title: [Reconstruction of posttraumatic bony defects of the lower extremity: callotaxis or free vascularized fibula graft?].
abstract: OBJECTIVE
  Several methods have been established for the treatment of bony defects of the lower extremity. The purpose of this paper is to evaluate the use of a free vascularized fibula graft for these defects in comparison to callotaxis and segmental transport.
  
  
  METHODS
  Retrospective analysis of data from 32 patients treated between 1981 and 1999 at the University Hospital in Zurich, Switzerland with bony defects of the lower extremity.
  
  
  RESULTS
  The reconstruction of the bony defect was successful in 80 % with fibula graft, in 94 % with callotaxis and in 83 % with segmental transport. In the group with the fibula transplantation 2.6 re-interventions due to complications had to be performed, in the callotaxis group there were 3.6 and in the segmental transport group 5.2 surgical re-interventions. The time between primary intervention and full weight bearing was 16 months in the fibula transplantation group, 7.6 months in the callotaxis group and 10.7 months in the segmental transport group.
  
  
  CONCLUSIONS
  The results show that these three options can be used for different indications. Reconstruction can be planned according to the following rules: Segmental bony defects of the entire circumference of up to 5 cm are best treated by initial shortening followed by callus distraction. Bony defects from 5 to 12 cm are best treated by segmental transport while maintaining limb length. Defects > 12 cm are best treated by reconstruction with a vascularized free fibula graft.
authors.affiliation: Klinik für Unfallchirurgie, Universitätsspital Zürich, Switzerland. andreas.platz@triemli.stzh.ch
authors.forename: A
authors.initials: A
authors.lastname: Platz
authors.forename: C M L
authors.initials: CM
authors.lastname: Werner
authors.forename: W
authors.initials: W
authors.lastname: Künzi
authors.forename: O
authors.initials: O
authors.lastname: Trentz
authors.forename: V E
authors.initials: VE
authors.lastname: Meyer
mesh_terms: D000063:Accidents, Traffic; D000293:Adolescent; D000328:Adult; D002146:Bony Callus / Q000601:surgery*; D016267:External Fixators; D005260:Female; D005360:Fibula / Q000637:transplantation*; D005593:Fracture Fixation, Internal / Q000379:methods; D006801:Humans; D007869:Leg Injuries / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D010027:Osteotomy; D013524:Surgical Flaps; D013978:Tibial Fractures / Q000601:surgery*