title: Pure percutaneous pedicle screw fixation without arthrodesis of 32 thoraco-lumbar fractures: clinical and radiological outcome with 36-month follow-up.
abstract: OBJECTIVE
  To evaluate the outcome of pure percutaneous fixation of unstable single level fractures at the thoraco-lumbar junction (A1 to B2 Magerl/AO Spine).
  
  
  METHODS
  Neurological intact patients were included in a 2-year prospective study (follow-up 36 months). Two groups were considered: the group in which additional short bilateral screws in the fractured vertebra were placed was called lordorizing screw group (LSG), the other was called non lordorizing screw group (nLSG). Clinical outcome was evaluated using the SF-36, the Oswestry disability index and the recovery time needed to go back work. The following radiological parameters were also evaluated on the follow-up exams: the Mid-Sagittal Index, the Cobb's angle and the Sagittal Index.
  
  
  RESULTS
  In the LSG, the correction values of MSI, Cobb's angle and SI were statistically significantly higher than in nLSG.
  
  
  CONCLUSIONS
  When feasible we recommend a pure percutaneous short segment pedicle screw fixation adding a lordorizing screw.
authors.forename: Marco
authors.initials: M
authors.lastname: Cimatti
authors.forename: Stefano
authors.initials: S
authors.lastname: Forcato
authors.forename: Filippo
authors.initials: F
authors.lastname: Polli
authors.forename: Massimo
authors.initials: M
authors.lastname: Miscusi
authors.forename: Alessandro
authors.initials: A
authors.lastname: Frati
authors.forename: Antonino
authors.initials: A
authors.lastname: Raco
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005500:Follow-Up Studies; D005593:Fracture Fixation, Internal / Q000295:instrumentation* / Q000379:methods; D006801:Humans; D008159:Lumbar Vertebrae / Q000601:surgery*; D008875:Middle Aged; D019060:Minimally Invasive Surgical Procedures / Q000295:instrumentation / Q000379:methods; D065289:Pedicle Screws; D013904:Thoracic Vertebrae / Q000601:surgery*; D016896:Treatment Outcome; D055815:Young Adult