title: Surgical management of multilevel cervical spinal stenosis and spinal cord injury complicated by cervical spine fracture.
abstract: BACKGROUND
  There are few reports regarding surgical management of multilevel cervical spinal stenosis with spinal cord injury. Our purpose is to evaluate the safety and feasibility of open-door expansive laminoplasty in combination with transpedicular screw fixation for the treatment of multilevel cervical spinal stenosis and spinal cord injury in the trauma population.
  
  
  METHODS
  This was a retrospective study of 21 patients who had multilevel cervical spinal stenosis and spinal cord injury with unstable fracture. An open-door expansive posterior laminoplasty combined with transpedicular screw fixation was performed under persistent intraoperative skull traction. Outcome measures included postoperative improvement in Japanese Orthopedic Association (JOA) score and incidence of complications.
  
  
  RESULTS
  The average operation time was 190 min, with an average blood loss of 437 ml. A total of 120 transpedicular screws were implanted into the cervical vertebrae between vertebral C3 and C7, including 20 into C3, 34 into C4, 36 into C5, 20 into C6, and 10 into C7. The mean preoperative JOA score was 3.67 ± 0.53. The patients were followed for an average of 17.5 months, and the average JOA score improved to 8.17 ± 1.59, significantly higher than the preoperative score (t = 1.798, P < 0.05), with an average improvement of 44.7 ± 11.7%. Postoperative complications in four patients included cerebrospinal fluid leakage, delayed wound healing, pulmonary infection, and urinary system infection. All four patients were responsive to antibiotic treatment; one died from respiratory failure 3 months postoperatively.
  
  
  CONCLUSIONS
  The open-door expansive laminoplasty combined with posterior transpedicular screw fixation is feasible for treating multilevel cervical spinal stenosis and spinal cord injury complicated by unstable fracture. Its advantages include minimum surgical trauma, less intraoperative blood loss, and satisfactory stable supportive effect for reduction of fracture.
authors.forename: Zhao-Wan
authors.initials: ZW
authors.lastname: Xu
authors.affiliation: Department of Spine Surgery, Weifang People's Hospital, Guangwen Road, Kuiwen District, Weifang 261041, Shandong, China. lundengxing@163.com.
authors.forename: Deng-Xing
authors.initials: DX
authors.lastname: Lun
mesh_terms: D000368:Aged; D001696:Biomechanical Phenomena; D016063:Blood Loss, Surgical; D001863:Bone Screws; D002574:Cervical Vertebrae / Q000293:injuries; D019299:Decompression, Surgical; D005240:Feasibility Studies; D005593:Fracture Fixation, Internal; D006801:Humans; D065406:Laminoplasty; D008875:Middle Aged; D011183:Postoperative Complications / Q000453:epidemiology; D011859:Radiography; D012189:Retrospective Studies; D013119:Spinal Cord Injuries / Q000150:complications* / Q000601:surgery*; D016103:Spinal Fractures / Q000150:complications*; D013130:Spinal Stenosis / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery*; D014143:Traction / Q000379:methods