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Efficacy of low-level laser therapy associated to orthoses for patients with carpal tunnel syndrome: A randomized single-blinded controlled trial
Authors
Rafael Inácio Barbosa
Marisa De Cássia Registro Fonseca
+6 more
Rinaldo Roberto De Jesus Guirro
Joy Macdermid
Alexandre Marcio Marcolino
Nilton Mazzer
Eula Katucha Da Silva Rodrigues
Guilherme Tamanini
Publication date
10 August 2016
Publisher
Scholarship@Western
Abstract
© 2016 IOS Press and the authors. OBJECTIVE: Compare the efficacy of orthoses and patient education with and without the addition to Low-Level Laser Therapy (LLLT - 660 nm, 30 mW, a continuous regime and bean area of 0.06 cm 2). The laser irradiation was delivered with the fluency of 10J/cm 2 in patients with mild and moderate Carpal Tunnel Syndrome (CTS). METHODS: 48 patients were randomized and 30 finished the protocol (a sample loss of 37.5%), 90% female and 10% males. Randomization was applied to allocate the patients in each one of the groups, with association or not to LLLT (group orthoses or LLLT and orthoses). All of them were submitted to ergonomic home orientations. The short-term symptoms and function outcome were assessed through: Boston Carpal Tunnel Questionnaire (BCTQ) - Severity of Symptoms (SS) Functional Score (FS). Pain (VAS), Semmes-Weinstein monofilaments, 2PD and pinch strength was used for characterization of the sample. Most of the participants were women, over 4th decade enrolled on heavy hand duties occupations, right-handed, 66.7% affected on dominant hand, without alterations in sensory median nerve thresholds or pinch strength. RESULTS: Both groups showed a reduction of total BCTQ score and its subdomains after six weeks, with significant difference (p\u3c 0.05), comparing to baseline. No significant difference was found between groups. A Minimal clinical change was observed after the intervention in 92.3% of participants for BCTQ subdomain severity of symptoms at individual comparison for LLLT and orthoses group and 76.5% for the orthoses group, demonstrating clinical relevance. Effect size Cohen\u27s index was moderate for the severity of symptoms. CONCLUSION: LLLT in association to orthoses and ergonomic orientation seems to be effective in short-term symptoms relieve for patients with mild and moderate CTS
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Last time updated on 23/11/2020