[Application of "Zoning Method" foraminotomy in posterior cervical endoscopic surgery].

Objective: To explore the safety, effectiveness and consistency of "Zoning Method" foraminotomy in posterior cervical endoscopic surgery.

Methods: From March 2016 to October 2018, 21 patients with cervical spondylotic radiculopathy were enrolled. Endoscopic foraminotomy and nucleus pulposus enucleation were performed in the patients.

[Double-door laminoplasty combined with C dome decompression for the treatment of cervical spinal stenosis].

Objective: To investigate the clinical effect of double-door laminoplasty combined with C dome decompression in treatment of cervical spinal stenosis.

Methods: The clinical data of 28 patients with cervical spinal stenosis who underwent double-door laminoplasty combined with C dome decompression from June 2016 to June 2018 were retrospectively analyzed, including 17 males and 11 females, aged 39 to 74 years with an average of (61.0±6.

[Correlation analysis on plasma D-dimer level with deep venous thrombosis after spinal surgery].

Objective: To analyze the relation of plasma D-dimer levels and incidence of deep venous thrombosis after spinal surgery.

Methods: The clinical data of 63 patients underwent spinal surgery from October 2009 to October 2010 were retrospective analyzed. There were 40 males and 23 females with an average age of 48 years old(21 to 76) in operation.