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Low Level Laser Therapy (LLLT) and World Association for Laser Therapy (WALT) Dosage Recommendations

Low Level Laser Therapy (LLLT) and World Association for Laser Therapy (WALT) Dosage Recommendations


Guest Editorial Low Level Laser Therapy (LLLT) and World Association for Laser Therapy (WALT) Dosage Recommendations Jan Magnus Bjordal, Ph.D. t is very encouraging that the annual scientific output now is exceeding 400 publications about laser phototherapy. This is a 20-fold increase from publication rates for low-level laser therapy (LLLT) a decade ago. Six years ago, another editorial in the journal announced that ‘‘low-level laser therapy’’ is not low, and a debate to change this MeSH term was initiated. At the time, we were worried that ’’low level’’ would be associated with inferior scientific quality.1. With the progress that has been made in terms of scientific output, and LLLT publications in high-ranked medical journals, this fear has somewhat ceased. Some guidelines and reputed treatment advisory boards (American Physical Therapy Association, National Cancer Institute, Clinical Evidence at BMJ) now recommend varying strengths of LLLT use for conditions such as Achilles tendinopathy, cancer-therapyinduced oral mucositis, and tennis elbow. Still, the most crucial factors for treatment effects are optimal dosing and hitting a sufficient part of the target pathology. In the Cochrane Database of Systematic Reviews, two of three LLLT reviews fail to address the issue of dosing. It is, however,
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