Arroyo-Fernández 2023 | General MSD
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Arroyo-Fernández R, Aceituno-Gómez J, Serrano-Muñoz D, Avendaño-Coy J. High-Intensity Laser Therapy for Musculoskeletal Disorders: A Systematic Review and Meta-Analysis of Randomized Clinical Trials. J Clin Med. 2023 Feb 13;12(4):1479.
Systematic review with Meta-analysis. • In total, 48 RCTs (total of 3107 participants) were included in the qualitative synthesis and 44 RCTs in the quantitative meta-analysis The main outcome measures were pain (VAS) and functionality. Secondary outcomes were range of motion (ROM), muscle strength, and quality of life of participants, as well as the safety of the treatment. Results • HILT showed a decrease on the pain VAS (mean difference (MD) = -1.3 cm) and an improvement in functionality (standardized mean difference (SMD) = -1.0), with low and moderate quality of evidence, respectively. • Best results for functionality improvement were obtained for knee and shoulder, and with dosages between 10 - 50 mJ/cm². • HILT was also effective for improving ROM and QoL, but not for muscle strength improvement. • HILT could be considered a safe technique due to the absence of adverse effects reported by the authors and the similar number of abandonments in the experimental and control groups. • An important limitation of this review is the large heterogeneity in the results of the assessed variables, which lowered the certainty of evidence.
KEY MESSAGE HILT is an effective treatment for improving pain, functionality, range of motion, and quality of life in people with MSD without side effects, although these findings must be treated with caution due to the high risk of bias in the studies.
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