Clinical Research Directory

Inclusion Criteria: * Symptoms and signs of the patients were typical. MRI showed single or multiple central herniation of C3-C7 intervertebral discs or spinal stenosis at corresponding levels, which confirmed cervical myeloid cervical spondylosis or cervical spinal stenosis. * Conservative treatment for more than 3 months before surgery was ineffective. * The patients underwent cervical single open-door surgery. * Informed consent was obtained from the patient and his family, informed consent was signed, and a complete follow-up was completed after surgery Exclusion Criteria: * Cervical spondylotic radiculopathy. * Cervical kyphosis or instability. * Cervical spondylosis caused by trauma, tumor, tuberculosis and metabolic diseases. * Revision surgery or combined anterior-posterior surgery is required. * The patients had severe neurological diseases affecting the evaluation of postoperative results. * Psychopath. * MRI or CT for contraindications.