title: Improved Monosegment Pedicle Instrumentation for Treatment of Thoracolumbar Incomplete Burst Fractures.
abstract: OBJECTIVE
  Comparing the clinical results of improved monosegment pedicle instrumentation (iMSPI) and short-segment pedicle instrumentation (SSPI) retrospectively.
  
  
  METHODS
  63 patients with thoracolumbar incomplete burst fracture were managed with iMSPI or SSPI. 30 patients were managed with iMSPI and fusion. 33 patients were managed with SSPI and fusion. Operative time, blood loss, postoperative drainage, and complications were recorded. Percentage of anterior body height compression (ABHC%) and sagittal index (SI) were obtained preoperatively, one week postoperatively, and at the last followup.
  
  
  RESULTS
  The blood loss and postoperative drainage were significantly less in the iMSPI group than in SSPI group (P < 0.05). The follow-up duration of the two groups was not significantly different (P > 0.05). At 12 months postoperatively posterolateral fusion was obtained satisfactorily. Neither preoperative ABHC% and SI nor postoperative SI were significantly different (P > 0.05), but there was a significant difference in postoperative ABHC% (P = 0.000). The ABHC% and SI were not significantly different between the two groups at the last followup (P > 0.05). There were no fixation failures or other complications.
  
  
  CONCLUSIONS
  IMSPI yielded satisfactory results similar to those of SSPI in patients with type A3.1/3.2 thoracolumbar fractures. IMSPI is recommended for minor trauma, reducing one-segment fusion, and maximization of the remaining motor function.
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China ; Department of Orthopedics, No. 13 People's Hospital of Chongqing, Chongqing 400053, China.
authors.forename: Liehua
authors.initials: L
authors.lastname: Liu
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Yibo
authors.initials: Y
authors.lastname: Gan
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Qiang
authors.initials: Q
authors.lastname: Zhou
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Haoming
authors.initials: H
authors.lastname: Wang
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Fei
authors.initials: F
authors.lastname: Dai
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Fei
authors.initials: F
authors.lastname: Luo
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Tianyong
authors.initials: T
authors.lastname: Hou
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Chengmin
authors.initials: C
authors.lastname: Zhang
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Chen
authors.initials: C
authors.lastname: Zhao
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Jinsong
authors.initials: J
authors.lastname: Zhang
authors.affiliation: Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
authors.forename: Jianzhong
authors.initials: J
authors.lastname: Xu
authors.affiliation: Department of Orthopedics, No. 13 People's Hospital of Chongqing, Chongqing 400053, China.
authors.forename: Yingwen
authors.initials: Y
authors.lastname: Lü
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005593:Fracture Fixation, Internal; D050723:Fractures, Bone / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D065289:Pedicle Screws; D016103:Spinal Fractures / Q000503:physiopathology / Q000628:therapy*; D013904:Thoracic Vertebrae / Q000503:physiopathology*