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Analgesic effects of a capacitive-resistive monopolar radiofrequency in patients with myofascial chronic neck pain: a pilot randomized controlled trial
Diego, Isabel Maria Alguacil; Fernández-Carnero, Josue; Val, Sofía Laguarta; Cano-de-la-Cuerda, Roberto; Calvo-Lobo, César; Piédrola, Rosa Martínez; Oliva, Laura Cristina Luna; Rueda, Francisco Molina.
  • Diego, Isabel Maria Alguacil; Rey Juan Carlos University. Department of Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine. Madrid. ES
  • Fernández-Carnero, Josue; Rey Juan Carlos University. Department of Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine. Madrid. ES
  • Val, Sofía Laguarta; Rey Juan Carlos University. Department of Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine. Madrid. ES
  • Cano-de-la-Cuerda, Roberto; Rey Juan Carlos University. Department of Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine. Madrid. ES
  • Calvo-Lobo, César; Universidad de León. Faculty of Health Sciences. Nursing and Physical Therapy Department. León. ES
  • Piédrola, Rosa Martínez; Rey Juan Carlos University. Department of Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine. Madrid. ES
  • Oliva, Laura Cristina Luna; Rey Juan Carlos University. Department of Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine. Madrid. ES
  • Rueda, Francisco Molina; Rey Juan Carlos University. Department of Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine. Madrid. ES
Rev. Assoc. Med. Bras. (1992) ; 65(2): 156-164, Feb. 2019. tab, graf
Article in English | LILACS | ID: biblio-990324
ABSTRACT
SUMMARY

BACKGROUND:

To date, there is a lack of prior studies on the use of capacitive resistive monopolar radiofrequency (RF) to treat neck pain. The objective of this study was to investigate the immediate effect of capacitive resistive monopolar radiofrequency (RF=448 kHz), in comparison with a placebo, on (1) reducing neck pain intensity at myofascial trigger points (MTrP), (2) decreasing neck disability and (3) improving cervical range of motion (CROM).

METHODS:

A randomized, double-blind, placebo-controlled trial (NCT02353195) was carried out. Patients with myofascial chronic neck pain (N=24) with active MTrP in one upper trapezius muscle were randomly divided into two groups a radio-frequency group, which received eight sessions of a monopolar capacitive resistive radio-frequency application over the upper trapezius muscle, and a placebo group (PG), which received eight sessions of placebo radio-frequency over the same muscle. Visual analog scale (VAS), CROM and Neck Disability Index (NDI) were evaluated after the first session and after the eight sessions.

RESULTS:

The Wilcoxon test for VAS showed statistically significant differences between baseline, immediately after the first session and after eight sessions (p<.001). No significant differences for PG were found. No differences were observed between groups. NDI improved in both groups after eight sessions, but no differences were found between groups (p<.05). ANOVA for time factor showed statistically significant changes in the right cervical rotation in both groups (F=4.112; p=.026) after eight sessions.

CONCLUSIONS:

Even though there were no differences between both groups, the monopolar capacitive, resistive RF could have a potential effect on pain intensity.
RESUMO
RESUMO ANTECEDENTES Até a data, há uma falta de estudos prévios para tratar a dor no pescoço por radiofrequência (RF) monopolar capacitiva resistiva. O objetivo deste estudo foi investigar o efeito imediato da radiofrequência monopolar capacitiva resistiva (RF = 448 kHz) versus placebo em (1) redução da intensidade da dor no pescoço em pontos de gatilho miofascial (MTrP), (2) diminuição da incapacidade do pescoço e (3) melhorando a amplitude de movimento cervical (Crom).

MÉTODOS:

Foi realizado um ensaio randomizado, duplo-cego, controlado por placebo (NCT02353195). Os pacientes com dor no pescoço crônica miofascial (N = 24) com MTrP ativo em um músculo trapézio superior foram divididos aleatoriamente em dois grupos um grupo de radiofrequência, que recebeu oito sessões com uma aplicação de radiofrequência resistiva capacitiva monopolar sobre o músculo trapézio superior, e um grupo de placebo (PG), que recebeu oito sessões de radiofrequência de placebo no mesmo músculo. A escala analógica visual (VAS), Crom e Índice de incapacidade do pescoço (NDI) foram avaliadas após a primeira sessão e após as oito sessões.

RESULTADOS:

O teste de Wilcoxon para VAS mostrou diferenças estatisticamente significativas entre a linha de base e imediatamente após a primeira sessão e após oito sessões (p < 0,001). Não foram encontradas diferenças significativas para PG. Não foram observadas diferenças entre os grupos. O NDI melhorou em ambos os grupos após oito sessões, mas não foram encontradas diferenças entre os grupos (p < 0,05). A Anova para o fator de tempo mostrou mudanças estatisticamente significativas na rotação direita cervical em ambos os grupos (F = 4,12; p = 0,26) após oito sessões.

CONCLUSÕES:

Apesar de não haver diferenças entre os dois grupos, o RF resistivo capacitivo monopolar pode ter um efeito potencial sobre a intensidade da dor.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Neck Pain / Chronic Pain / Pulsed Radiofrequency Treatment / Myofascial Pain Syndromes Type of study: Controlled clinical trial / Observational study Limits: Adolescent / Adult / Female / Humans / Male Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: Spain Institution/Affiliation country: Rey Juan Carlos University/ES / Universidad de León/ES

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Full text: Available Index: LILACS (Americas) Main subject: Neck Pain / Chronic Pain / Pulsed Radiofrequency Treatment / Myofascial Pain Syndromes Type of study: Controlled clinical trial / Observational study Limits: Adolescent / Adult / Female / Humans / Male Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: Spain Institution/Affiliation country: Rey Juan Carlos University/ES / Universidad de León/ES