LymphedemaV1, PubMed, Checkpoint, bibRecord, 002E21

The spatio-temporal strain response of oedematous and nonoedematous tissue to sustained compression in vivo.

Identifieur interne : 002E21 ( PubMed/Checkpoint ); précédent : 002E20; suivant : 002E22

The spatio-temporal strain response of oedematous and nonoedematous tissue to sustained compression in vivo.

Auteurs : Gear Id P. Berry [Royaume-Uni] ; Jeffrey C. Bamber ; Peter S. Mortimer ; Nigel L. Bush ; Naomi R. Miller ; Paul E. Barbone

Source :

Ultrasound in medicine & biology [ 0301-5629 ] ; 2008.

RBID : pubmed:18222033

Descripteurs français

KwdFr :
- Adulte d'âge moyen, Bras (anatomopathologie), Bras (imagerie diagnostique), Bras (physiopathologie), Contrainte mécanique, Femelle, Humains, Imagerie d'élasticité tissulaire (), Interprétation d'image assistée par ordinateur (), Lymphoedème (imagerie diagnostique), Lymphoedème (physiopathologie), Maladie chronique, Sujet âgé, Élasticité.
MESH :
- anatomopathologie : Bras.
- imagerie diagnostique : Bras, Lymphoedème.
- physiopathologie : Bras, Lymphoedème.
- Adulte d'âge moyen, Contrainte mécanique, Femelle, Humains, Imagerie d'élasticité tissulaire, Interprétation d'image assistée par ordinateur, Maladie chronique, Sujet âgé, Élasticité.

English descriptors

KwdEn :
- Aged, Arm (diagnostic imaging), Arm (pathology), Arm (physiopathology), Chronic Disease, Elasticity, Elasticity Imaging Techniques (methods), Female, Humans, Image Interpretation, Computer-Assisted (methods), Lymphedema (diagnostic imaging), Lymphedema (physiopathology), Middle Aged, Stress, Mechanical.
MESH :
- diagnostic imaging : Arm, Lymphedema.
- methods : Elasticity Imaging Techniques, Image Interpretation, Computer-Assisted.
- pathology : Arm.
- physiopathology : Arm, Lymphedema.
- Aged, Chronic Disease, Elasticity, Female, Humans, Middle Aged, Stress, Mechanical.

Abstract

Poroelastic theory predicts that compression-induced fluid flow through a medium reveals itself via the spatio-temporal behaviour of the strain field. Such strain behaviour has already been observed in simple poroelastic phantoms using generalised elastographic techniques (Berry et al. 2006a, 2006b). The aim of this current study was to investigate the extent to which these techniques could be applied in vivo to image and interpret the compression-induced time-dependent local strain response in soft tissue. Tissue on both arms of six patients presenting with unilateral lymphoedema was subjected to a sustained compression for up to 500 s, and the induced strain was imaged as a function of time. The strain was found to exhibit time-dependent spatially varying behaviour, which we interpret to be consistent with that of a heterogeneous poroelastic material. This occurred in both arms of all patients, although it was more easily seen in the ipsilateral (affected) arm than in the contralateral (apparently unaffected) arm in five out of the six patients. Further work would appear to be worthwhile to determine if poroelasticity imaging could be used in future both to diagnose lymphoedema and to explore the patho-physiology of the condition.

DOI: 10.1016/j.ultrasmedbio.2007.10.007
PubMed: 18222033

Affiliations:

Royaume-Uni

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pubmed:18222033

Le document en format XML

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<author><name sortKey="Berry, Gear Id P" sort="Berry, Gear Id P" uniqKey="Berry G" first="Gear Id P" last="Berry">Gear Id P. Berry</name>
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<term>Chronic Disease</term>
<term>Elasticity</term>
<term>Elasticity Imaging Techniques (methods)</term>
<term>Female</term>
<term>Humans</term>
<term>Image Interpretation, Computer-Assisted (methods)</term>
<term>Lymphedema (diagnostic imaging)</term>
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<term>Imagerie d'élasticité tissulaire ()</term>
<term>Interprétation d'image assistée par ordinateur ()</term>
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<term>Maladie chronique</term>
<term>Sujet âgé</term>
<term>Élasticité</term>
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<term>Femelle</term>
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<term>Imagerie d'élasticité tissulaire</term>
<term>Interprétation d'image assistée par ordinateur</term>
<term>Maladie chronique</term>
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<front><div type="abstract" xml:lang="en">Poroelastic theory predicts that compression-induced fluid flow through a medium reveals itself via the spatio-temporal behaviour of the strain field. Such strain behaviour has already been observed in simple poroelastic phantoms using generalised elastographic techniques (Berry et al. 2006a, 2006b). The aim of this current study was to investigate the extent to which these techniques could be applied in vivo to image and interpret the compression-induced time-dependent local strain response in soft tissue. Tissue on both arms of six patients presenting with unilateral lymphoedema was subjected to a sustained compression for up to 500 s, and the induced strain was imaged as a function of time. The strain was found to exhibit time-dependent spatially varying behaviour, which we interpret to be consistent with that of a heterogeneous poroelastic material. This occurred in both arms of all patients, although it was more easily seen in the ipsilateral (affected) arm than in the contralateral (apparently unaffected) arm in five out of the six patients. Further work would appear to be worthwhile to determine if poroelasticity imaging could be used in future both to diagnose lymphoedema and to explore the patho-physiology of the condition.</div>
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<Abstract><AbstractText>Poroelastic theory predicts that compression-induced fluid flow through a medium reveals itself via the spatio-temporal behaviour of the strain field. Such strain behaviour has already been observed in simple poroelastic phantoms using generalised elastographic techniques (Berry et al. 2006a, 2006b). The aim of this current study was to investigate the extent to which these techniques could be applied in vivo to image and interpret the compression-induced time-dependent local strain response in soft tissue. Tissue on both arms of six patients presenting with unilateral lymphoedema was subjected to a sustained compression for up to 500 s, and the induced strain was imaged as a function of time. The strain was found to exhibit time-dependent spatially varying behaviour, which we interpret to be consistent with that of a heterogeneous poroelastic material. This occurred in both arms of all patients, although it was more easily seen in the ipsilateral (affected) arm than in the contralateral (apparently unaffected) arm in five out of the six patients. Further work would appear to be worthwhile to determine if poroelasticity imaging could be used in future both to diagnose lymphoedema and to explore the patho-physiology of the condition.</AbstractText>
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The spatio-temporal strain response of oedematous and nonoedematous tissue to sustained compression in vivo.

The spatio-temporal strain response of oedematous and nonoedematous tissue to sustained compression in vivo.

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

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