title: Acute correction using focal dome osteotomy for deformity about knee joint.
abstract: BACKGROUND
  Correction of deformities about knee joint may prevent or delay the onset of osteoarthritis or mitigate its effects. Accurate correction of such deformities without production of secondary deformities depends on precise localization and quantification of the deformities.
  
  
  METHODS
  We corrected deformities around the knee using acute correction with focal dome osteotomy in 21 segments (15 patients). Five segments underwent limb lengthening postoperatively.
  
  
  RESULTS
  The mean correction angle was 16.0 degrees . We were able to correct all segments. In the five lengthening cases, the mean external fixation index (EFI) was 70.9 days/cm, which is much higher than the generally reported EFI. There were eight complications, all but one of which occurred in lengthening cases.
  
  
  CONCLUSIONS
  We believe that acute correction with focal dome osteotomy is very useful for cases of alignment correction, but is not indicated for cases of alignment correction with lengthening, due to a high risk of complications related to poor callus formation.
authors.affiliation: Department of Orthopaedic Surgery, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, 920-8641 Kanazawa, Japan.
authors.forename: Koji
authors.initials: K
authors.lastname: Watanabe
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Tsuchiya
authors.forename: Keisuke
authors.initials: K
authors.lastname: Sakurakichi
authors.forename: Hidenori
authors.initials: H
authors.lastname: Matsubara
authors.forename: Katsuro
authors.initials: K
authors.lastname: Tomita
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001852:Bone Lengthening / Q000379:methods; D017760:Bone Malalignment / Q000601:surgery; D002648:Child; D015331:Cohort Studies; D000013:Congenital Abnormalities / Q000000981:diagnostic imaging / Q000601:surgery*; D016267:External Fixators; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D018889:Ilizarov Technique; D016916:Joint Deformities, Acquired / Q000000981:diagnostic imaging / Q000601:surgery*; D007719:Knee Joint / Q000002:abnormalities*; D008297:Male; D008875:Middle Aged; D010027:Osteotomy / Q000295:instrumentation / Q000379:methods*; D011859:Radiography; D016059:Range of Motion, Articular / Q000502:physiology; D020127:Recovery of Function; D012189:Retrospective Studies; D018570:Risk Assessment; D016896:Treatment Outcome; D055815:Young Adult