title: One-stage surgery by a combined anterior-posterior approach to treat ankylosing spondylitis complicated by a multiple-level cervical vertebral chance fracture.
abstract: OBJECTIVE
  This study aimed to investigate the outcomes after using a combination of anterior-posterior approaches to treat ankylosing spondylitis (AS) complicated by a multiple-level cervical vertebral Chance fracture.
  
  
  METHODS
  We retrospectively analyzed 11 patients with AS complicated by a multiple-level cervical vertebral Chance fracture.
  
  
  RESULTS
  After surgery, the average follow-up period was 25 months (24-27 months). No injury to the spinal cord, nerve roots, or vessels was caused by screw insertion during the operation. The incisions for all the patients healed by primary intention. These fractures generally required 4-6 months (average, 4.5 months) to heal, and there was no loosening, pullout or collapse of the bone graft, loosening or breaking of the internal fixators, nonunion, or other complications.
  
  
  CONCLUSIONS
  Therefore, management with a combination of anterior-posterior approaches is feasible for treating AS complicated by a multiple-level cervical vertebral Chance fractures.
authors: Department of Orthopedic Surgery, General Hospital of Shenyang Military Command , Shenyang , P. R. China.
authors: Liang-Bi
authors: LB
authors: Xiang
authors: Hai-Long
authors: HL
authors: Yu
authors: Jun
authors: J
authors: Liu
authors: Yu
authors: Y
authors: Chen
authors: Hui-Feng
authors: HF
authors: Yang
mesh_terms: D000328:Adult; D001863:Bone Screws; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging / Q000293:injuries / Q000601:surgery*; D005260:Female; D005593:Fracture Fixation, Internal / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012189:Retrospective Studies; D016103:Spinal Fractures / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D013123:Spinal Fusion / Q000379:methods*; D013167:Spondylitis, Ankylosing / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D016896:Treatment Outcome
keywords: Ankylosing spondylitis; Anterior-posterior approach; Chance fracture