Immediate analgesic effect of transcutaneous electrical nerve stimulation (TENS) and interferential current (IFC) on chronic low back pain: Randomised placebo-controlled trial |
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| Institution: | 1. Physical Therapy at the Federal University of Paraná (UFPR), Brazil;2. Department of Prevention and Rehabilitation in Physical Therapy at UFPR, Brazil;3. The Physical Education Postgraduate Program at UFPR, Brazil;1. Federal University of Triangulo Mineiro, Uberaba, MG, Brazil;2. Department of Applied Physiotherapy, Federal University of Triangulo Mineiro, Uberaba, MG, Brazil;1. Rehabilitation Sciences Post-Graduation Program, Augusto Motta University Centre (UNISUAM), Rio de Janeiro, Brazil;2. Department of Medical Imaging, Allergology and Physiotherapy, Faculty of Dental Medicine, Medical University of Plovdiv, Bulgaria;3. Department of Kinesiotherapy, Faculty of Public Health, Medical University of Sofia, Bulgaria;4. Department of Physical Therapy, School of Medicine, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil;5. Postgraduate Program in Medical Sciences, School of Medical Sciences, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil;1. Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;2. Programa de Pós-Graduação em Ciências Médicas, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ Brazil;3. Programa de Pós-Graduação em Fisiopatologia Clínica e Experimental, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;4. Mestrado Profissional em Saúde, Medicina Laboratorial e Tecnologia Forense, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;5. Faculdade Bezerra de Araújo, Rio de Janeiro, RJ, Brazil;6. Departamento de Estatística, Instituto de Matemática e Estatística, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil;7. Programa de Epidemiologia Clínica, Instituto Nacional de Câncer (INCA), Brazil;8. Departamento de Reumatologia do Hospital Universitário Pedro Ernesto, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;1. Department of Physical Therapy, Recanati School for Community Health Professions, Faculty of Health Sciences at Ben-Gurion University of the Negev, P.O.B. 653 Beer-Sheva, 84105, Israel;2. Zeide School of Nursing, Bnai-Zion Medical Center, Haifa, Israel;1. Postgraduate Program in Rehabilitation Sciences, Faculty of Health Sciences of Trairi. Federal University of Rio Grande do Norte, Santa Cruz, RN, Brazil;2. Department of Physical Therapy, Federal University of Rio Grande do Norte, Lagoa Nova, S/N, Natal, RN, Brazil;3. Tendon Research Group–Brazil, Department of Physical Therapy, Federal University of Ceará, Fortaleza, CE, Brazil;4. Postgraduate Program in Physical Therapy and Functionality, Federal University of Ceará, Fortaleza, CE, Brazil |
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| Abstract: | ObjectiveTo compare the immediate analgesic effect of transcutaneous nerve stimulation (TENS) and interferential current (IFC), with different combinations of parameters, in individuals with chronic low back pain (CLBP).Methodology280 individuals with CLBP were included in the study, both genders, randomized in 8 groups: GI2KHz/100Hz, GI2KHz/2Hz, GI4KHz/100Hz, GI4KHz/2Hz, placebo interferential group (GIP), GT100Hz, GT2Hz, and placebo TENS group (GTP). All individuals underwent a single application of TENS or IFC for 30min. The assessments were carried out prior to the intervention, as well as immediately after, with the following outcomes: pain intensity (Numeric Pain Rating Scale-NPRS), qualitative pain characteristics (McGill Pain Questionnaire-MPQ), and pressure pain threshold (PPT) by pressure algometry (PA) in 4 points of the low back region.ResultsIn the intergroup comparison of NPRS, all intervention groups showed greater pain reduction compared to GTP (p < 0.05). In the total MPQ score, the groups that obtained significant results (p < 0.05) when compared to GTP were GT100Hz and GT2Hz, while the groups GT100Hz and GI4KHz/100Hz were significant when compared to GIP. In the PA, GI4KHz/100Hz showed an increase in the PPT in all points compared to GTP and GI2KHz/100Hz.ConclusionBoth TENS and IFC presented immediate analgesic effect in CLBP, with emphasis on the interferential current of 4 KHz modulated at 100Hz. |
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| Keywords: | Chronic pain Low back pain Analgesia Electrical stimulation therapy |
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