title: [Reconstruction of hip, knee, and ankle bony fused in non-functional position  of ankylosing spondylitis patients].
abstract: OBJECTIVE
  To evaluate the reconstruction of hip, knee and ankle joints with bony fusion at non-functional positions for patients with severe late-stage ankylosing spondylitis (AS).
  
  
  METHODS
  From January 1996 to May 1997, simultaneous ipsilateral total hip, knee and ankle replacement was performed under single anesthesia on 2 patients (3 sides) with multiple joint deformity including bony fusion at non-functional positions. They were followed for 29 months on average.
  
  
  RESULTS
  Satisfactory range of motion and function were observed. HSS knee score on average was improved by 45 points and Harris hip score by 37.7 points. There were no wound healing problems or late infection. No aseptic loosening was found.
  
  
  CONCLUSIONS
  Simultaneous ipsilateral total hip, knee and ankle replacement not only reduced cost for hospitalization, but also facilitated early rehabilitation. To our knowledge, this is the first report on this type of surgery, named ipsilateral tri-arthroplasty.
authors.affiliation: Arthritis Clinic and Research Centre, Peking University People's Hospital, Beijing 100044, China.
authors.forename: H
authors.initials: H
authors.lastname: Lu
authors.forename: Y
authors.initials: Y
authors.lastname: Yuan
authors.forename: B
authors.initials: B
authors.lastname: Kou
authors.forename: D
authors.initials: D
authors.lastname: Zhou
authors.forename: Z
authors.initials: Z
authors.lastname: Guan
mesh_terms: D000328:Adult; D000768:Anesthesia, General; D000842:Ankle / Q000601:surgery*; D000844:Ankylosis / Q000209:etiology / Q000601:surgery*; D019643:Arthroplasty, Replacement; D019644:Arthroplasty, Replacement, Hip; D019645:Arthroplasty, Replacement, Knee; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D016059:Range of Motion, Articular; D013167:Spondylitis, Ankylosing / Q000150:complications*