exploration, bibRecord, 007967

Hand volume estimates based on a geometric algorithm in comparison to water displacement.

Identifieur interne : 007967 ( Main/Exploration ); précédent : 007966; suivant : 007968

Hand volume estimates based on a geometric algorithm in comparison to water displacement.

Auteurs : H N Mayrovitz [États-Unis] ; N. Sims ; C J Hill ; T. Hernandez ; A. Greenshner ; H. Diep

Source :

Lymphology [ 0024-7766 ] ; 2006.

RBID : pubmed:16910100

Descripteurs français

KwdFr :
- Adulte, Adulte d'âge moyen, Algorithmes, Eau (analyse), Humains, Lymphoedème (), Lymphoedème (diagnostic), Main, Modèles biologiques, Mâle.
MESH :
- analyse : Eau.
- diagnostic : Lymphoedème.
- Adulte, Adulte d'âge moyen, Algorithmes, Humains, Lymphoedème, Main, Modèles biologiques, Mâle.

English descriptors

KwdEn :
- Adult, Algorithms, Hand, Humans, Lymphedema (diagnosis), Lymphedema (therapy), Male, Middle Aged, Models, Biological, Water (analysis).
MESH :
- chemical , analysis : Water.
- diagnosis : Lymphedema.
- therapy : Lymphedema.
- Adult, Algorithms, Hand, Humans, Male, Middle Aged, Models, Biological.

Abstract

Assessing changes in upper extremity limb volume during lymphedema therapy is important for determining treatment efficacy and documenting outcomes. Although arm volumes may be determined by tape measure, the suitability of circumference measurements to estimate hand volumes is questionable because of the deviation in circularity of hand shape. Our aim was to develop an alternative measurement procedure and algorithm for routine use to estimate hand volumes. A caliper was used to measure hand width and depth in 33 subjects (66 hands) and volumes (VE) were calculated using an elliptical frustum model. Using regression analysis and limits of agreement (LOA), VE was compared to volumes determined by water displacement (VW), to volumes calculated from tape-measure determined circumferences (VC), and to a trapezoidal model (VT). VW and VE (mean +/- SD) were similar (363 +/- 98 vs. 362 +/-100 ml) and highly correlated; VE = 1.01VW -3.1 ml, r=0.986, p<0.001, with LOA of +/- 33.5 ml and +/- 9.9 %. In contrast, VC (480 +/- 138 ml) and VT (432 +/- 122 ml) significantly overestimated volume (p<0.0001). These results indicate that the elliptical algorithm can be a useful alternative to water displacement when hand volumes are needed and the water displacement method is contra-indicated, impractical to implement, too time consuming or not available.

PubMed: 16910100

Affiliations:

États-Unis

Le document en format XML

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<term>Lymphedema (diagnosis)</term>
<term>Lymphedema (therapy)</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Models, Biological</term>
<term>Water (analysis)</term>
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<term>Algorithmes</term>
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<term>Humains</term>
<term>Lymphoedème ()</term>
<term>Lymphoedème (diagnostic)</term>
<term>Main</term>
<term>Modèles biologiques</term>
<term>Mâle</term>
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<term>Hand</term>
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<term>Middle Aged</term>
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<term>Adulte d'âge moyen</term>
<term>Algorithmes</term>
<term>Humains</term>
<term>Lymphoedème</term>
<term>Main</term>
<term>Modèles biologiques</term>
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<front><div type="abstract" xml:lang="en">Assessing changes in upper extremity limb volume during lymphedema therapy is important for determining treatment efficacy and documenting outcomes. Although arm volumes may be determined by tape measure, the suitability of circumference measurements to estimate hand volumes is questionable because of the deviation in circularity of hand shape. Our aim was to develop an alternative measurement procedure and algorithm for routine use to estimate hand volumes. A caliper was used to measure hand width and depth in 33 subjects (66 hands) and volumes (VE) were calculated using an elliptical frustum model. Using regression analysis and limits of agreement (LOA), VE was compared to volumes determined by water displacement (VW), to volumes calculated from tape-measure determined circumferences (VC), and to a trapezoidal model (VT). VW and VE (mean +/- SD) were similar (363 +/- 98 vs. 362 +/-100 ml) and highly correlated; VE = 1.01VW -3.1 ml, r=0.986, p<0.001, with LOA of +/- 33.5 ml and +/- 9.9 %. In contrast, VC (480 +/- 138 ml) and VT (432 +/- 122 ml) significantly overestimated volume (p<0.0001). These results indicate that the elliptical algorithm can be a useful alternative to water displacement when hand volumes are needed and the water displacement method is contra-indicated, impractical to implement, too time consuming or not available.</div>
</front>
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<name sortKey="Hill, C J" sort="Hill, C J" uniqKey="Hill C" first="C J" last="Hill">C J Hill</name>
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Serveur d'exploration sur le lymphœdème

Hand volume estimates based on a geometric algorithm in comparison to water displacement.

Hand volume estimates based on a geometric algorithm in comparison to water displacement.

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

Pour générer des pages wiki

	Serveur d'exploration sur le lymphœdème
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