Researching the Useful of Barb Suture in Obese Patients Undergoing Posterior Cervical Surgery

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. * Preoperative routine tests and examinations showed no contraindications. * BMI≥28 * 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: * A history of wasting diseases associated with malignancy and chemoradiotherapy that may interfere with wound healing * History of dermatosis * History of immune system diseases * History of blood diseases * Skin injury or defect at the back of the neck * Severe hypersensitivity * Cold, fever, trauma or other infections in the week before surgery * Infectious disease * Psychosis could not cooperate with follow-up