Brazilian Journal of Pain
https://brjp.org.br/article/doi/10.5935/2595-0118.20180028
Brazilian Journal of Pain
Original Article

Topical anesthetic to release trigger points in painful myofascial syndrome. Pilot study

Anestésico tópico para liberação de pontos-gatilhos em síndrome dolorosa miofascial. Estudo piloto

Ana Paula de Oliveira Maciel; Matheus Henrique Lopes Dominguete; José Dias da Silva Neto

http://dx.doi.org/10.5935/2595-0118.20180028 BrJP, vol.1, n2, p.147-150, 2018
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Abstract

BACKGROUND AND OBJECTIVES: The myofascial syndrome is a painful regional disorder that is characterized by the presence of painful points that cause referred pain in other sites different from the one of origin, known as trigger points. The use of topical anesthetic associated with acupressure to release trigger points helps to alleviate pain during the myofascial release. The objective of this study was to calibrate instruments to evaluate the topical anesthetic action of lidocaine in active myofascial trigger points during the myofascial release procedure.

METHODS: Pilot, prospective study, tied with the Professional Master’s Degree in Health Applied Sciences of the University of Vale do Sapucaí, Pouso Alegre, MG, conducted with the purpose to evaluate the analgesic effect of lidocaine in concentrations of 2, 4 and 7% after 3, 5 and 10 minutes of the application in patients with painful myofascial syndrome.

RESULTS: The descriptive statistics analysis showed a painful response in all lidocaine concentrations related to the evaluated times, except for 7% of lidocaine 10 minutes after the application.

CONCLUSION: The myofascial release was more efficient using lidocaine at 7%, with a ten-minute interval for the anesthetic effect to start the physiotherapy intervention.

Keywords

Anesthetics, Local anesthesia, Lidocaine, Myofascial pain syndromes, Trigger points

Resumo

JUSTIFICATIVA E OBJETIVOS: A síndrome miofascial é uma desordem dolorosa regional que se caracteriza pela presença de pontos dolorosos, que provocam dor referida em outros locais diferentes do de origem, conhecidos como pontos-gatilho. A utilização de anestésico tópico associado a digito-pressão na liberação de pontos-gatilho, tem a finalidade de aliviar a dor durante o procedimento de liberação miofascial. O objetivo deste estudo foi calibrar instrumentos para a avaliação da ação anestésica tópica de lidocaína em pontos-gatilhos miofasciais ativos, durante o procedimento de liberação miofascial.

MÉTODOS: Estudo piloto prospectivo, vinculado ao Mestrado Profissional em Ciências Aplicadas à Saúde da Universidade do Vale do Sapucaí, Pouso Alegre, MG, realizado com a finalidade de avaliar o efeito analgésico do uso de lidocaína em concentrações de 2, 4 e 7% após 3, 5 e 10 minutos da aplicação em pacientes com síndrome dolorosa miofascial.

RESULTADOS: A análise estatística descritiva demonstrou que houve resposta dolorosa em todas as concentrações da lidocaína relacionadas aos tempos avaliados, exceto para 7% de lidocaína após 10 minutos da aplicação.

CONCLUSÃO: A liberação miofascial foi mais eficiente utilizando a lidocaína a 7%, com intervalo de efeito do anestésico para realização da intervenção fisioterápica de 10 minutos.

Palavras-chave

Anestesia local, Anestésicos, Lidocaína, Pontos-gatilho, Síndromes da dor miofascial

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Submitted date:
03/29/2017

Accepted date:
03/23/2018

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