Laserterapi

Laserterapi, or laser therapy, refers to the medical use of laser light to influence tissue repair, inflammation, and pain. It is typically non-invasive and employs low to moderate power levels in modalities such as low-level laser therapy (LLLT) or photobiomodulation. Common wavelengths span roughly 600 to 1100 nanometers, including red and near-infrared light. The proposed mechanism involves photons absorbed by cellular components, leading to increased mitochondrial activity, higher ATP production, modulation of reactive oxygen species, and altered inflammatory signaling, which may support healing and analgesia.

Clinically, laserterapi is applied by physiotherapists, dentists, wound-care specialists, and other healthcare providers. Indications include musculoskeletal pain and functional limitation (for example, tendinopathies and osteoarthritis), soft tissue injuries, wound healing and scar management, oral mucositis in cancer patients, and some neuropathic pain conditions. The therapy is usually delivered via handheld devices, with treatment parameters tailored to the condition, tissue depth, and patient factors.

Evidence and effectiveness vary by condition and parameter choices. Systematic reviews have reported mixed results: some studies show modest improvements in pain and function, while others find limited or no clinically meaningful benefit. Efficacy appears to depend on factors such as wavelength, energy dose, treatment frequency, and the chronicity of the condition. More high-quality trials are needed to establish optimal protocols and patient selection.

Safety and regulation: laserterapi is generally well tolerated when performed by trained personnel. Potential adverse effects are rare and largely device-related, including skin irritation or transient light sensitivity; eye protection is essential to prevent ocular injury. Regulatory status varies by country, with medical device classifications and indications differing across regions.