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Treatment of upper limb lymphedema with low-level laser: a systematic review

Introduction Low-level lasers have been suggested as a complement to lymphedema treatment. However, this therapy’s mechanism of action and its effects are poorly understood up to the present. Objective To conduct a systematic literature review to analyze the effects of low-level laser in the treatme...

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Published in:Fisioterapia em movimento 2014-12, Vol.27 (4), p.663-674
Main Authors: Monteiro, Silvia Elizate, Resende, Lilian Valim, Felicíssimo, Mônica Faria, Araújo, Angélica Rodrigues de, Vaz, Camila Teixeira
Format: Article
Language:English
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Summary:Introduction Low-level lasers have been suggested as a complement to lymphedema treatment. However, this therapy’s mechanism of action and its effects are poorly understood up to the present. Objective To conduct a systematic literature review to analyze the effects of low-level laser in the treatment of upper-limb lymphedema in women submitted to breast cancer surgery. Material and methods Randomized clinical trials were included, in Portuguese, English and Spanish, from January 1990 to July 2013. The article search was carried out in the Pubmed, Lilacs and PEDro electronic databases, with the following descriptors:Terapia a Laser de Baixa Intensidade, Linfedema, Câncer de Mama, Low-level laser therapy, Lymphedema, Breast Neoplasms and also through a manual search. Results and discussion Low-level lasers have been used for treating several acute and chronic conditions. However, its application for managing post breast cancer surgery is still recent, often based on empirical evidence. Treating upper-limb lymphedema with low-level laser presented positive results, with reduction in the circumference or volume of the affected limb. Conclusion More studies of high methodological quality are needed in order to better understand the mechanism of action of low-level laser on the lymphatic system and its effects on lymphedema treatement. Introdução O Laser de baixa potência vem sendo sugerido como uma forma complementar ao tratamento do linfedema. Entretanto, os mecanismos de ação dessa terapêutica bem como seus efeitos são pouco esclarecidos até o momento. Objetivo Realizar uma revisão sistemática da literatura, a fim de analisar os efeitos do laser de baixa potência no tratamento de linfedema de membro superior em mulheres submetidas à cirurgia do câncer de mama. Materiais e métodos Foram incluídos ensaios clínicos aleatorizados nos idiomas português, inglês e espanhol, de janeiro de 1990 a julho de 2013. A busca dos artigos foi realizada nas bases de dados eletrônicas Pubmed, Lilacs e PEDro, utilizando os seguintes descritores: Terapia a Laser de Baixa Intensidade, Linfedema, Câncer de Mama, Low-level laser therapy, Lymphedema, Breast Neoplasms e também por meio da busca manual. Resultados e discussão O Laser de baixa potência tem sido utilizado no tratamento de vários problemas agudos e crônicos. Porém, sua aplicação para o manejo do linfedema pós cirurgia de câncer de mama ainda é recente, sendo essa muitas vezes embasada em evidências empíricas. O tratament
ISSN:0103-5150
1980-5918
0103-5150
DOI:10.1590/0103-5150.027.004.AR01