The main objective of this study is to review and summarize recent findings on electroencephalographic patterns in individuals with chronic pain. We also discuss recent advances in the use of quantitative Electroencephalography (qEEG) for the assessment of pathophysiology and biopsychosocial factors involved in its maintenance over time. Data collection took place from February 2014 to July 2015 in PubMed, SciELO and PEDro databases. Data from cross-sectional studies and longitudinal studies, as well as clinical trials involving chronic pain participants were incorporated into the final analysis. Our primary findings related to chronic pain were an increase of theta and alpha EEG power at rest, and a decrease in the amplitude of evoked potentials after sensory stimulation and cognitive tasks. This review suggests that qEEG could be considered as a simple and objective tool for the study of brain mechanisms involved in chronic pain, as well as for identifying the specific characteristics of chronic pain condition. In addition, results show that qEEG probably is a relevant outcome measure for assessing changes in therapeutic studies.
Introdução: A mobilização neurodinâmicaé indicada em uma série de condições que afetam o nervo periférico, mas pouco se conhece sobre seus efeitos regenerativos.Objetivos: Descrever como a mobilização neurodinâmica pode interferir nas propriedades fisiológicas e mecânicas do nervo.Métodos: Esta revisão narrativa incluiu artigos registrados entre 1973 e 2012 no PubMed, escritos na língua Portuguesa e Inglesa e livros envolvendo estes tópicos. Discussão e Conclusão: Após uma lesão nervosa periférica uma série de eventos podem influenciar a regeneração, incluindo transporte axonal e movimento de fluidos, a carga mecânica aplicada no tecido neural e no tipo de lesão. Estes aspectos podem ser influenciados pela mobilização neurodinâmica. A dose, incluindo a magnitude da carga, velocidade e tempo são fatores que devem ser modulados para uma resposta ótima, enquanto a tensão, imobilidade ou hipomobilidade, podem ter efeitos negativos sobre a recuperação.
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