title: Long-term outcome of slipped capital femoral epiphysis: a 38-year follow-up of 66 patients.
abstract: OBJECTIVE
  The purpose of this retrospective study was to evaluate the long-term outcome of different methods of treatment in slipped capital femoral epiphysis (SCFE), to find risk factors for poor outcome, and to assess whether prophylactic fixation is indicated.
  
  
  METHODS
  Sixty-six patients (76 hips) treated for SCFE with a mean follow-up of 38 years (range 21-57 years) were evaluated. All except seven patients had chronic SCFE. Ten patients (15%) had bilateral affection. Three methods of treatment had been used: screw fixation (35 hips), bone-peg epiphysiodesis (30 hips), and bone-peg epiphysiodesis combined with corrective femoral osteotomy (11 hips). The long-term clinical outcome was classified as good when the patient had not undergone total hip replacement (THR), when the Harris hip score (HHS) was 85 points or above, or the patient had no pain. Good radiographic outcome was defined as no THR or osteoarthritis (OA).
  
  
  RESULTS
  In 51 patients with chronic slip (mean slip angle 32°) treated with in situ fixation, the clinical outcome was good in 35 patients (69%) and there was no significant difference between screw fixation and bone-peg epiphysiodesis. Eight patients with large chronic slip (mean slip angle 53°) were treated with bone-peg epiphysiodesis and corrective femoral osteotomy, and the clinical outcome was poor in six patients. Seven patients with acute slip had larger mean slip angle (57°) and more complications than those with chronic slip, and the long-term outcome was poor in all. Two hips out of 42 (5%) had OA in the contralateral hip at follow-up.
  
  
  CONCLUSIONS
  In situ fixation of chronic SCFE gave satisfactory long-term outcome irrespective of the treatment method. Corrective femoral osteotomy did not improve the outcome in hips with large slip angles. Acute SCFE had poor outcome. Prophylactic fixation of the contralateral hip is barely necessary.
authors: Anders
authors: A
authors: Wensaas
authors: Svein
authors: S
authors: Svenningsen
authors: Terje
authors: T
authors: Terjesen
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