title: [Open high tibial osteotomy through small incision with annular external fixator for treating genu varum deformity].
abstract: OBJECTIVE
  To evaluate the outcomes of open high tibial osteotomy through small incision with annular external fixator for treating genu varum deformity.
  
  
  METHODS
  We reviewed 8 cases of open high proximal tibia osteotomy through small incision with annular external fixator for patients (10 knees) with genu varum due to high tibia varum. The patients were followed up 1, 2, 3, 6, 12, 24 and 36 months after the operations. Data about infection, healing, varus angle, knee distance and Insall-Salvati index were retrieved and analysed.
  
  
  RESULTS
  The patients had a mean varus angle of 15. 3 degrees +/- 2. 3 degrees (range, 10 degrees - 28 degrees) before the operations. The operations were all recorded as successful following a (29. 3 +/- 3. 1) month (range, 24-36 months) post-operation follow-up, with external fixator remaining stable and no instrument failures. The bones were healed at an average of (11. 2 +/- 1. 5) weeks (range, 8-12 weeks) and there was no nonunion or delayed union. The operations reduced varus angle of the knees to - 1. 1 degrees +/- 0. 6 degrees (range, - 7 degrees - 3 degrees ), indicating a significant improvement compared to that of the preoperations. There were 2 cases of superficial pin infections.
  
  
  CONCLUSIONS
  Open high tibial osteotomy through small incision with annular external fixator has good fixation stability and satisfactory clinical outcomes with little complications for treating patients with genu varum deformity.
authors: Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China.
authors: Wei-Nan
authors: WN
authors: Zeng
authors: Jun-Hui
authors: JH
authors: He
authors: Zong-Ke
authors: ZK
authors: Zhou
authors: Bin
authors: B
authors: Shen
authors: Jing
authors: J
authors: Yang
authors: Peng-De
authors: PD
authors: Kang
authors: Fu-Xing
authors: FX
authors: Pei
mesh_terms: D000328:Adult; D016267:External Fixators; D005260:Female; D005500:Follow-Up Studies; D056305:Genu Varum / Q000601:surgery*; D006801:Humans; D008297:Male; D019637:Orthopedic Procedures / Q000379:methods*; D010027:Osteotomy / Q000379:methods*; D013977:Tibia / Q000601:surgery*; D016896:Treatment Outcome; D055815:Young Adult