Serveur d'exploration sur le lymphœdème

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Changes in tissue water and indentation resistance of lymphedematous limbs accompanying low level laser therapy (LLLT) of fibrotic skin.

Identifieur interne : 005016 ( Main/Exploration ); précédent : 005015; suivant : 005017

Changes in tissue water and indentation resistance of lymphedematous limbs accompanying low level laser therapy (LLLT) of fibrotic skin.

Auteurs : H N Mayrovitz [États-Unis] ; S. Davey

Source :

RBID : pubmed:22458118

Descripteurs français

English descriptors

Abstract

Our goal was to determine effects of low-level-laser-therapy (LLLT) on skin water and tissue indentation resistance (TIR) in patients with arm (N = 38) or leg (N = 38) lymphedema. Skin water was determined from tissue dielectric constant (TDC) measurements and TIR determined from measurements of force resulting from tissue indentations of 3-4 mm. A limb-location with fibrosis was identified by palpation and treated with an LLLT device for one minute at each of five points within a 3 cm2 area. TDC and TIR at these sites and corresponding sites on the contralateral limb were measured prior to LLLT (pre-LLLT), immediately after LLLT (post-LLLT) and after a manual lymphatic drainage (MLD) session (post-MLD). Results, from arms and legs, showed that post-LLLT values of TIR and TDC were significantly less than pre-LLLT. TIR values remained significantly reduced at post-MLD whereas TDC values were not significantly different from pre-LLLT values. On follow-up visit, 17 previously LLLT treated legs were sham treated with an inactive LLLT unit and measurements replicated. A TIR and TDC change-pattern similar to that obtained with the active LLLT was obtained, but sham-related reductions in TIR and TDC immediately post sham-treatment were significantly less than achieved with the prior active LLLT treatment.

PubMed: 22458118


Affiliations:


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Le document en format XML

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<term>Extremities</term>
<term>Female</term>
<term>Fibrosis</term>
<term>Galvanic Skin Response</term>
<term>Humans</term>
<term>Low-Level Light Therapy</term>
<term>Lymphedema (metabolism)</term>
<term>Lymphedema (radiotherapy)</term>
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<term>Fibrose</term>
<term>Humains</term>
<term>Lymphoedème (métabolisme)</term>
<term>Lymphoedème (radiothérapie)</term>
<term>Membres</term>
<term>Mâle</term>
<term>Peau (anatomopathologie)</term>
<term>Peau (métabolisme)</term>
<term>Photothérapie de faible intensité</term>
<term>Réflexe psychogalvanique</term>
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<div type="abstract" xml:lang="en">Our goal was to determine effects of low-level-laser-therapy (LLLT) on skin water and tissue indentation resistance (TIR) in patients with arm (N = 38) or leg (N = 38) lymphedema. Skin water was determined from tissue dielectric constant (TDC) measurements and TIR determined from measurements of force resulting from tissue indentations of 3-4 mm. A limb-location with fibrosis was identified by palpation and treated with an LLLT device for one minute at each of five points within a 3 cm2 area. TDC and TIR at these sites and corresponding sites on the contralateral limb were measured prior to LLLT (pre-LLLT), immediately after LLLT (post-LLLT) and after a manual lymphatic drainage (MLD) session (post-MLD). Results, from arms and legs, showed that post-LLLT values of TIR and TDC were significantly less than pre-LLLT. TIR values remained significantly reduced at post-MLD whereas TDC values were not significantly different from pre-LLLT values. On follow-up visit, 17 previously LLLT treated legs were sham treated with an inactive LLLT unit and measurements replicated. A TIR and TDC change-pattern similar to that obtained with the active LLLT was obtained, but sham-related reductions in TIR and TDC immediately post sham-treatment were significantly less than achieved with the prior active LLLT treatment.</div>
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