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Updated: Mar 23, 2026

Metacarpal Small Incision for Carpal Tunnel Syndrome
Published on: April 5, 2024
LOW-LEVEL LASER THERAPY AFTER CARPAL TUNNEL RELEASE.
Marcelo de Pinho Teixeira Alves1, Gabriel Costa Serrão de Araújo2
1Full Member of the Brazilian Association of Hand Surgery; Studying towards Master's Degree in Medical Sciences from Universidade Federal Fluminense; Physician of the Hand Surgery Outpatient Clinic of Hospital Universitário Antonio Pedro - Universidade Federal Fluminense - Niterói, RJ, Brazil.
Low-level laser therapy (LLLT) after carpal tunnel syndrome (CTS) surgery improved patient outcomes. Patients receiving LLLT experienced fewer postoperative complaints and better functional results compared to the placebo group.
Area of Science:
- Orthopedics
- Neurology
- Physical Medicine and Rehabilitation
Background:
- Carpal tunnel syndrome (CTS) is a common condition causing hand and wrist pain.
- Post-operative treatment aims to reduce symptoms and improve functional recovery.
- Low-level laser therapy (LLLT) is explored as an adjuvant therapy for post-surgical management.
Purpose of the Study:
- To evaluate the efficacy of LLLT as a post-operative treatment for CTS.
- To compare functional outcomes and symptom reduction in patients receiving LLLT versus placebo.
Main Methods:
- A prospective study involving 58 patients with CTS, randomly assigned to LLLT or placebo groups.
- LLLT administered using an 830 nm gallium-aluminum-arsenic laser at 30 mW power.
- Patients were evaluated post-treatment, with electromyographic abnormalities assessed at six months.
Main Results:
- Fewer patients in the LLLT group reported postoperative complaints compared to the placebo group.
- Electromyographic abnormalities were significantly lower in the LLLT group (29.41%) versus the placebo group (63.64%) at six months.
- The LLLT group demonstrated better functional outcomes post-surgery.
Conclusions:
- Postoperative LLLT is an effective adjuvant therapy for CTS.
- LLLT offers significant benefits in reducing postoperative symptoms and improving functional recovery.
- The LLLT technique is safe and well-tolerated by patients undergoing CTS surgery.
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