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Doctoral Thesis
DOI
https://doi.org/10.11606/T.5.2013.tde-26052014-103540
Document
Author
Full name
Fabio Jorge Renovato França
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2013
Supervisor
Committee
Marques, Amelia Pasqual (President)
Cabral, Cristina Maria Nunes
Vilibor, Renata Hydee Hasue
Bachur, José Alexandre
Ferreira, Elizabeth Alves Gonçalves
Title in Portuguese
Estabilização segmentar lombar e TENS na hérnia discal lombar: um ensaio clínico randomizado
Keywords in Portuguese
Deslocamento do disco intervertebral
Dor lombar/reabilitação
Ensaio clínico
Estabilização
Estimulação elétrica nervosa transcutânea
Modalidades de fisioterapia
Terapia por exercício
Abstract in Portuguese
INTRODUÇÃO: A hérnia de disco lombar (HDL) acomete cerca de 5% dos pacientes com de dor lombar e o tratamento cirúrgico nestes casos é cada vez menos indicado, optando-se, na maior parte dos casos, pelo conservador. Embora o método estabilização lombar (EL) e a estimulação elétrica nervosa transcutânea (TENS) tenham mostrado bons resultados em indivíduos portadores de dor lombar inespecífica, há escassa literatura que tenha verificado a eficácia destes tratamentos isoladamente em sujeitos acometidos por hérnia de disco lombar. OBJETIVO: Comparar a eficácia dos exercícios de estabilização lombar e da TENS na dor, incapacidade funcional, e capacidade de ativação do músculo transverso do abdome (TrA) de indivíduos com hérnia de disco lombar. METODOLOGIA: Participaram da pesquisa 40 indivíduos com idade variando de 25 a 58 anos com dor lombar e hérnia de disco, e foram randomizados em dois grupos: Grupo estabilização lombar (EL) (exercícios específicos para os músculos TrA e multífido lombar(ML)) (n=20) e Grupo TENS (GT) (n=20) que receberam atendimento com corrente de estimulação elétrica nervosa transcutânea. Foram avaliados quanto à dor (Escala Visual Analógica e Questionário McGill de Dor), incapacidade funcional (Índice de Incapacidade de Oswestry), e capacidade de recrutamento do TrA (Unidade de Biofeedback Pressórico-UBP). Os grupos foram tratados em duas sessões semanais com duração de 60 minutos por oito semanas. Cada indivíduo foi avaliado antes e após o tratamento. O nível de significância estabelecido foi de alfa=0,05. RESULTADOS: Após oito semanas, o grupo estabilização lombar mostrou melhora significativa na dor (p < 0,001), incapacidade funcional (p < 0,001), e capacidade de ativação do TrA (p < 0,001). O grupo TENS apresentou diferença estatisticamente significante apenas na dor (p < 0,012). A estabilização foi superior à TENS na melhora na dor (p < 0,001), incapacidade funcional (p < 0,001), e capacidade de ativação do TrA (p < 0,001). CONCLUSÃO: Os resultados indicam que a estabilização é efetiva na melhora da dor, incapacidade funcional, e capacidade da ativação do TrA, e a TENS apenas na dor. A estabilização foi superior à TENS em todas as variáveis
Title in English
Lumbar segmental stabilization and TENS in lumbar disc herniation: a randomized controlled trial
Keywords in English
Clinical trial
Exercise therapy
Intervertebral disc displacement
Low back pain/rehabilitation
Physical therapy modalities
Stabilization
Transcutaneous electric nerve stimulation
Abstract in English
INTRODUCTION: Lumbar disc herniation (LDH) affects about 5% of low back pain (LBP) patients. Surgical treatment in these cases is increasingly less suitable, opting, in most cases, for the conservative. Although lumbar stabilization method and transcutaneous electric nerve stimulation (TENS) have shown good results in patients with nonspecific low back pain, there is scarce literature that has verified the effectiveness of these treatments alone in subjects suffering from lumbar disc herniation.OBJECTIVE: To compare the effectiveness of lumbar stabilization exercises and transcutaneous electrical nerve stimulation (TENS), on pain, functional disability and activation of the transversus abdominis muscle (TrA), in individuals with lumbar disc herniation (LDH). METHODS: This study involved 40 patients (age range 25-58 years) with lumbar disc herniation randomized into two groups: Stabilization group (SG: n=20); which received of stabilization exercises (transversus abdominis and lumbar multifidus muscles) and TENS group (TG: n=20), which received electrotherapy. The following instruments were used: visual analogue pain scale and McGill Pain Questionnaire for pain, Oswestry Disability Index for functional disability, and pressure biofeedback unit (PBU) for ability to contract the TrA. Analyses within and between groups were performed after treatment. Groups underwent 16 sessions, for 60 minutes, twice a week and they were evaluated before and after eight weeks. Significance level was set at alfa= 0.05. RESULTS: After eight weeks, lumbar stabilization group showed significant improvements in pain (p < 0.001), functional disability (p < 0.001), and the ability to contract the TrA (p < 0.001). There were no significant differences in TENS group in terms of disability (p < 0.264) or ability to contract the TrA muscle (p < 0.181), however, improvement in pain was demonstrated (p < 0.012). The stabilization was superior to TENS in terms of improvements in pain (p < 0.001), functional disability (p < 0.001), and ability to contract the TrA (p < 0.001). CONCLUSION: The results indicate that stabilization is effective in improving pain, functional disability, and the ability to contract the TrA in individuals with LDH. In the TENS group, the only improvement after treatment was in terms of pain. Stabilization was superior to TENS in all outcomes
 
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Publishing Date
2014-05-26
 
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