High-Frequency Electroacupuncture at Cervical Huatuo Jiaji Points Combined With Electromagnetic Field Therapy for Cervical Spondylotic Radiculopathy

Inclusion Criteria: * Written informed consent to participate in the study. * Male or female patients aged 30 years or older. * Inpatients or outpatients diagnosed with cervical spondylotic radiculopathy caused by cervical spondylosis at Ho Chi Minh City Hospital of Traditional Medicine. * Clinical diagnosis of cervical spondylotic radiculopathy, including: * Neck pain radiating to the shoulder and/or upper extremity. * Sensory disturbance and/or motor deficit and/or abnormal deep tendon reflexes consistent with the affected cervical nerve root. * At least one positive provocative test (Spurling test, cervical percussion/compression test, cervical distraction test, or shoulder abduction relief test). * Pain intensity of at least 3 on the Visual Analog Scale (VAS). * Clinical evidence of cervical spine syndrome. * Cervical spine X-ray demonstrating at least one degenerative finding (osteophytes, intervertebral disc space narrowing, or subchondral sclerosis). Exclusion Criteria: * Cervical radiculopathy caused by conditions other than cervical spondylosis. * Cervical myelopathy or other spinal cord disorders requiring surgical intervention. * Severe systemic illness, frailty, or medical conditions requiring intensive care, or suspected malignancy indicated by unexplained fever, unexplained weight loss, immunodeficiency, or cancer. * Contraindications to acupuncture, including skin infection or ulceration at the acupuncture site, allergy to acupuncture needles, severe needle phobia, or psychiatric disorders preventing cooperation. * Current treatment with strong analgesics (including paracetamol/codeine combinations, tramadol, or strong opioids) or other therapies that may interfere with study outcomes. * Implanted cardiac pacemakers or other implanted electronic medical devices (e.g., neurostimulators, implantable cardioverter-defibrillators, or insulin pumps). * Bleeding disorders or hematologic diseases affecting coagulation. * Benign or malignant tumors involving the treatment area or systemic malignancy. * Participation in another interventional clinical trial. * Inability to communicate effectively in Vietnamese. * Pregnant women or women with suspected pregnancy.