Effectiveness of low-level laser therapy in the rehabilitation of knee meniscus injuries: a randomized, double-blind, placebo-controlled trial.

In 30 seconds

This randomized, double-blind, placebo-controlled trial evaluated low-level laser therapy (LLLT) in 40 adults with MRI-confirmed unilateral meniscus injuries. The study found that LLLT, when combined with a standardized rehabilitation program, resulted in significantly greater reductions in pain and improvements in knee function compared to placebo, with p < 0.01 for all outcomes.

Key findings

• LLLT group showed greater reductions in pain intensity compared to the placebo group.
• Significant improvements in knee function were observed in the LLLT group.
• Both groups improved, but LLLT exceeded clinically meaningful thresholds for pain and function.
• Adjunctive LLLT was associated with enhanced mobility and range of motion.

Why it matters

The findings suggest that incorporating low-level laser therapy into rehabilitation programs for meniscus injuries may enhance pain relief and functional recovery, potentially improving patient outcomes in conservative management.