Photobiomodulation Clinical Evidence

Xie 2023 | Neck pain

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Xie YH, Liao MX, Lam FMH, Gu YM, Hewith A Fernando WC, Liao LR, Pang MYC. The effectiveness of high-intensity laser therapy in individuals with neck pain: a systematic review and meta-analysis. Physiotherapy. 2023 Dec;121:23-36.

Systematic review and meta-analysis including 8 RCTs (total 603 subjects) with moderate to high PEDRO scores for methodological quality. The included RCTs recruited participants diagnosed with cervical spondylosis, cervical disc herniation, chronic neck pain, cervical radicular syndrome, myofascial pain syndrome of the trapezius or cervical myofascial pain syndrome. The duration of treatment ranged from 2 to 6 weeks. Results • Compared with placebo, HILT was effective in improving pain intensity (moderate quality evidence), cervical flexion ( moderate quality evidence), extension (moderate quality evidence), right lateral flexion (low-quality evidence) ROM . • There was a trend of better outcome in functional activity after HILT (low quality evidence).

KEY MESSAGE HILT studies show moderate level evidence to support its use for treating neck pain to improve pain intensity and cervical range of movement.

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