Mohamed M. ElMeligie, Mahmoud M. Ismail, Yasmine S. Gomaa, Amr M. Yehia, Hend R. Sakr, Omnia M. ElGendy

Effect of High-intensity Laser Therapy on Carpal Tunnel Syndrome Patients: A Systematic Review and Meta-analysis

  • Rehabilitation
  • Physical Therapy, Sports Therapy and Rehabilitation

Abstract Objective To provide a strong foundation for the use of high-intensity laser therapy (HILT) in carpel tunnel syndrome (CTS,) we conducted a systematic review and meta-analysis to investigate the outcomes of short- and long-term follow-up studies. Design Systematic review and meta-analysis. Results Sample sizes of included studies ranged from 16 to 98 patients (total N = 308). Overall, a significant difference between the treatment and control groups were found across majority of the measures. Studies using a four-week follow-up period, however, only found significantly greater benefits for HILT in visual analogue scale (VAS) compared to placebo (p = 0.0191), Transcutaneous electrical nerve stimulation (TENS) (p = 0.0026), and low-intensity laser therapy-20 J/cm2 (p < 0.0002), and exercise (p < 0.0001). For improvement in VAS score over a long treatment period, HILT was also preferred over control group (p < 0.0071). Insufficient evidence exists to determine effect of HILT on nerve conduction examinations. The only statistically significant differences observed in examinations were in relation to sensory nerve action potential (p = 0.0083) and sensory nerve conduction velocity (SNCV) (p = 0.0468). Conclusion Moderate evidence exists regarding efficacy of HILT compared to placebo, HILT + wrist splint, and exercise in a short period of follow-up time but evidence on long-term follow-up is limited.

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