【論文摘要】The Therapeutic Effect of Low Level Laser Therapy on Trigger Points or Myofascial Pain Syndrome: A Systematic Review and Meta-Analysis

【論文摘要】低能量雷射治療對激痛點或肌筋膜疼痛症候群的治療效果－系統性回顧與統合分析

蘇敏傑(Min-Jie Su)

《物理治療》 47卷2期 (2022/06) Pp. 109-109

https://doi.org/10.6215/FJPT.202206.O04

摘要

Background and Purpose: The low level laser therapy (LLLT) has been reported as a treatment option for management of musculoskeletal pain such as trigger points and myofascial pain syndrome. The purpose of this study was to investigate the therapeutic effect of LLLT on trigger points or myofascial pain syndrome. Methods: Two databases (PubMed and ScienceDirect) were searched for articles published from 2001 to 2021 and articles were included if met the following criteria: (1) subjects were randomly assigned to one of treatment groups; (2) subjects with identified trigger points or myofascial pain syndrome; (3) the intervention group received LLLT alone or LLLT combined with other treatment which was the same as control group; (4) the control group received no treatment, sham treatment, or other treatment which was part of the intervention group; (5) outcome measures contained pain intensity (at rest or at movement) or pressure pain threshold (PPT) of trigger points. Results: A total of 8 studies were included and analyzed. Immediately after multiple sessions of treatment, there was significant improvement of both pain intensity (standardized mean difference [SMD] = -0.80, p ＜ 0.00001) and PPT (SMD = 0.72, p = 0.04) in the intervention group compared with the control group. Moreover, some time (1 week to 6 months) after the end of multiple sessions of treatment, there was significant improvement of both pain intensity (SMD = -0.90, p ＜ 0.00001) and PPT (SMD = 0.70, p = 0.048) in the intervention group compared with the control group. Conclusions: This meta-analysis indicated that there were both immediate and lasting effects of multiple sessions LLLT on significantly decreasing pain intensity and significantly increasing PPT. Clinical Relevance: This meta-analysis suggests that multiple sessions LLLT can decrease pain intensity and sensitivity of trigger points or myofascial pain syndrome.