The goal of this clinical study is to find out whether different electronic acupuncture wave forms can effectively treat recovery-stage Bell's palsy in adults and evaluate their safety.
The main questions it aims to answer are:
* Can targeted electronic acupuncture wave forms improve facial nerve function in patients with Bell's palsy? * What is the optimal electronic acupuncture waveform for different degrees of facial nerve injury? * What adverse events may occur during electronic acupuncture treatment? Researchers will compare low-frequency continuous wave electronic acupuncture and intermittent wave electronic acupuncture to determine which waveform works better for recovery-stage Bell's palsy.
Participants will:
* Receive either low-frequency continuous wave electronic acupuncture or intermittent wave electronic acupuncture every other day for 4 weeks * Undergo surface sEMG and ENoG examinations at baseline, Week 2, and Week 4 * Complete facial function assessments and safety evaluations at each clinic visit
Meet the above Bell's palsy diagnostic criteria;
Age 18-65 years, either gender;
Disease course in recovery phase (21 days ≤ course ≤ 6 months) and not recovered (FNGS 2.0 score >4);
Voluntarily participate in this study and sign informed consent.
Facial trauma, skin lesions, or other diseases that may cause facial paralysis symptoms;
Diagnosed with Ramsay Hunt syndrome (herpes zoster oticus);
Bilateral facial paralysis;
Previous history of facial paralysis;
Parallel
electroacupuncture waveform
Procedure/SurgeryThe non-severe injury group was randomly divided into two subgroups: one treated with low-frequency continuous wave and the other with intermittent wave.The severe injury group was also randomly divided into two subgroups: one treated with low-frequency continuous wave and the other with intermittent wave.
FNGS2.0
FNGS 2.0 stands for Facial Nerve Grading System 2.0, with a total score range of 4 to 24; lower scores indicate better facial nerve function (4 = normal), while higher scores indicate more severe facial paralysis (24 = complete facial palsy).
Sunnybrook Facial Grading System,SBGS
1.SBGS：Score range: 0-100, with higher scores indicating better facial nerve function.
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