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, 17 (1), 833

Low Level Laser Therapy (Photobiomodulation Therapy) for Breast Cancer-Related Lymphedema: A Systematic Review


Low Level Laser Therapy (Photobiomodulation Therapy) for Breast Cancer-Related Lymphedema: A Systematic Review

G David Baxter et al. BMC Cancer.


Background: Breast cancer related lymphedema (BCRL) is a prevalent complication secondary to cancer treatments which significantly impacts the physical and psychological health of breast cancer survivors. Previous research shows increasing use of low level laser therapy (LLLT), now commonly referred to as photobiomodulation (PBM) therapy, for BCRL. This systematic review evaluated the effectiveness of LLLT (PBM) in the management of BCRL.

Methods: Clinical trials were searched in PubMed, AMED, Web of Science, and China National Knowledge Infrastructure up to November 2016. Two reviewers independently assessed the methodological quality and adequacy of LLLT (PBM) in these clinical trials. Primary outcome measures were limb circumference/volume, and secondary outcomes included pain intensity and range of motion. Because data were clinically heterogeneous, best evidence synthesis was performed.

Results: Eleven clinical trials were identified, of which seven randomized controlled trials (RCTs) were chosen for analysis. Overall, the methodological quality of included RCTs was high, whereas the reporting of treatment parameters was poor. Results indicated that there is strong evidence (three high quality trials) showing LLLT (PBM) was more effective than sham treatment for limb circumference/volume reduction at a short-term follow-up. There is moderate evidence (one high quality trial) indicating that LLLT (PBM) was more effective than sham laser for short-term pain relief, and limited evidence (one low quality trial) that LLLT (PBM) was more effective than no treatment for decreasing limb swelling at short-term follow-up.

Conclusions: Based upon the current systematic review, LLLT (PBM) may be considered an effective treatment approach for women with BCRL. Due to the limited numbers of published trials available, there is a clear need for well-designed high-quality trials in this area. The optimal treatment parameters for clinical application have yet to be elucidated.

Keywords: Breast cancer related lymphedema; Low level laser therapy; Photobiomodulation; Systematic review.

Conflict of interest statement

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.


Fig. 1
Fig. 1
Examples of the technique of LLLT (PBM). a A device of LLLT (PBM). b Applying the LLLT (PBM) treatment head over a forearm region. Abbreviations: LLLT, low level laser therapy; PBM, photobiomodulation
Fig. 2
Fig. 2
Flow diagram of literature search

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