Bell's palsy / facial palsy
Laser therapy for Bell's palsy systematic review and meta-analysis
Lin HW, Chen HC, Lin LF, et al. Lasers in Medical Science. 2024.
A 2024 meta-analysis reported favorable effects of laser therapy on Bell's palsy severity, facial asymmetry, and function.
Evidence grade
low
Effect direction
positive
Panel relevance
not-panel-replicable
Key findings
- The review included 12 randomized studies with 597 patients; nine entered quantitative analysis.
- Laser therapy improved House-Brackmann severity, Sunnybrook facial grading, and facial disability outcomes versus control care.
- No adverse effects of laser therapy were reported.
Protocol details
| Wavelengths | Not reported nm |
|---|---|
| Irradiance | Not reported mW/cm2 |
| Fluence | Not reported J/cm2 |
| Session time | Not reported minutes |
| Frequency | Clinical facial palsy protocol-specific |
| Duration | Varied by trial |
| Treatment area | Facial nerve/muscle targets |
| Device type | Laser therapy / photobiomodulation |
Caveats
- Bell's palsy should be medically evaluated promptly.
- This is clinician-targeted laser therapy, not general face-panel use.